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weld neck flange

weld neck flange

Date:[2015-10-29]     Hit: weld neck flange

Flange Type:

Weld neck, long weld neck, blind, slip on, socket weld, threaded, lap joint

Flange Facing:

Flat face FF, raised face RF, Ring type joint RTJ


ASMI B16.5, ASME B16.47 Series A ( MSS SP 44), Series B (API 605)

Working Pressure:

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



Material Class:

Group 3.1-3.19

Alloy Material to make Flange: 

Ni-Cr-Fe alloy: alloy  020,.

Ni-Cr alloy: alloy 718, X-750, 80A.

Ni-Cr-Mo alloy: alloy 725, 686,  C-22, C-2000, G-30, G-35.

Ni-Fe-Cr alloy:  alloy 925. 

Ni-Mo alloy: alloy B-2, B-3.

Ni-Mo-Cr alloy: alloy C-276.

Applied Standard for Nickel Alloy Flange:

Industry served: Oil and gas, Chemical and petrochemical,  Power generation,   Marine, Aerospace, Defense. 

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