431 stainless steel is a metal material, the Maza body stainless steel standard standard AISI, ASTM type, model 431, UNS number S43100 431 Chinese is called matewars stainless steel. CR steel containing NI can obtain high -mechanical properties through heat treatment. The corrosion resistance is better than 410 steel and 430 steel. 431 stainless steel corresponds to China 1CR17NI2, Japan JIS...