The socket welding flange is a flange that is welded to the steel pipe at one end and connected with bolts at the other end. 1) Sealing surface form: raised surface (RF), concave-convex surface (MFM), tongue and groove surface (TG), ring joint surface (RJ) 2) Material: Carbon Steel: ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60 ,F65,F70; Stainless Steel: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8; Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/Ⅲ; 3) Manufacturing standards: ANSI B16.5, HG20619-1997, GB/T9117.1-2000—GB/T9117.4-200, HG20597-1997. 4) Connection method: flange nut, bolt connection. 5) Production process: professional overall forging, forging manufacturing, etc. 6) Processing methods: high-precision CNC lathe turning, ordinary lathe finishing, argon arc welding and other processing. 7) Scope of appli…
