... : ASTM, JIS, DIN, ANSI, BS,etc. Stainless Steel Flange Stainless steel flange and carbon steel flange Description: Size: 1/2"-24"Pressure Class ... performancePerfect Quality, On Time Delivery!Materials:Cast steel:ASTM A216 WCB,WCA,WCCStainless steel:CF3,CF3M,CF8,CF8M,CF8C,CF8M,CF10,CF10M ... ,F304,F316,F304L,F316L,etc.Cr-Mo Steel:ASTM A217 WC1,WC6,WC9,C5,C12,C12A,F11 ...