ASTM A148/A148M REV A Standard Specification for Steel Castings, High Strength, for Structural Purposes
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ASTM International
Standard Specification for Steel Castings, High Strength, for Structural Purposes
N A148/A148M REV A
Annotation
This specification covers carbon steel, alloy steel, and martensitic stainless steel castings that are to be subjected to higher mechanical stresses than those covered in Specification A27/A27M.
Several grades of steel castings are covered, having the chemical composition and mechanical properties prescribed in Tables 1 and 2.
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.
Within the text, the SI units are shown in brackets.
*A Summary of Changes section appears at the end of this standard
Автоматический перевод:
Стандартная спецификация для стальных отливок, высокой прочности, в структурных целях
Эта спецификация покрывает углеродистую сталь, легированную сталь и отливки мартенситной нержавеющей стали, которые должны быть подвергнуты более высоким механическим напряжениям, чем покрытые Спецификацией A27/A27M.
