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ASTM A231 / A231M

Abstract

This specification covers round chromium-vanadium alloy steel spring wires having properties andquality intended for the manufacture of springs used at moderately elevated temperatures. Wiresshall either be in the annealed and cold-drawn or oil-tempered condition as specified by thepurchaser. The steel may either be ingot cast or strand cast, and the finished wire shall be free fromdetrimental pipe and undue segregation. Specimens shall undergo cast or heat analysis, and shallconform to required chemical compositions for carbon, manganese, phosphorus, sulfur, silicon,chromium, and vanadium. Wrap tests shall also be performed wherein mechanical properties shallbe assessed for tensile strength requirements. Metallurgical properties, such as the surfacecondition and decarburization, shall be inspected as well. For all test procedures, one specimenshall be taken for each ten coils, or fraction thereof, in a lot. Each cast or heat in a given lot shall betested.

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

1. Scope

1.1 This specification covers round and shaped chromium-vanadium alloy steel spring wire havingproperties and quality intended for the manufacture of springs used at moderately elevatedtemperatures. This wire shall be either in the annealed and cold-drawn or oil-tempered condition asspecified by the purchaser.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately asstandard. The values stated in each system may not be exact equivalents; therefore, each systemshall be used independently of the other. Combining values from the two systems may result innon-conformance with the standard.

1.2.1 Within the text, the inch-pound units are shown in brackets.

2. Referenced Documents (purchase separately)

ASTM Standards

A370 Test Methods and Definitions for Mechanical Testing of Steel Products

A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment

A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products

ASTM A231 / A231M - 10 Standard Specification for Chromium-Vanadium Alloy Steel SpringWire

Active Standard ASTM A231 / A231M | Developed by Subcommittee: A01.03

Book of Standards Volume: 01.03

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Keywords

Chromium-Vanadium Steel - Elevated Temperature Services - High-Temperature Services - SpringSteel - Springs - Steel Wires - Wires, Wire Strands And Wire Ropes

ICS Code

ICS Number Code 77.140.25 (Spring steels)

DOI: 10.1520/A0231_A0231M-10

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ASTM A231 / A231M

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