ASTM A950 / A950M - 11 standard specification for fusion-bonded epoxy-coated structural steel h-piles and sheet piling

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Source: ASTM International

This specification covers the qualification requirements for structural steel H-piles and sheet piling with protective fusion-bonded epoxy coating applied by electrostatic spraying, flocking, or fluidized bed processing. Surface preparation techniques shall be performed by abrasive blast cleaning, grinding and chemical washing prior to coating application. The powder coating shall be heat treated and cured before visible oxidation occurs. Coating materials shall undergo thickness measurements and bend testing, and shall conform to the requirements for film thickness, flexibility and continuity, impact resistance, chemical composition, and corrosion resistance. The coated H-piles or sheet piling shall be stored off of the ground on supports. While handling equipment, bundling bands for packaging and tie-down bands for shipping shall have padded contact areas so as to avoid damage and excessive deflection.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers structural steel H-piles and sheet piling with protective fusion-bonded epoxy coating applied by the electrostatic spray, flocking, or fluidized bed process.

Note 1—The coating applicator is identified throughout this specification as the manufacturer.

1.2 Requirements for coatings are contained in Annex A1.

1.3 This specification is applicable for orders in either inch-pound units (as Specification A950) or SI units (as Specification A950M). The values stated in either inch-pound or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets.

1.4 This standard does not purport to address any of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents (purchase separately)

ASTM Standards
A6/A6M Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling
A36/A36M Specification for Carbon Structural Steel
A328/A328M Specification for Steel Sheet Piling
A572/A572M Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel
A588/A588M Specification for High-Strength Low-Alloy Structural Steel, up to 50 ksi [345 MPa] Minimum Yield Point, with Atmospheric Corrosion Resistance
A690/A690M Specification for High-Strength Low-Alloy Nickel, Copper, Phosphorus Steel H-Piles and Sheet Piling with Atmospheric Corrosion Resistance for Use in Marine Environments
A857/A857M Specification for Steel Sheet Piling, Cold Formed, Light Gage
B117 Practice for Operating Salt Spray (Fog) Apparatus
D2200 Practice for Use of Pictorial Surface Preparation Standards and Guides for Painting Steel Surfaces
D3451 Guide for Testing Coating Powders and Powder Coatings
G8 Test Methods for Cathodic Disbonding of Pipeline Coatings
G12 Test Method for Nondestructive Measurement of Film Thickness of Pipeline Coatings on Steel
G14 Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)
G20 Test Method for Chemical Resistance of Pipeline Coatings

American Petroleum Institute Specification
APIRP5L7 Recommended Practice for Internal Fusion Bonded Epoxy Coating of Line Pipe

National Association of Corrosion Engineers Standard
TM0175 Visual Standard for Surfaces of New Steel Centrifugally Blast Cleaned with Steel Shot or Steel Grit (Nace No. 2)

Steel Structures Painting Council Standards
SSPC-SP10 Near-White Blast Cleaning

Index Terms

corrosion resistance; fusion-bonded epoxy coating; H-piles; sheet piling; structural steel: Corrosion-resistant steel--specifications; Corrosive service applications; Fusion-bonded epoxy-coated steel materials; H-piles; Organic coatings--specifications; Sheet piling; Structural steel (SS) piles--specifications;

ICS Code

ICS Number Code 77.140.50 (Flat steel products and semi-products); 77.140.60 (Steel bars and rods)

DOI: 10.1520/A0950_A0950M-11

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