09-SAMSS-067

Materials System Specification 09-SAMSS-067 13 July 2011 2011 Qualification Requirements for Internal Coating Systems Used in Immersion Services Document Responsibility: Responsibility: Paints and Coatings Standards Committee

Saudi Aramco DeskTop Standards Table of Contents

1 Scope............................................................ 2 2

Conflicts and Deviations................. Deviations...... ...................... ............... .... 2

3 References.................................................... 3 4

General Requirements.................. Requirements....... ...................... ................ ..... 4

5

Qualification Tests and Requirements........... Requirements..... ...... 5

6

Method of Packaging.................. Packaging........ ...................... ................. ..... 10

Previous Issue: 28 February 2005 Next Planned Update: 13 July 2016 Revised paragraphs are indicated in the right margin Primary contact: Mansour, Mana Hamad on 966-3-8760264 Copyright©Saudi Aramco 2011. All rights reserved.

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Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

1

Scope This specification defines the minimum mandatory requirements for qualifying individual coating product for use in Saudi Aramco's approved protective coating systems APCS-2A , APCS-2B, and APCS-2C This specification also shall be used to qualify the thick polymeric coating systems under APCS-2E, APCS-2F, and APCS-2G. The specification shall be used when an y of the following situations occurs: 1.1

Initial Product Approval This specification shall be given to coating manufacturers, or other vendors of coating products, who need to obtain initial approval for products that have not  previously been qualified in accordance with this specification.

1.2

Purchase Requisitions/Purchase Orders This specification shall be attached to Purchase Requ isitions or Purchase Orders when those documents address the procurement of coating products that have not been previously qualified in accordance with this specification. This specification does not apply and should not be included with Purchase orders or requisitions for coating products that have been prev iously qualified  per this specification. This specification should also not be included with  purchase orders or requisitions for coated items or equipment when a Saudi Aramco approved protective coating system has been specified.

1.3

Periodic Product Compliance Checks This specification should be used for periodic product compliance checks on  previously approved coatings. It shall be given to the organization who shall conduct the compliance tests.

2

Conflicts and Deviations 2.1

Any conflicts between this specification and other applicable Saudi Aramco Materials System Specifications (SAMSSs), Engineering Standards (SAESs), Standard Drawings (SASDs), or industry standards, codes, and forms shall be resolved in writing by the Company or Buyer Representative through the Manager, Consulting Services Department of Saudi Aramco, Dhahran.

2.2

Direct all requests to deviate from this specification in writing to the Company or Buyer Representative, who shall follow internal company procedure SAEP-302 and forward such requests to the Manager, Consulting Services Department of Saudi Aramco, Dhahran. Page 2 of 10

Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

3

References The selection of material and equipment, design, construction, maintenance, and repair of equipment and facilities covered by this specification shall compl y with the latest edition of the references listed below, unless otherwise noted. a)

On the date of the Purchase Order.

 b)

On the date of the testing is begun if there is no Purchase Order involved.

3.1

Saudi Aramco References Saudi Aramco Engineering Procedure SAEP-302

 Instructions for Obtaining a Waiver of a  Mandatory Saudi Aramco Engineering  Requirement

Saudi Aramco Materials System Specification 09-SAMSS-060

 Packaging Requirements for Coatings

Saudi Aramco Engineering Standards SAES-H-101 APCS-2A

Epoxy Coating System for General Immersion Service at Temperature up to 90°C (Self  Priming)

SAES-H-101 APCS-2B

Epoxy Coating System for Potable Water  Immersion Service at Temperature up to 83°C (Self-Priming)

SAES-H-101 APCS-2C

Epoxy Coating System for Immersion Service at Temperatures up to 120°C

SAES-H-101 APCS-2E

Solvent free Epoxy Coating applied in a SingleCoat for Immersion Service at Temperature up to 90°C

SAES-H-101 APCS-2F

Glass Flake Filled Polyester Fast Curing Systems applied in a Single-Coat for Immersion Service at Temperature up to 90°C

SAES-H-101 APCS-2G

Glass Flake Filled Vinyl Ester Fast Curing System applied in a single coat for Immersion Service at Temperature up to 110°C

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Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

3.2

Industry Codes and Standards American Society for Testing and Materials  ASTM D714

Evaluating Degree of Blistering of Paints

 ASTM D1193

Reagent Grade Water

 ASTM D1640

Drying, Curing or Film Formation of Organic Coatings at Room Temperature

 ASTM D1849

Package Stability of Paint

 ASTM G42

Cathodic Disbonding of Immersed Coatings  subjected to Elevated or Cyclic Temperature

 National Association of Corrosion Engineers (NACE) TM-01-74

Laboratory Methods for the Evaluation of  Protective Coatings and Lining Materials in  Immersion Service

The Society for Protective Coatings

4

SSPC-PA2

Measurement of Dry Coating Thickness with  Magnetic Gages

SSPC-Vis 1

Visual Standard for Abrasive Blast Cleaned Steel

General Requirements 4.1

For purposes of this specification the Buyer's Representative shall be the Responsible Standardization Agency Representative (RSA).

4.2

In order to qualify a coating system as acceptable under this specification, the coating supplier must submit a certified test report documenting to the RS A that the proposed coating system meets the qualification tests and requirements of this SAMSS. Preparation and testing shall be performed and/or witnessed by an independent laboratory or inspection agency. This report shall be submitted to the Saudi Aramco RSA for review and approval.

4.3

All initial product qualification tests shall be carried out at no cost to Saudi Aramco.

4.4

All coating systems supplied for use in potable water service as in (APCS-2B) or any other systems shall have been tested per the appropriate regulatory requirements and certification shall be furnished attesting to acceptability for use in potable water systems. The certification shall be valid for 24 months from the

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Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

date of issuance, and thereafter, it shall be renewed every 24 months to maintain the approval consecutively.

5

Qualification Tests and Requirements 5.1

Physical Properties Tests 5.1.1

Package Stability of Paint When stored at 52°C ± 1°C for 6 months in accordance with ASTM D1849, the sample shall meet the following requirements:

5.1.2

a)

Weight loss - 0

 b)

Skinning, pressure and corrosion - 10

c)

Settling - 6 or better

d)

Grains, lumps, or streaks - 8 or better

Spray Properties The ready mixed coat shall be easily applied at the maximum dry film thickness specified in paragraph 5.2.4, to a vertical surface with no tendency to orange peel, sag, creep or run.

5.1.3

Drying Times When tested in accordance with ASTM D1640, the Dry-Through (or Dry-To-Handle) Time shall be 8 hours or less and the Dry-To-Recoat Time shall be in accordance with Manufacturer’s published material data sheets.

5.1.4

Usable Potlife For APCS- 2A, B, and C at 40°C, the viscosity of the ready-mixed paint shall remain within the range recommended b y the manufacturer for spray ability, without adding thinners, for not less than 30 minutes. For APCS-2E, F, and G the usable pot life requirement shall be in accordance with the Manufacturer’s data sheet.

5.1.5

Curing APCS-2A/2B/2C: The paint shall cure completely within 7 days at a temperature of 20°C after the application.

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Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

APCS-2E: The paint shall cure completely within five (5) days at a temperature of 20°C. APCS-2F and 2G: The paint shall completely cure within 3 days at a temperature of 20°C. 5.1.6

Post Curing Coatings application in lower temperatures than that described in this standard may require post curing to accelerate the full curing time. Refer to the manufacturer’s materials data sheet and consult with CSD coating engineers for the appropriate post curing procedure.

5.1.7

Adhesion Test 5.1.7.1

5.2

Prepare test panels as in Section 5.2.

5.1.7.2

Determine the adhesion of the prime coat to the substrate, Inter-coat adhesion, or cohesion of any two coats of the  painting system by using adhesion tester, 450 kg capacity. Lightly sand the coated surface and aluminum dolly and apply a suitable epoxy adhesive. Allow the adhesive to cure as directed by the adhesive supplier. Scribe the coating and adhesive around the dolly prior to testing. Make a minimum of three trials and report the average.

5.1.7.3

The acceptable average shall be at least 4150 kPa (600 psi) for APCS-2A, 2B, and 2C. The acceptable average shall be at least 6950 kPa (1000 psi) for APCS-2E, 2F, and 2G.

5.1.7.4

For APCS-2E, F, and G determine the adhesion of the total film thickness to the metal substrate by using the mechan ical  pull-off tester ELCOMETER 106 only. The acceptable average shall be at least 3874 psi.

Test Panel Preparation 5.2.1

Test panels shall be ASTM A36 hot rolled steel approximately 100 mm x 150 mm. Prior to preparing the surface, the condition of the test panel shall be equivalent to SSPC-Guide to Vis 1 Rust Grade A, Adherent Mill Scale. The minimum thickness of the test panel shall be 5 mm.

5.2.2

Abrasive blast the test panels to meet the cleanliness requirements of White Metal Blast, SSPC SP5 (SIS Sa 3).

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Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

5.2.3

The profile of the blasted surface shall be: APCS-2 A, 2B, and 2C: 40 - 65 microns. APCS-2E, F, and G: 60 -100 microns.

5.2.4

Coatings shall be mixed, applied and cured in accordance with the manufacturer’s recommendations. Dry film thickness (DFT) shall be measured and recorded in accordance with SSPC-PA2, and shall meet the following requirements: APCS-2A/2B/2C: Minimum three coats Each coat:

125 micrometers maximum

Total system: 275 - 375 micrometers APCS-2E: Single coat or maximum two coats Total system: 400 - 600 micrometers. APCS-2F and 2G Single coat or maximum two coats Total system: 600 –  1000 micrometers If a holding primer is used with this system, the primer shall be tested as a part of the system total dry film thickness.

5.3

5.2.4.1

For coating systems employing a holding primer, apply holding  primer at approximately 40 to 60 microns dry film thickness.

5.2.4.2

Cure the panel at 60°C for 24 hours before applying the coating system in accordance with paragraph 5.2.4.

Immersion Tests 5.3.1

Test panels shall be prepared in accordance with paragraph 5.2.

5.3.2

All tests shall be performed in duplicate.

5.3.3

The fully cured coating shall be tested per NACE Standard TM-01-74, Procedure A-One Sided Testing.

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Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

5.3.3.1

Panels coated with systems APCS-2A and APCS-2E shall be exposed to the following test conditions: a)

Reagent Grade Distilled Water which meets the requirements of ASTM D1193, Type I. Test solution temperature shall be 90°C ±2°C.

 b)

A one-to-one mixture mineral spirits and brine (5% by weight sodium chloride in distilled water). Test solution temperature shall be 90°C ± 2°C.

5.3.3.2

Panels coated with system APCS-2B shall be tested in potable water at 90°C ± 2°C.

5.3.3.3

Panels coated with systems APCS-2C, 2F, 2G shall be tested in Reagent Grade Distilled Water meeting the requirements of ASTM D1193, Type I. Test temperature shall be 110°C ±2°C in a pressurized test chamber.

5.3.3.4

At the conclusion of six months exposure in immersion condition, the coating systems shall be evaluated t o meet the criteria in Table 1. Table 1  –  Immersion Test Acceptance Rating Standard  ASTM D714 Evaluating Degree of Blistering of Paints  ASTM D610 Evaluating Degree of Rusting on Painted Steel Surfaces

NACE TM-01-74 Hardness and Adhesion

5.4

Acceptable Rating No blisters

9 or better When tested in accordance with paragraph 6.2.4 of TM-01-74, the coating shall show no more than a two pencil hardness difference and the adhesion between wet and dry portions of the panel shall be similar. After conditioning in laboratory for seven days there shall be no difference.

Cathodic Disbondment When tested in accordance with ASTM G42, Method A, at 90°C the maximum allowable radius of disbondment shall be 30 mm.

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Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

5.5

Chemical Resistance 5.5.1

High temperature - high pressure (Autoclave) chemical resistance test results shall not show more than 4 blisters of size 8 or less, as defined in ASTM D714 and no loss of adhesion per the procedure outlined in  paragraph 5.1.6.2 of this specification. They shall not show any sign of cracking or delamination.

5.5.2

The fully cured specimens will be immersed half-way in the specified test solutions in the autoclave. After sealing, the test chamber shall be heated to the test temperature specified in Table 2. Stable conditions (temperature/pressure) shall be maintained for a minimum of 18 hou rs, after which the heat shall be discontinued. The unit shall be cooled to 85°C and the pressure released over a time period of one minute. The specimens shall be conditioned for one hour at 25°C prior to being assessed. Table 2  –  Chemical Resistance Test Parameters Coating System  APCS-2A and APCS-2E

 APCS-2A, 2C, 2E, 2F, and 2G

 APCS-2Fand 2G

5.5.3 5.6

Test Medium Formation water brine 5% H2S 5% CO2 90% methane Distilled water 5% H2S 5% CO2 90% methane Formation Brine water, 5% H2S, 5%CO2, and 90% Methane

Test Temp.

Test Pressure

Test Time

90°C

6890 kPa

24 hrs

90°C

6890 kPa

24 hrs

110°C

6890kPa

24 hrs

The pressurizing gas shall be methane.

Coating Materials Identification The manufacturers and vendors shall provide the fingerprints of the products supplied under APCS-2E, 2F, and 2G in this specification. The fingerprint of all  batches related to each product under these three APCS must be submitted along with the material technical data sheets for RSA review and approval. FTIR technique shall be used as the method for Infra Red scanning in this specification.

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Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-067 Issue Date: 13 July 2011 Qualification Requirements for Internal  Next Planned Update: 13 July 2016 Coating Systems Used in Immersion Services

6

Method of Packaging Coatings shall be packaged in accordance with 09-SAMSS-060.

13 July 2011

Revision Summary Revised the “Next Planned Update” Reaffirmed the contents of the document and reissued with editorial revision to remove the committee members list.

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