ASTM A736 Grade A is a kind of low Carbon, age-hardening, Ni-Cu-Cr-Mo alloy steel plates material used to fabric pressure vessels. jwvivian98 (at) yahoo (dot) com Skype jw-vivian (at) hotmail (dot) com A736 is divided into two grades or levels : A736 Grade A and A736 Grade C .
ASTM A736 Grade A steel