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B16.47 Class 150 22″-48″ ASTM A182 F304 Weld Neck Flange

B16.47 Class 150 22″-48″ ASTM A182 F304 Weld Neck Flange

  • Introduction:Weld neck flange standard:
  • ANSI/ASME B16.47.Pressure:class 150,
  • class300,class400,class600,class900.Size:1/2"-24".
  • Material:stainless steel(ASTM A182 F304),
  • carbon steel,alloy steel.

Followings are the definition, information and application of  various types of flanges:

Weld Neck Flange Slip On Flange Blind Flange Threaded Flange
Plate/Plain Flange Socket Weld Flange Orifice Flange Spectacle Blind Flange
Lap Joint/Loose Flange Long Weld Neck Flange Reducing Flange Rolled-Forging Ring Flange
Flange-Olet Tube Sheet/Tubesheet Anchor Flange Non-Standard/Custom Flange

Hebei Haihao as a first flange manufacturer of weld neck flange (WN) according to ANSI/ASME B16.5,ANSI/ASME B16.47,BS4504,EN1092-1,DIN,JIS B2220,SABS/SANS 1123,GOST/ГОСТ 12821-80,MSS SP-44,API,UNI,KS B1503,HG20595 etc.

B16.47 Class 150 22″-48″ ASTM A182 F304 Weld Neck Flange

B16.47 Class 150 ASTM A182 F304 Weld Neck Flange Size:22″-48″.

B16.47 22“-48” ASTM A182 F304 Weld Neck Flange Pressure:


B16.47 Class 150 22″-48″ Weld Neck 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.


We mainly manufacture weld neck flange and other types of flange have more 30 years of experience.We have a complete set of equipments including advanced cutting,forging,machining,drilling machines and professional testing & inspection instruments.Welcome to contact us when you have any need about all kinds of weld neck flange.