ASTM-A958 › Historical Revision Information
Standard Specification for Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades

ASTM-A958 - 2015 EDITION - SUPERSEDED
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This specification covers carbon and low-alloy steel castings. The steel specimens shall be heat treated and shall conform to the required values of austenitizing temperature and tempering temperature. The steel materials shall conform to the required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, and molybdenum. Tensile tests shall be performed and the steel specimens shall conform to the required values of tensile strength, yield strength, and elongation.

ORDER

Scope

1.1 This specification covers carbon and low-alloy steel castings having chemical analyses similar to that of the standard wrought grades.

1.2 Several classes are covered and are designated by chemical composition as shown in Table 1.

1.3 Options for tensile properties are shown in Tables 2 and 3.

(A) “X” denotes that the properties may be achieved by at least one of the heat treatments referenced in 5. The effect of section thickness should be considered in making grade selections. The heat treatment requirements do not imply that all section thicknesses will be through hardened.
(B) These grades significantly exceed the minimum strength levels; therefore, they may be unsuitable for use due to weldability, and machinability issues.

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

1.4.1 Within the text, the SI units are shown in brackets.

Keywords

ICS Number Code 77.100 (Ferroalloys)

To find similar documents by ASTM Volume:

01.02 (Ferrous Castings; Ferroalloys)

To find similar documents by classification:

77.100 (Ferroalloys Including classification, designation, sampling, chemical analysis, etc.)

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Document Number

ASTM-A958/A958M-15

Revision Level

2015 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Dec. 1, 2015

Document Type

Specification

Page Count

6 pages

Committee Number

A01.18