ASTM A 48/A 48M - 03 (Reapproved 2008) Standard Specification for Gray Iron Castings

American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2008. Published November 2008. 6 р. 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.