24 inch RTJ 900LBS SCH100 A105 ASME B16.5 Weld Neck Flange

24 inch RTJ 900LBS SCH100 A105 ASME B16.5 Weld Neck Flange

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

Haihao Group ANSI/ASME B16.5 standard weld neck(WN) flange sealing face could be raised face(RF), flat face(FF) or Ring Type Joint(RTJ).

24 inch RTJ 900LBS SCH100 A105 ASME B16.5 Weld Neck Flange

24 inch RTJ 900LBS SCH100 A105 ASME B16.5 Weld Neck Flange

Haihao Group Weld Neck Flange Standard:

ANSI/ASME B16.5, ANSI/ASME B16.47, BS4504, BS3293, EN 1092, DIN2631,DIN2632,DIN2633, DIN 2634, DIN2635, DIN2636, DIN2637, DIN2638, JIS B2220, SABS / SANS 1123 , GOST / ГОСТ 12821-80 Flange, MSS SP-44 FLANGE, API 6A, 6B, 6BX weld neck FLANGE, ISO 7005 Weld neck flange. NFE 29203 Weld neck flange, KS B1503 , UNI 2280-67 ,UNI 2281-67 ,UNI 2282-67 ,UNI 2283-67 , UNI 2284-67, HG20595,AS2129.

Haihao ANSI/ASME B16.5 Weld Neck Flange Size:


ANSI/ASME B16.5 Weld Neck Flange Pressure:

Class 75, Class125, Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500,Class 2500.

Haihao ANSI/ASME B16.5 Weld Neck Flange Materials:

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.

ANSI/ASME Weld Neck Flange Coating:

Black paint, Yellow paint, Vanish oil etc.

Haihao Group Flange Products Certificate:




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

Haihao ANSI/ASME B16.5 Weld Neck Flange Application:

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

Hebei Haihao Group as a first class manufacturer of weld neck flange(WN flange) in China,supplys a variety of steel flanges to satisfy our customers’ specifica requirements,which include different size,different schedule,different pressure and different finish faces.Our weld neck flange products are produced strictly according to the required standard. Our raw material for weld neck flanges all are purchased from big steel companies which can make sure the material in a high quality.If you have any requirements about the weld neck flange products, welcome to contact us.