ASTM International

Standard Specification for Steel Castings, High Strength, for Structural Purposes
 N A148/A148M

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.