ASTM-A242 2009(Redline)

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A242/A242M-04(2009) Standard Specification for High-Strength Low-Alloy Structural Steel (Redline)

Published By	Publication Date	Number of Pages
ASTM	2009	3

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Categories: 77.140.10 - Heat-treatable steels, ASTM

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Description

Abstract

This specification covers high-strength low-alloy structural steel shapes, plates, and bars for welded, riveted, or bolted construction intended primarily for use as structural members where savings in weight (mass) or added durability are important. Steel specimens shall be semi-killed or killed. Heat analysis shall be performed wherein steel specimens shall conform to required chemical compositions of carbon, manganese, phosphorus, sulfur, and copper. Atmospheric corrosion resistance shall be estimated for steel specimens. Specimens shall also undergo tension tests and shall conform to specified values of tensile strength, yield point, and elongation.

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 high-strength low-alloy structural steel shapes, plates, and bars for welded, riveted, or bolted construction intended primarily for use as structural members where savings in weight [mass] or added durability are important. The atmospheric corrosion resistance of the steel in most environments is substantially better than that of carbon structural steels with or without copper addition. When properly exposed to the atmosphere, this steel can be used bare (unpainted) for many applications (see Note 1). This specification is limited to material up to 4 in. [100 mm], inclusive, in thickness.

Note 1—For methods of estimating the atmospheric corrosion resistance of low-alloy steels, see Guide G 101.

1.2 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized. See Appendix X3 of Specification A 6/A 6M for information on weldability.

1.3 The values stated in either inch-pound units or SI units are to be regarded as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

1.4 For structural products produced from coil and furnished without heat treatment or with stress relieving only, the additional requirements, including additional testing requirements and the reporting of additional test results, of Specification A 6/A 6M apply.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

A6/A6M Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling G101 Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels

Keywords

atmospheric corrosion resistance; bars; bolted construction; durability; high-strength; low-alloy; plates; riveted construction; shapes; steel; structural steel; weight; welded construction, Basic-oxygen steel; Corrosion-resistant steel–specifications; Corrosive service applications–bars/rods/shapes; Durability; HSLA (high-strength low-alloy) steel–specifications; Riveted construction–specifications; Steel bars–specifications; Structural steel (SS) bars–specifications; Structural steel (SS) plate–specifications; Structural steel (SS) shapes–specifications; Weight saving steel; Welded steel bars/shapes–specifications; Welded steel plate/sheet/strip–specifications;

ICS Code

ICS Number Code 77.140.10 (Heat-treatable steels)

DOI: 10.1520/A0242_A0242M-04R09

Additional information

Standard Title	A242/A242M-04(2009) Standard Specification for High-Strength Low-Alloy Structural Steel (Redline)
Published Code	ASTM
Publication Date	2009
Pages Count	3
ICS Codes	77.140.10 - Heat-treatable steels

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ASTM-A242 2009(Redline)

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