... : ASME, GB, DIN, JIS 4.Material : A105... Steel Flange Type Weld Neck,Slip-On,Blind,Socket Weld,Lap ... #,400#,600#,900#,1500#,2500#,3000# Specification Carbon Steel ASTM A105/A694 F42/46/52/60/A350 LF2 ... Stainless Steel ASTM A182 F304/304L/316/316L Alloy Steel ASTM A182 F1/F5/F9 ... F11/F22/F91/Etc. Duplex stainless steel ASTM A182 F51/F53/F55/F60 Nicke alloys Nickel 200, Monel 400, Inconel ...