Astm b61 assn std single material response overall or mil-b-16541 mil spec single material response overall
Mil-b-16541 mil spec 1st material response overall or qq-c-390,alloy c90300 fed spec 2nd material response overall
Mil-b-16541 mil spec 1st material response body and qq-c-390 fed spec 2nd material response body
Mil-b-16541 mil spec 1st material response body or qq-c-390,cl 4 fed spec 2nd material response body