ASTM-A742/A742M 2023(Redline)

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A742/A742M-23a Standard Specification for Steel Sheet, Metallic Coated and Polymer Precoated for Corrugated Steel Pipe (Redline)

Published By	Publication Date	Number of Pages
ASTM	2023

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Categories: 77.140.50 - Flat steel products and semi-products, ASTM

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Description

ASTM A742/A742M-23a

Redline Standard: Standard Specification for Steel Sheet, Metallic Coated and Polymer Precoated for Corrugated Steel Pipe

ASTM A742/A742M

Scope

1.1 This specification covers polymer precoated steel sheet for corrugated steel pipe (CSP) which is coated after metallic coating on continuous lines by coil coating (roller coating or laminating) processes. The metallic coating is either zinc, 55 % aluminum-zinc alloy, or zinc-5 % aluminum-mischmetal alloy. Sheet for this purpose is furnished flat in coils, flat in cut lengths, or corrugated in cut lengths, all being protected by a mill-applied polymer coating on both sides.

1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.3 The following precautionary caveat refers only to the test method portion, Section 9, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

aluminum-mischmetal alloy; aluminum-mischmetal alloy coated; coatings-55 % aluminum-zinc alloy; coatings-metallic; coatings-polymer; coatings-zinc; coatings zinc 5 %; corrugated steel pipe; pipe-corrugated steel; polymer coatings; steel sheet-55 % aluminum-zinc alloy coated; steel sheet-metalic coated; steel sheet-polymer coated; steel sheet-zinc coated; steel sheet-zinc 5 % ;

ICS Code

ICS Number Code 77.140.50 (Flat steel products and semi-products)

DOI: 10.1520/A0742_A0742M-23A

Additional information

Standard Title	A742/A742M-23a Standard Specification for Steel Sheet, Metallic Coated and Polymer Precoated for Corrugated Steel Pipe (Redline)
Published Code	ASTM
Publication Date	2023
ICS Codes	77.140.50 - Flat steel products and semi-products