Standard Historical Last Updated: Nov 04, 2016 Track Document
ASTM A48/A48M-03(2012)

Standard Specification for Gray Iron Castings

Standard Specification for Gray Iron Castings A0048_A0048M-03R12 ASTM|A0048_A0048M-03R12|en-US Standard Specification for Gray Iron Castings Standard new BOS Vol. 01.02 Committee A04
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Abstract

This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Castings are classified on the basis of the tensile strength of the iron in separately cast test bars. The surface of the casting shall be free of adhering sand, scale, cracks, and hot tears, as determined by visual examination. The test bars are designated into S, A, B, and C categories, according to the thickness of its controlling wall section. The casting shall be subjected to a tension test to determine its tensile strength.

Scope

1.1 This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Castings are classified on the basis of the tensile strength of the iron in separately cast test bars.

1.1.1 This specification subordinates chemical composition to tensile strength.

1.2 Castings produced to this specification are graded on the basis of minimum tensile strength obtained in special test coupons designed to standardize cooling rate. The tensile strength developed in certain casting sections may vary from test coupon values (see X1.2).

1.3 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.

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Details
Book of Standards Volume: 01.02
Developed by Subcommittee: A04.01
Pages: 6
DOI: 10.1520/A0048_A0048M-03R12
ICS Code: 77.140.80