We mainly produce socket weld flange according to standard ANSI/ASME B16.5,EN1092-1.Socket weld flange is like a slip on flange ,it is used specially for small sizes piping systems. The socket welding connection is on kind of pipe end for fillet welding.

ANSI B16.5 A182 F304 Class300 4inch Socket Weld Flange

ANSI B16.5 A182 F304 4inch Socket Weld Flange Pressure:

class150,class300,class600,class1500.

ANSI B16.5 A182 F304 Class300 Socket Weld Flange Size:

1/2″-24″,DN15-DN600.

ANSI B16.5 Class300 4inch Socket Weld Flange Material:

Carbon steel:  ASTM A105, A181, ASTM A516 GR.60, GR.70, ASTM A694 F42, F46, F52, F56, F60, F65, F70, ST37, ST45.8, C22.8, S235, S235JRG2, P235GH, P245GH, P250GH, P265GH, P355GH, S355J2, 16MN, 20MN, Q235, 20#, CT20, SS400.

Stainless steel:  ASTM A182 F304, F304L, F316, F316L, F321, F321H, F304H, F316H, F347H, 1.4301, 1.4306, 1.4401, 1.4404, 1.4541, 1.4571, SUS304, SUS316.

Alloy Steel:   ASTM A350 LF2, CL1/CL2, ASTM A182 F5, F9, F11, F12, F22, F91.

Duplex Steel:  S31803  /  F51  /  S32205  /  F60  /  1.4462

Super Duplex:  S32750  /  F53  /  1.4410  /  S32760  /  F55  /  1.4501

Haihao Group Flange Products Certificate:

BS EN10204 3.1 MTC,ABS,PED 97-23-EC,CE,ISO,API approved.

Haihao Group Flange Products Certificate

Hebei Haihao group is a professional manufacture factory specialized in producing socket weld flange and other pipe fittings.We have a complete set of equipment including advanced cutting,forging,machining,drilling machines and professional testing & inspection instruments.If you have any requirements about socket weld flange and other products,please contact us.