B564 UNS N04400 ASME B16.9 Class 150 WNRF Flange size:12'' X SCH 20

Brand Name:YUHONG
Certification:API ,PED
Model Number:Monel 400 / UNS N04400
Minimum Order Quantity:1 PC
Delivery Time:one week
Payment Terms:L/C AT SIGHT, T/T
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Location: Ningbo Zhejiang China
Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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Product Details
B564 UNS N04400 WNRF Flange 12'' X SCH 20, CLASS 150, ASME B16.9

Weld Neck Flanges


Weld Neck Flanges are a very common type of pipe flanges used in various industrial applications. They have a long tapered hub and are often used for high pressure applications.

We are a fast growing organization, engaged in manufacturing, supply and export of welding neck flanges, industrial weld neck flanges and forged flanges. Our weld neck flanges are drilled with the wall thickness of flange having the same dimensions of pipe. Flanges for heavier pipes have smaller bore, while flanges of lighter pipes have larger bore. These weld neck flanges, industrial weld neck flanges, forged flanges are normally used for high-pressure, cold or hot temperature.


Product Range:

WNRF Flanges Size : 1/8" NB TO 48"NB.

WNRF Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.


Stainless Steel WNRF Flanges: ASTM A 182, A 240

Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750


Carbon Steel WNRF Flanges: ASTM A 105, ASTM A 181


Alloy Steel WNRF Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91


Nickel Alloys WNRF Flanges : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276


Copper Alloys WNRF Flanges: Copper, Brass & Gunmetal


WNRF Flanges Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10


Value Added Services

  • Hot Dip Galvanizing ,
  • Epoxy Coating.

Test Certificate

Manufacturer Test Certificate as per EN 10204 / 3.1B


Designs of flanges:
A wide variety of flange designs are available. They are available in various shapes and sizes. Some of the popular designs are as follows:

  • Butt weld
  • Socket weld
  • Captive
  • Split
  • Square
  • Round
  • Rectangle etc.

Custom shapes and sizes are also manufactured by numerous manufacturers. Various pipe flanges include machining details such as gasket surfaces, facing details, non-standard drilling, bevel and radius edges, o-ring grooves and raised or recessed faces. Some typical designs on flanges faces are shown below.


Raised FaseChamfer
Counter BoreO-Ring Groove
RadiusGasket Surface



Applications of pipe flanges:
Pipe flanges are widely used in pipe fittings of various industrial, commercial and residential applications. Pipe flanges can be customized to suit your application with various machining details. These pipe flanges have been used extensively in:

  • UHV applications
  • Hydraulic control systems for turbine generators
  • High pressure ground support missile systems
  • Nuclear and conventional power plant applications etc.

China B564 UNS N04400 ASME B16.9 Class 150 WNRF Flange size:12'' X SCH 20 supplier

B564 UNS N04400 ASME B16.9 Class 150 WNRF Flange size:12'' X SCH 20

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