steel pipe welding neck flange
Welding flanges can also be used to transport expensive flammable and explosive items in medium pipelines. The use of Steel Pipe Welding Neck Flange: Flanges are mainly used for pipe connection. Various flanges are installed on the pipelines to be connected. Material Carbon steel ASTM A105, A350 LF1, LF2, LF3, LF6, CL1/CL2,; A694 F52, F60, F65, F70; A516 Gr. 60, 70; BS-EN 10222-2 P245GH, P280GH; EN10222-4 P355NH, P355QH; EN10273 P250GH, P265GH; DIN 17243 C22.8; VD-TUEV350/3 C21; GB/T 1591 Q345B, Q420B; NB/T 47008 16Mn,20#; BS 10250-2 S235JRG2; Stainless steel ASTM A182 F304/304L, F316/316L, F316H, F304H, F321H, F310, …
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