Tianjin Xinyue Industrial and Trade Co., Ltd.
Tianjin Xinyue Industrial and Trade Co., Ltd.
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A brief introduction to WN Flange

Apr. 28, 2018

WN flange, which is short for weld neck flange, is widely used for oil and gas field, offshore construction, water supply system, shipment building, power station, pipeline project, etc.


Size range: 1/2 to 56 inches (DN15 to DN1400)


Pressure: ANSI class 150 to 2,500


Materials: carbon steel, stainless steel, alloy steel


Standards: API, ANSI, BS, JIS, UNI, MSS and SP


Steel specification:

ASTM A105

ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2

ASTM A516.60

ASTM A694 (F42, F46, F48, F50, F52, F56, F60, F65, F70)

ASTM A182 F304/304L, F316/316L, F316H, F310, F321

ASTM A182 F11, F22,


For more info about weld neck flange, feel free contact us anytime.


weld neck flange-400.jpg

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