ASTM A1040-10 Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels
Did you mean AISI 1040?
AISI 1040 is a carbon steel with a nominal carbon content of 0.4%
It is available in the hot rolled, cold rolled, or forged condition. It can be "as rolled", normalized, annealled, or quenched and tempered. The mechanical properties are going to be different in each case.
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