The threaded pipe flange is connected to a pipe with a external thread on the pipe end.We mainly produce threaded flange according to ANSI/ASME B16.5,EN1092-1,BS4504,DIN,UNI,BS 10 etc standards.

1/2″-24″ UNI PN16 ASTM A182 F304 RF Threaded Flange

UNI PN16 ASTM A182 F304 RF Threaded Flange Size:

1/2″-24″,DN15-DN600.

1/2″-24″ UNI ASTM A182 F304 RF Threaded Flange Pressure:

PN6,PN16.

1/2″-24″ UNI PN16 ASTM A182 F304 Threaded Flange Sealing Face:

Raised Face(RF),Flat Face(FF),Ring Type Joint(RTJ).

1/2″-24″ UNI PN16 RF Threaded 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 Application:

Water Treatment, Shipbuilding industry, sea Platform, Petrochemical & Gas industry, Power plant, Valve industry, Construction, Chemical industry, General piping system etc.

Haihao Group Flange Products Application

Hebei Haihao has more than 30 years of experience to produce threaded flange and other products.We have advanced production lines. Products are manufactured by forging, cold pressing, cold forming, hot extrusion, heat treatment, polishing, rubbing, machining and chrome finishing. If you have any requirements about threaded flange and other types of flange,welcome to contact us.