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ASTM A48/A48M, 2022 Edition – Standard Specification for Gray Iron Castings
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.
This specification subordinates chemical composition to tensile strength.
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).
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 nonconformance with the standard.
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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|Publisher||ASTM International (ASTM)|
01.02: Ferrous Castings; Ferroalloys
Volume 01.02 includes standards that describe the property requirements of steel castings used for general applications, structural purposes, and high-temperature and low-temperature service. It also features alloy-casting specifications for castings made of nickel and chromium alloys.
Other standards detail the property and testing requirements for gray and white iron castings, cast iron pipe and fittings, and ductile iron castings.
This volume also includes standards on radiographic examination of castings to be used with ASTM’s standard reference radiographs.