... ASTM, JIS, DIN, ANSI, BS,etc. Stainless Steel Flange Stainless steel flange and carbon steel flange Description: Size: 1/2"-24"Pressure Class: 150-2500LB ... OD: up to 5,500mmType: Socket-weld,Welding neck,Slip on etcUsed in:Oil Field, Offshore, Gasoline, Water Systerm, ... for stainless performancePerfect Quality, On Time Delivery!Materials:Cast steel:ASTM A216 WCB,WCA,WCCStainless steel:CF3,CF3M,CF8,CF8M ...