Engineering Standard
29 December 2020
SAES-H-002 Internal and External Coatings for Steel Pipelines and Piping
Document Responsibility: Paints and Coatings Standards Committee
Previous Revision: 22 February 2018 Next Revision: 29 December 2025 Page 1 of 36 Contact: MANSMH0C
©Saudi Arabian Oil Company, 2020
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
Contents Summary of Changes … 3
1 Scope … 5
2 Conflicts and Deviations … 5
3 References … 5
4 Terminology … 7
5 Selection Requirements … 7
6 Description and Uses of Approved Protective Coating System (APCS) … 17
Document History … 18
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Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
Summary of Changes
Paragraph Number
Previous Revision (22 February 2018)
Current Revision (29 December 2020)
Change Type (Addition, Modification, Deletion)
Technical Change(s)
1.1
1.1
Modification
Clarified Scope of document.
3.1
3.1
Addition/Modification
Added other relevant Saudi Aramco standards, updated standards’ titles, and removed deleted standard.
3.2
3.2
Addition
Added other relevant Industry Codes and Standards.
4
5.1
5.2
4
Modification
Removed unnecessary definitions.
5.1
Modification
Clarified external coatings general requirements.
5.2
Modification
Clarified internal coatings general requirements.
None
5.2.13
Addition
Requirements for scarpping of coated pipes.
5.3
5.3
Modification
Clarified internal coating requirements for various services and added other applicable APCS’s for coating selection.
5.4
5.4
Modification
Clarified requirements for External Coatings for Onshore and Cross-Country Pipelines
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
Paragraph Number
Previous Revision (22 February 2018)
Current Revision (29 December 2020)
Change Type (Addition, Modification, Deletion)
Technical Change(s)
5.6
5.6
Modification
Clarified requirements for External Pipe Coatings, In-Plant.
6.6
6.6
Modification
Removed obsolete APCS and updated APCS tiles in the Index of all coating systems used in this document
APCS-102A and APCS-102C Specs.
APCS-102A and APCS-102C Specs.
Modification
Clarified service limitations.
APCS-102B Specs.
APCS-102B Specs.
Modification
Extend maximum service pressure limitation to 3250 psi. based on R&DC tests results.
APCS-104A, APCS-104B, APCS-104C, APCS-113A, APCS-113C, APCS-117, and APCS-120 Specs.
APCS-104A, APCS-104B, APCS-104C, APCS-113A, APCS-113C, APCS-117, and APCS-120 Specs.
APCS-2E and APCS-28 Specs. Not Included
APCS-2E and APCS-28 Specs. Included
Modification
Clarified requirements.
Addition
Added specs. of APCS-2E and APCS-28.
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
1
Scope
1.1
1.2
1.3
This standard defines the minimum mandatory requirements of the internal and external coating selection and application for carbon steel and stainless steel pipelines, and piping (including associated fittings and appurtenances). This standard is not applicable for galvanized, alloy, or nonmetallic pipes where allowed by other Saudi Aramco standards.
For projects reviews, all coating requirements, specifications, and selections shall be consolidated in Index H as per SAEP-303.
This standard shall be attached to, and made part of, purchase orders when required.
2
Conflicts and Deviations
Any conflicts between this document and other applicable Mandatory Saudi Aramco Engineering Requirements (MSAERs) shall be addressed to the EK&RD Coordinator.
Any deviation from the requirements herein shall follow internal company procedure SAEP-302.
3
References
The selection of material and equipment, and the design, construction, maintenance, and repair of equipment and facilities covered by this standard shall comply with the latest edition of the references listed below, unless otherwise noted.
3.1 Saudi Aramco References
Saudi Aramco Best Practice
SABP-H-004
Robotic Coating Application on Internal Girth Welds of Pipe Strings
Saudi Aramco Engineering Procedures
SAEP-302
SAEP-303 SAEP-316
SAEP-1200
Waiver of a Mandatory Saudi Aramco Engineering Requirement Engineering Reviews of Project Documentation Performance Qualification Requirements of Coating Personnel Qualification Procedures for Protective Coatings and Abrasive Blasting Materials
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
Saudi Aramco Engineering Standards
SAES-A-133 SAES-A-134 SAES-H-001
SAES-H-002V
SAES-H-004
SAES-H-101V
SAES-H-201
SAES-L-120 SAES-L-310 SAES-L-350 SAES-L-410 SAES-L-450
Internal Corrosion Protection Requirements External Corrosion Protection Requirements Coating Selection and Application Requirements for Industrial Plants and Equipment Approved Saudi Aramco Data Sheets for Pipeline and Piping Coatings Protective Coating Selection and Application Requirements for Offshore Structures and Facilities Approved Saudi Aramco Data Sheets - Paints and Coatings General Specifications for External and Internal Coatings of Pipeline Field Girth Welds Piping Flexibility Analysis Design of Plant Piping Construction of Plant Piping Design of Pipelines Construction of On-Land and Near-Shore Pipelines
Saudi Aramco Materials System Specifications
09-SAMSS-089
09-SAMSS-091
09-SAMSS-113
Qualification Requirements for Shop Applied External FBE Coatings Qualification Requirements for Shop Applied Internal FBE Coatings The Requirements of External Liquid Coatings for Buried Pipelines and Piping (APCS-113A)
3.2
Industry Codes and Standards
International Organization for Standardization
ISO 8501
Visual Assessment of Surface Cleanliness
National Association of Corrosion Engineers
NACE SP0490
Holiday Detection of Fusion-Bonded Epoxy External Pipeline Coating
SSPC - The Society for Protective Coatings
SSPC-PA 2
Procedure for Determining Conformance to Dry Coating Thickness Requirements
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
SSPC-SP 2 SSPC-SP 5 SSPC-SP 6 SSPC-SP 10
Hand Tool Cleaning White Metal Blast Cleaning Commercial Blast Cleaning Near-White Blast Cleaning
4
Terminology
Approved Procedure: Procedure referred to in this specification that has been approved by CSD/Paints and Coating Standards Committee. Approved procedures do not require re-approval in new purchase orders.
Approved Product: A coating material that meets the requirements of the applicable APCS or SAMSS and SAEP-1200. Only approved products are allowed for use in Saudi Aramco. These requirements apply to all standards under the SAES-H-series.
Buyer: Saudi Aramco Purchasing Department representative
Buyer’s Representative: The person or persons designated by the Purchasing Department to monitor / enforce the contract. Normally, this is the on-site inspector.
Custom Coated Pieces: All pipes not coated by automated in-plant equipment. Generally, fittings, short spools and fabricated spools.
Cut-back: The length of pipe left uncoated at each end for joining purposes.
Fitting: For purposes of this specification, “fitting” is used to refer to any custom coated piece including flanges, valves, and pumps.
Maintenance Coating/Painting: Application of coating to preserve the useful state of an existing coating. Repairing is the most common method to maintain a coating. Replacing completely an existing coating in the field is also maintenance coating.
Maximum Operating Pressure / Temperature: Maximum allowable pressure/temperature that can be reached during operation of pipeline.
New Construction Coating: Term to designate a coating that is applied over new and bare facilities, equipment or machineries.
Transition Section: Segment of pipeline or piping where the service changes from buried to atmospheric.
5
Selection Requirements
5.1 General Requirements for External Coatings
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
5.1.1 All buried onshore pipes shall be externally coated.
5.1.2 Pipes in all subsea services shall be externally coated as per
SAES-A-134.
5.1.3 Plant piping and other above grade pipelines in industrial or
marine exposure shall be externally coated as per SAES-A-134.
5.1.4 All onshore buried and subsea coated pipes shall be 100%
holiday free. All holidays, if any, shall be repaired prior to burial. If a pipe is bent, it shall be holiday tested again to determine any damage to the coating that might have occurred during bending. Holiday test shall be done in accordance with NACE SP0490.
5.1.5 All transition areas (from buried to above ground pipe sections, including camel and road crossings) shall be protected with the buried service coating and supplemented with an approved protective system such as APCS-113A or APCS-113C (with UV resistant outer wrap). This system shall start at least 1m. below ground and extend above ground as follows:
a) For sharp angles (46 to 90 degrees), the protective coating
shall extend at least 1 m. above ground.
b) For shallow angles (45 degrees or less), the protective
coating shall be extended at least 8 meters above ground. If a support on an existing pipe is encountered at a distance less than 8 meters along the pipe, and it cannot be removed, the protective coating shall be terminated at the support. In-active sand control, pipeline coating may stop at the first weld, provided that the pipe is 3-pipe diameter above the grade level where the plant coating will take over.
5.1.6 Hand-applied tapes of all types shall not be used except for the
PVC outer wrap of APCS-113C.
5.1.7
The APCS-113C can also be used over an existing buried service coating that is sound and has good adhesion on the steel substrate.
5.1.8 Ditch preparation and sand padding requirements for onshore buried pipe are given in SAES-L-350 and SAES-L-450.
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
5.1.9 Coated steel pipe encased in concrete shall have additional coating extending beyond the concrete to approximately 300 mm.
5.1.10 Bare cast iron pipe shall be externally coated prior to burial.
5.1.11 Buried stainless steel lines shall be externally coated with FBE,
halide-free liquid coating, APCS-113A, or viscoelastic coating APCS-113C depending on operating temperature.
5.1.12 Pipes to be thrust bored in sand/soft soil shall be coated with
APCS-104A, APCS-104B, or APCS-104C as first layer and APCS-113A as top layer for sandy, soft soil. For thrust-boring in hard, rocky soils, same APCS-104A, APCS-104B, or APCS- 104C shall be applied as first layer and over-coated with an approved abrasion resistant overlay (ARO) composite wrap system to protect the FBE coating. Thrust boring package with geotechnical investigation report shall be submitted to CSD- Nonmetallic Engineering Division for review and approval of the selected ARO composite wrap system.
5.1.13 Soil classifications for thrust-boring shall be in accordance with
Geotechnical Standards.
5.1.14 Coating systems listed in sections 5.3 through 5.6 below shall not be used under conditions that violate service limitations or other requirements given in the applicable APCS data sheets. Only approved products shall be used.
5.1.15 Pre-heating pipe prior to FBE coating application on the internal girth welds shall be done by heat induction coils only.
5.1.16 Onshore and offshore wellhead components shall be coated in
accordance to SAES-H-001 and SAES-H-004, respectively.
5.1.17 Casing for carrier pipes (welded or isolated from the carrier pipe)
shall be protected with FBE coating for maintenance and new construction. For open cut, APCS-113A can also be used.
5.1.18 External coating damages shall be repaired with approved repair
materials immediately after damages are observed and before burying or placing into service.
5.1.19 Coating applications based on this standard shall be done by
qualified personnel in accordance with SAEP-316.
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
5.2 General Requirements for Internal Coatings
5.2.1
Internal coating requirements shall be in accordance with SAES- A-133 when there is a potential problem with corrosion that could have an impact on the process such as for water, gas, condensate, and crude oil. When internal coating is required, the selection table given in Section 5.3 shall be used. Internal FBE coatings shall not be used in pipelines, pipes or fittings involving methanol injection.
5.2.2
Internal coatings used in potable water service must meet Food and Drugs Administration (FDA), National Sanitation Foundation (NSF) or equivalent requirements for suitability for use in contact with drinking water at temperatures as high as 65oC. The certificate shall be renewed every 5 years.
5.2.3 Application of phenolic primer prior to the application of FBE
shall be automated. A machine shall be used to ensure that the travel of application is constant and that the DFT will not exceed one mil (25 microns) in all areas. One mil is exceeded if the “peaks” of steel substrate are no longer visible.
5.2.4
For onshore application, the robotic crawler (consisting of blasting and coating equipment, dry film thickness gauge, holiday detector and online video camera per SABP-H-004) shall be used for internal field girth welds of pipe strings with diameters ranging from 8” to 36”. Real time inspection with a video camera must be conducted to ensure that blast cleaning and coating application are done properly. A copy of the video record must be provided to the proponent for documentation and future investigation. For pipe diameters larger than 36”, the coating application can be done manually by qualified contractors. The robotic crawler system service provider shall be approved by CSD/Coating Team.
5.2.5
The holiday detector for field girth weld coating shall be grounded properly on the launcher end of the pipe string with the aid of a clamp. If the pipe end is coated, the coating shall be removed to expose the metal and allow metal-to-metal contact. The ground wire shall be flexible and thin but strong enough to reach long distances without snapping/breaking. Holiday test of field girth welds shall be conducted in accordance with SAES-H- 201.
5.2.6
In the offshore, a semi-robotic system shall be used in the
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
5.2.7
5.2.8
5.2.9
application of approved coating on internal girth welds by qualified and experienced contractors. This is applicable for sub-sea pipelines with diameters ranging from 8” and above.
Dead legs and jump-over piping sections of corrosive services shall be internally coated. Dead legs shall be coated in accordance with SAES-L-310. Coating shall be 100% holiday- free.
Liquid coating, APCS-120, shall be used on internal girth welds that have a wider cut-back than standard due to post weld heat treatment (PWHT). During the PWHT process, the induction heater shall be placed around the girth weld area to minimize damage of the existing pipe body coating. Prior to actual coating application, the coating contractor must demonstrate his capability in coating the new cutback resulted from PWHT.
The internal coating shall be extended to the face of flat/raised face flanges not in contact with the gasket. The flange face serration where gasket is installed shall not be blasted for proper sealing. Applied coating shall be machined and smoothened to ensure proper levelling and alignment of gasket. Only approved coatings that can be machined after application shall be used.
5.2.10 Use only approved abrasive materials that can achieve the
required surface cleanliness and profile requirements in accordance with SAES-H-001.
5.2.11 The DFT of the internal coating shall be checked within one
meter from the end of the pipe.
5.2.12 Liquid coatings shall be applied by airless spray equipment.
5.2.13 Scrapers are allowed to be used for the internal cleaning or
inspection of coated pipelines, as long as they are especially designed for coated pipelines. Coating-friendly scrapers shall have only nonmetallic parts in contact with the coated pipes. Calipers shall have flexible arms and non-metallic wheels. In the case of Magnetic Flux Leakage (MFL) tools, the magnetic pads can be of carbon steel as long as sharp edges are rounded smooth to avoid scratching the coating.
5.2.14 When a pipe or a fabricated spool is partially weld overlayed and to be internally coated, the cladding shall have a smooth transition down to the adjacent pipe internal surface by grinding or machining method prior to the application of factory coating.
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
The taper angle of the cladding end shall not be abrupt greater than 18 deg, not steeper than a ratio of 1:3.
5.3
Internal Coatings, Various Services
Approved Coatings System
New Construction APCS-102A
Maintenance
APCS-117 APCS-120
APCS-102B
APCS-117 APCS-120
Categories
5.3.1 Pipelines for treated seawater and potable water Service
5.3.2 Pipelines for formation water, Wasia water and wet crude service
APCS-102C
APCS-117 APCS-120
5.3.3 Pipelines for Sour/Sweet Gas Service
Area to be Coated/Other Remarks
-
Only approved girth weld FBE coatings for APCS- 102A or APCS-120 shall be used on field girth welds for both onshore and offshore applications.
-
Use robotic crawler for
internal coating of field girth welds of pipe strings with diameters of 8” and above. 3) All internal coatings on field girth welds shall be 100% holiday-free.
- Only approved girth weld
FBE coatings for APCS-102B or APCS-120 shall be used on field girth welds for both onshore and offshore applications.
- Use robotic crawler for
internal coating of field girth welds of pipe strings with diameters of 8” and above. 3) All internal coatings on field girth welds shall be 100% holiday-free.
-
Only approved girth weld FBE coatings for APCS- 102C or APCS-120 shall be used on field girth welds for both onshore and offshore applications.
-
Use robotic crawler for
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
Approved Coatings System
Categories
New Construction
Maintenance
APCS-117 APCS-2E APCS-28
APCS-102A APCS-102B APCS-102C APCS-117 APCS-2E APCS-28
5.3.4 Spools, Valves, Pumps, Flanges, and Other Fittings for Water (all types), Wet Crude Oil and Gas Services
Area to be Coated/Other Remarks internal coating of field girth welds of pipe strings with diameters of 8” and above. 3) All internal coatings on field girth welds shall be 100% holiday-free.
-
Selection shall be based on the resistance of the coating to process temperature, pressure, corrosivity of the media, mechanical inspection, and pigging equipment.
-
For valves, pumps, flanges and other fittings, coating application shall be in accordance with the concerned APCS and relevant SAES-H standard’s requirements. Refer to para. 6.1.8 of SAES-H-001 when considering manufacturer’s standard coating system.
-
The coating for girth welds can be APCS-120 or same coating for the piping and fittings.
-
APCS-102A, APCS-102B or APCS-102C shall not be used on the girth welds of any piping and fittings coated with either APCS-2E, APCS- 28, or APCS-117.
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
5.4 External Coatings for Onshore and Cross-Country Pipelines
Categories
5.4.1 Buried Pipelines and Piping
Approved Coatings System
New Construction APCS-104A APCS-104B APCS-104C
Maintenance
APCS-113A APCS-113C
Area to be Coated/Other Remarks
- APCS-113A or APCS-113C
can be used on new construction to:
a) Repair damaged FBE.
b) Coat already cement
lined pipe.
c) Coat single short run of
pipes (60 meters or less) that will not require subsequent bending.
- Coating selection shall be
based on operating temperature and service conditions.
5.4.2 Buried Field Girth Welds
5.4.3 Buried Fittings, Appurtenance s and Spool Pieces
5.4.4 Buried Road Crossings
APCS-104A APCS-104B APCS-104C APCS-113A APCS-113C
APCS-104A APCS-104B APCS-104C APCS-113A APCS-113C
APCS-104A APCS-104B APCS-104C plus APCS-113A APCS-113C
APCS-113A APCS-113C
- APCS-113A must be applied
using Airless spray equipment.
- Coating selection shall be
based on operating temperature and service conditions.
APCS-113A APCS-113C
- APCS-113A must be applied
using Airless spray equipment.
APCS-113A APCS-113C
- Coating selection shall be
based on operating temperature and service conditions.
-
APCS-113A or APCS-113C shall be applied over APCS- 104A, APCS-104B, or APCS-104C for open cut excavations.
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SAES-H-002
Approved Coatings System
Categories
New Construction or ARO
5.4.5 Above Ground
5.4.6 Buried Anchors
Select the appropriate external coating in the table list of SAES-H-001 See Comments
5.4.7 Casing for carrier pipes 5.4.8 Transition areas
APCS-104A APCS-104B APCS-104C
APCS-104A APCS-104B APCS-104C plus
Maintenance
Area to be Coated/Other Remarks
-
APCS-104A, APCS-104B, or APCS-104C surface shall be properly cleaned and roughened according to specification prior to application of APCS-113A or APCS-113C
-
Approved abrasion resistant overlay (ARO) composite wrap system shall be applied over the APCS-104A, APCS- 104B, or APCS-104C coated pipes subjected to thrust- boring in hard, rocky soils.
-
See paragraph 5.1.12 for
thrust-bored road crossing.
External coating requirement and selection shall depend on pipeline location and exposure conditions. These conditions shall be determined prior to coating selection.
See Comments
Coat concrete anchors in accordance with Standard Drawing AA-036531. Steel anchors shall be coated with APCS-113A. Coat the portion of pipe covered by ring girders or saddles per SAES-L-120, SAES-L-310, and SAES-L-410. APCS-113A As specified in Section 5.1.17.
APCS-113A APCS-113C
As specified in Section 5.1.5
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SAES-H-002
Approved Coatings System
Categories
New Construction APCS-113A APCS-113C
Maintenance
Area to be Coated/Other Remarks
5.5 External Pipeline Coatings, Offshore - (Refer to SAES-H-004)
5.6 External Pipe Coatings, In-Plant
Approved Coatings System
New Construction APCS-104A APCS-104B APCS-104C
Maintenance
APCS-113A APCS-113C
Area to be Coated/Other Remarks
- APCS-113A or APCS-113C
can be used on new construction to:
Categories
5.6.1 Buried (All services except insulated)
a) Repair damaged FBE.
b) Coat already cement
lined pipe.
c) Coat single short run of
pipes (60 meters or less) that will not require subsequent bending.
- Coating selection shall be
based on operating temperature and service condition.
See SAES-H-001 (paragraph 7.1.C)
External coating requirement and selection shall depend on pipeline location and exposure conditions. These conditions shall be determined prior to coating selection.
5.6.2 Insulated equipment
5.6.3 Above Ground
See remark See remark
Select the appropriate external coating in the table list of SAES-H-001.
5.6.4 Buried
APCS-104A APCS-104B
APCS-113A APCS-113C
Non-metallic abrasives shall be utilized for Stainless Steel.
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SAES-H-002
Approved Coatings System
Categories
New Construction Stainless Steel APCS-104C APCS-113A APCS-113C
Maintenance
Area to be Coated/Other Remarks
6
Description and Uses of Approved Protective Coating System (APCS)
6.1 Service condition limitations for the APCSs are the maximum allowable
operating conditions.
6.2
6.3
The APCS coating systems shall not be used under conditions that violate service limitations or other requirements in the applicable APCS data sheets. Only approved products shall be used.
If FBE approved coating is manufactured in a different manufacturing facility, it shall be prequalified even when it is manufactured by the same company.
6.4 Any approved coating that is subjected to modifications and/or
reformulations, or replacement including change of names or re-branding shall be requalified.
6.5 SSPC PA2 shall be utilized in measuring coating dry film thickness.
6.6
Index of all coating systems used in this standard.
Specification
Title
APCS-102A
APCS-102B
APCS-102C
APCS-103
APCS-104A
APCS-104B
APCS-104C
Shop-Applied Fusion Bonded Epoxy for Internal Coating of Treated Seawater and Potable Water Pipelines Shop-Applied Fusion Bonded Epoxy for Internal Coating of Formation Water and Wet Crude Pipelines Shop-Applied Fusion Bonded Epoxy for Internal Coating of Sour/Sweet Gas Pipelines Shop or Field-Applied Cement Mortar Shop-Applied External Fusion Bonded Epoxy (93°C-Dry, 65°C-Immersed) Shop-Applied External Fusion Bonded Epoxy (110°C-Dry, 90°C-Immersed) Shop-Applied External Fusion Bonded Epoxy (130°C-Dry/ Immersed)
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Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
Specification
Title
APCS-113A
APCS-113C
APCS-117 APCS-120
APCS-2E
APCS-28
High-Build Liquid Epoxy Coatings for Buried Substrate in Subkha and Dry Soils Non-curing (Visco-elastic) Mastic-based Coating System with a Backing Tape for Buried Pipelines Internal Thick Liquid Coating for Piping Internal Girth Weld Liquid Coating for Piping Solvent Free Phenolic Epoxy Coating for General Immersion Service (Self-Priming). Internal Liquid Coating Systems for Pumps, Valves, and Exchanger Boxes
Document History
29 December 2020
22 February 2018
1 August 2017
Major revision. Update references, clarify requirements, add APCS for selection, added requirements for scrapping coated pipes, extend maximum operating pressure limitations for internal FBE APCS. Editorial revision to modify paragraph (4), (5.2.4), (5.2.10), (5.3.4 Remark2), (5.4.4 Remark3), (5.6.4 Remark1), and (2.d of APCS-102C) Major revision. This document was revised to remove old coating systems, APCS-100 and APCS-105, and add new technologies, APCS-104C. In Addition, APCS-113A was accepted for girth weld coatings. Mandate providing a copy of girth weld inspection video record to the proponent. Specify APCS-113A or APCS-113C for the pipe transition section.
©Saudi Arabian Oil Company, 2020
Page 18 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
I.
TYPE OF COATING
APCS-102A
Shop-Applied Fusion Bonded Epoxy for Internal Coating of Treated Seawater and Potable Water Pipelines.
II.
GENERAL DATA
a) Uses: Primarily used for treated seawater and potable water
pipelines excluding girth welds. For potable water service, the coating shall have approval from National Sanitation Foundation (NSF) or equivalent.
b) Service Limitations:
Temperature: Min. 0°C
Max. 90°C
Other:
pH range 3.5 to 11. Maximum allowable service pressure is 20,685 kPa (3,000 psig). Maximum partial pressures of H2S and CO2 are 1034 kPa (abs) (150 psia) and 1379 kPa (abs) (200 psia), respectively.
c) Coating Selection: SAES-H-002V
d) Purchase Specification: 09-SAMSS-091
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe: Per 09-SAMSS-091
b) Field Girth Weld Area: White metal abrasive grit blast, Sa3. Profile
50 to 100 microns (2–4 mils). Use either garnet or steel grit abrasive for blast cleaning. Sand is not acceptable. Crawler- applied approved FBE or liquid coating under APCS-120 for internal girth welds of pipe strings. Preheat area to be FBE coated with induction heaters only. Refer to SAES-H-201.
c) Compatible Repair Coatings: Approved repair coatings.
©Saudi Arabian Oil Company, 2020
Page 19 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-102B
I.
TYPE OF COATING
Shop-Applied Fusion Bonded Epoxy for Internal Coating of Formation Water and Wet Crude Pipelines.
II.
GENERAL DATA
a) Uses: Primarily used for formation water, Wasia water, disposal
water, slope oil, and wet crude pipelines excluding girth welds.
b) Service Limitations:
Temperature: Min. 0°C
Max. 95°C
Other:
pH range 3.5 to 11. Maximum allowable service pressure is 22,408 kPa (3,250 psig). Maximum partial pressures of H2S and CO2 are 1034 kPa (abs) (150 psia) and 1379 kPa (abs) (200 psia), respectively. Some approved products can withstand only 3,000 psig.
c) Coating Selection: SAES-H-002V
d) Purchase Specification: 09-SAMSS-091
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe: Per 09-SAMSS-091
b) Field Girth Weld Area: White metal abrasive grit blast, Sa3. Profile
50 to 100 microns (2–4 mils). Use either garnet or steel grit abrasive for blasting. Sand is not acceptable. Crawler-applied approved FBE or liquid coating under APCS-120 for internal girth welds of pipe strings. Preheat area to be FBE coated with induction heaters only. Refer to SAES-H-201.
c) Compatible Repair Coatings: Approved repair coatings.
©Saudi Arabian Oil Company, 2020
Page 20 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-102C
I.
TYPE OF COATING
Shop-Applied Fusion Bonded Epoxy for Internal Coating of Sour/Sweet Gas Pipelines.
II.
GENERAL DATA
a) Uses: Primarily used for sour and sweet gas pipelines
b) Service Limitations:
Temperature: Min. 0°C
Max. 95°C
Other:
pH range 3.5 to 11. Maximum allowable service pressure is 20,685 kPa (ga) (3,000 psig). Maximum partial pressures of H2S and CO2 are 1034 kPa (abs) (150 psia) and 1379 kPa (abs) (200 psia), respectively.
c) Coating Selection: SAES-H-002V
d) Purchase Specification: 09-SAMSS-091. The coating shall be tested against the maximum allowable operating conditions involved.
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe: Per 09-SAMSS-091
b) Field Girth Weld Area: White metal abrasive grit blast, Sa3. Profile 50 to 100 microns (2 – 4 mils). Use either garnet or steel grit abrasive for blast cleaning. Crawler-applied approved FBE or liquid coating under APCS-120 for internal girth welds of pipe strings. Refer to SAES-H- 201.
c) Compatible Repair Coatings: Approved repair coatings.
©Saudi Arabian Oil Company, 2020
Page 21 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-103
I.
TYPE OF COATING
Shop or Field-Applied Cement Mortar Internal Coating for Pipelines and Piping
II.
GENERAL DATA
a) Uses: Internal coating for most water services.
b) Service Limitations:
Temperature: Min. 0°C
Max. 90°C
Other:
Minimum pH 5.5. Maximum fluid velocity 3 m/s. Service pressures up to 34, 475 kPa (ga) (5,000 psig) allowed as long as pipe does not yield, flex, or vibrate. Maximum allowable partial pressures of H2S and CO2 are each 13 kPa (abs) (2 psia).
c) Not Suitable For:
- Applications where a subsequent external coating requires
preheating. In such cases, the external coating (normally FBE) must be applied first.
- Soft waters such as steam condensate and boiler feed water. Also, some waters formed by desalination or reverse osmosis.
d) Purchase Specification:
Shop-applied: 01-SAMSS-005
Field-applied: AWWA C602
e)
In potable water service, joint compounds shall be certified suitable for contact with drinking water. For coupling joint use M/N: 1000187426 (old SAMS S/N: 09-239-660-00).
©Saudi Arabian Oil Company, 2020
Page 22 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe: Per 01-SAMSS-005 for shop application and AWWA C602 for
in situ field application.
b) Field Girth Weld Area: Hand-tool cleanliness, St2 minimum.
c) Compatible Repair Coatings: Cement mortar or grout; M/N:
1000187426 (old SAMS S/N: 09-239-660-00) (in potable water service).
©Saudi Arabian Oil Company, 2020
Page 23 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-104A
I.
TYPE OF COATING
Shop-Applied External Fusion Bonded Epoxy (93°C-Dry, 65°C-Immersed)
II.
GENERAL DATA
a) Uses: External coating for onshore buried service. Also, suitable for subsea service in conjunction with concrete weight coating.
b) Service Limitations:
Temperature:
Min.
-20°C
Max. (In Subkha or immersion): 65°C
Max. (In dry ground): 93°C
c) Coating Selection: SAES-H-002V
d) Purchase Specification: 09-SAMSS-089
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe: Per 09-SAMSS-089
b) Field Girth Weld Area: Per SAES-H-201
c) Compatible Repair Coatings: Approved epoxy coating in the shop
and in the field.
©Saudi Arabian Oil Company, 2020
Page 24 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-104B
I.
TYPE OF COATING
Shop-Applied External Fusion Bonded Epoxy (110°C-Dry, 90°C- Immersed)
II.
GENERAL DATA
a) Uses: External coating for onshore buried service. Also, suitable
for subsea service in conjunction with weight coating.
b) Service Limitations:
Temperature:
Min.
-20°C
Max. (Subkha or immersion): 90°C
Max. (Dry ground): 110°C
c) Coating Selection: SAES-H-002V
d) Purchase Specification: 09-SAMSS-089
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe: Per 09-SAMSS-089
b) Field Girth Weld Area: Per SAES-H-201
c) Compatible Repair Coatings: Approved epoxy coating in the shop
and in the field.
©Saudi Arabian Oil Company, 2020
Page 25 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-104C
I.
TYPE OF COATING
Shop-Applied External Fusion Bonded Epoxy (130°C Dry/Immersed)
II.
GENERAL DATA
a) Uses: External coating for onshore buried service. Also, suitable
for subsea service in conjunction with weight coating.
b) Service Limitations:
- High Temperature FBE (Tg greater than 140°C)
Temperature:
Min.
-20°C
Max. (Dry/Subkha or immersion): 130°C
c) Coating Selection: SAES-H-002V
d) Purchase Specification: 09-SAMSS-089
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe: Per 09-SAMSS-089
b) Field Girth Weld Area: Per SAES-H-201
c) Compatible Repair Coatings: Approved epoxy coating that can
withstand temperature up to 130°C.
©Saudi Arabian Oil Company, 2020
Page 26 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS 113A
I.
TYPE OF COATING
High-Build Liquid Epoxy Coatings for Buried Substrate in Subkha and Dry Soils
II.
GENERAL DATA
Uses: For the external of buried piping, pipelines, and associated fittings and appurtenances including other buried substrates.
a)
This system can also be used as a shop coating for pipeline spools, fittings, and appurtenances. The solids content is 97% (±3) by volume.
b) M/N: 1000686070
c) Maximum Service Temperature Limitations:
-
120°C in dry soil.
-
90°C in Subkha soil.
d) Generic Information: This APCS covers a variety of high build
epoxy liquid coatings with or without reinforcing fillers. For generic information, check approved Saudi Aramco Data Sheets SAES-H- 002V.
e) Purchase Specification: 09-SAMSS-113
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Cleanliness:
Near white metal (SSPC-SP 10)
Surface Profile: 50 to 100 microns (2 to 4 mils)
b) Test the steel substrate for chloride salts contamination. Substrates
with residual chlorides exceeding 20 mg/m² shall be decontaminated by fresh water high-pressure wash.
©Saudi Arabian Oil Company, 2020
Page 27 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
c) Dry Film Thickness:
600–1,000 microns (24–40 mils) applied in wet-on-wet single coat application.
d) For shop coating application, automated process is recommended.
The pipe can be rotated while the spray gun moves at a constant speed with the aid of a motor.
e) Compatible Repair Coatings: APCS-113A.
f)
The required voltages for holiday detection of the coating prior to burial are 2,400 ± 50 volts DC.
Commentary Note:
Mandatory technical properties and storage, mixing, and application requirements shall be as given in the Saudi Aramco Data Sheets SAES-H-002V.
©Saudi Arabian Oil Company, 2020
Page 28 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-113C
I.
TYPE OF COATING
Non-curing (Visco-elastic) Mastic-based Coating System with a Backing Tape for Buried Pipelines
II.
GENERAL DATA
a) Uses: Primarily used as an external protective coating system for renovation of buried pipelines. It can be used, as a corrosion protection, for field girth weld on both new and old pipelines. If it is used on offshore girth weld, outer-wrap for mechanical protection shall be used.
When used under direct sunlight, polyester sheathing (M/N 1000600010) shall be utilized as the final layer.
b) Service Limitations:
Temperature: Min. 10°C
Max. 70°C. Approved high temperature type can
be used up to 80°C.
CP shielding : This coating will shield CP (Cathodic Protection).
c) The PVC outer wrap is not suitable for continuous contact with
liquid hydrocarbons, including oil-soaked soil.
d) Suitable for both dry and Subkha soil.
e) M/N:
Visco-elastic Coating: 1000600006, 1000600007, and 1000600011
depending on width
Outer Wrap:
1000600006, 1000600007, 1000600008, 1000600009, and 1000600011 depending on width
Adhesive/Paste:
1000600012
Sheathing:
1000600010
©Saudi Arabian Oil Company, 2020
Page 29 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
f)
Purchase Specifications:
Impact Resistance (ASTM G14): 15 J (minimum) peel strength (DIN 30670): 1.0 N/mm² (minimum) @1.8 mm film thickness.
Shear Strength (ASTM D1002): 0.05 N/mm² (minimum).
Cathodic Disbonding Test (ASTM G42): No disbonding @ 70°C for 30 days. For high temperature coating, it shall be tested at 80°C.
Minimum thickness of the outer wrap and sheathing are 0.8 mm and 1.0 mm, respectively.
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Generally, commercial blast (SSPC-SP 6 or equivalent) is used.
Wire brushing is acceptable on small areas (less than 1 meter long). Wrapping can be applied over existing, sound coating after the removal of lose paints and debris.
b) Surface Profile: Not critical
c) Over lapping:
For the visco-elastic layer, the overlap shall be 20% of the width of the tape for pipes with diameters up to 10”, and 15 mm for pipes with diameters larger than 10”. For the outer wrap, the overlap shall be 50% of outer wrap width.
d) For girth weld application:
The overlap between existing coating and visco-elastic coating shall be 4 inch.
e) Compatible Repair Coatings: APCS-113C
©Saudi Arabian Oil Company, 2020
Page 30 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-117
I.
TYPE OF COATING
Internal Thick Liquid Coating for Piping
II.
GENERAL DATA
a) Uses: Internal coating for water, oil or gas service. For spools,
elbows, tees, wyes, nozzles, flanges and other associated pieces of piping systems.
b) Service Limitations:
Temperature: Depends on the temperature limitation of the coating
product
Other:
Depending on the coating product: pH range 3.5 to 13, maximum allowable service pressure 13,789 kPa (2,000 psig).
c) M/N: 1000180021, 1000180023, 1000180276, 1000180279,
1000180328, and 1000180337.
d) Purchase Specification: 09-SAMSS-067
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe Joints and Girth Weld Areas: Near white metal blast, ISO
8501 Sa 2-½ (SSPC SP 10), surface profile 50–125 microns (2–5 mils).
b) Dry Film Thickness
500 to 1,000 microns (20–40 mils) depending on product specification
c) Compatible Repair Coatings: APCS-117
©Saudi Arabian Oil Company, 2020
Page 31 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
APCS-120
I.
TYPE OF COATING
Internal Girth Weld Liquid Coating for Piping
II.
GENERAL DATA
a) Uses: Internal coating for water, oil, or gas service in the girth weld
area applied by special semi-robotic machines.
b) Service Limitations:
Temperature: Depends on the temperature limitation of the coating
product.
Other:
Depending on the coating product: pH range 3.5 to 13, maximum allowable service pressure 13,789 kPa (2,000 psig).
c) M/N: N/A
d) Purchase Specification: 09-SAMSS-067
III.
SURFACE PREPARATION AND COATING APPLICATION REQUIREMENTS
a) Pipe Joints and Girth Weld Areas: Typically, near white metal blast, ISO 8501 Sa 2-½, surface profile 50–125 microns (2–5 mils).
b) Dry Film Thickness
500 to 1,000 microns (20–40 mils) depending on product specification
c) Compatible Repair Coatings: Use the same selected coating for the
girth weld area.
©Saudi Arabian Oil Company, 2020
Page 32 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
1
TYPE OF COATING
APCS-2E
Solvent Free Phenolic Epoxy Coating for General Immersion Service (Self- Priming).
2
GENERAL DATA
2.1
Typical Use
Immersion service such as hydrocarbon, aqueous and corrosive chemical environments.
2.2 Service Condition Limitations
2.2.1 Maximum Service Temperature: 93°C
2.2.2 Maximum Service Pressure: 13,789 kPa (2,000 psig)
2.3 Purchase Specification:
09-SAMSS-067
2.4 M/N (SAMS Stock Numbers)
Coating:
1000608683 (09-000-445), 1000608684 (09-000-446) or 1000608685 (09-000-447) depending on can size
Thinner:
1000653652(09-000-469)
3
SURFACE PREPRATION REQUIREMENTS
3.1 Minimum Cleanliness Level
3.1.1 Initial:
Sa 3 (SSPC-SP 5)
3.1.2 Touch-up:
Sa 3 (SSPC-SP 5)
3.2 Profile:
60 - 100 micrometers, minimum-maximum
Abrasive:
1000161168 (08-220-878) or 1000160377 (08-202-910)
©Saudi Arabian Oil Company, 2020
Page 33 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
4
DRY FILM THICKNESS REQUIREMENTS
4.1
Total System:
Minimum one coat 500 – 600 micrometers, minimum-maximum.
4.2 Coating thickness within 2 m of anode connections shall be 30% greater
than the specified dry film thickness range.
4.3 Succeeding coats shall be of contrasting colors.
Commentary Note:
Mandatory technical properties and storage, mixing, and application requirements shall be as given in the Saudi Aramco Data Sheets (SAES-H-101V).
©Saudi Arabian Oil Company, 2020
Page 34 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
1
TYPE OF COATING
APCS - 28
Internal Liquid Coating Systems for Pumps, Valves, and Exchanger Boxes
2
GENERAL DATA
2.1
Typical Use
Suitable for new and existing pump casing valves in immersion seawater and hydrocarbon services where good corrosion, abrasion, and chemical resistance are required. Glass-reinforced systems should be top-coated to achieve a smooth and even finish.
2.2 Service Limitations:
Temperature: Depends on the temperature limitation of the coating
product.
Other:
Depending on the coating product: pH range 3.5 to 13, maximum allowable service pressure 13,789 kPa (2,000 psig).
2.3 Purchase Specifications: 09-SAMSS-067
2.4 M/N: 1000180328, 1000180337, and 1000180390
3
SURFACE PREPARATION REQUIREMENTS
3.1 Soluble salts on the steel substrate shall be less than 20 mg/m² prior to
coating application.
3.2 Minimum Cleanliness Level
3.2.1 New Bare Steel:
Sa 3 (SSPC-SP 5)
Touch-Up:
Sa 2.5 (SSPC-SP 10) St 2 (SSPC-SP 2) for areas less than 0.1 m²
3.2.2 Maintenance Coating:
©Saudi Arabian Oil Company, 2020
Page 35 of 36
Saudi Aramco: Company General Use
Document Responsibility: Paints and Coatings Standards Committee Issue Date: 29 December 2020 Next Planned Update: 29 December 2025
Internal and External Coatings for Steel Pipelines and Piping
SAES-H-002
Exposed Steel:
Sa 2.5 (SSPC-SP 10) for areas greater than 0.1 m²
3.3 Profile:
Abrasive:
As specified in the product approved data sheet.
1000161063 (08-220-850), 1000161200 (08-220-890) or 1000160377 (08-202-910)
4
DRY FILM THICKNESS REQUIREMENTS
As specified in the product approved data sheet.
Commentary Note:
Mandatory technical properties and storage, mixing, and application requirements shall be as given in the Saudi Aramco Data Sheets (SAES-H-101V).
©Saudi Arabian Oil Company, 2020
Page 36 of 36
Saudi Aramco: Company General Use
Project: Q-31108 - Tecnicas - Riyas Folder: RFQ Files