... such as Welding Neck Flange, Slip on Flange, Threaded Flange, Socket Welding Flange, Blind Flange, Orifice Flange, Ring Joint Flanges, Long ... iron castings with machining such as electromotor parts, valves parts, pump parts, vehicle parts, marine parts and other machinery parts, materials are as follows: 1. Ductile ... 20,25,30,35,40,45,50; ASTM A126 Class B; DIN GG10,GG15,GG20,GG25,GG30,GG35; JIS FC10, ...