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F316L Stainless Steel WN Flange CL600

Standards and application Referred for WN flange and application

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Standards Referred for WN flange

Material Standards
  • ASTM A105/N For carbon steel weld neck flange
  • ASTM A182 F11, F22 for alloy steel
  • ASTM A182 F304 / F304L, F316 / F316L for stainless steel weld neck flange.
Manufacturing Standards
  • ASME B16.5
  • ASME B16.47
  • BS 3293
  • DIN 2630 PN 1 and PN 2.5, 2631 PN 6, 2632 PN 10, 2634 PN 16, 2634 PN 25, 2635 PN 40

Applications and Features

Weld neck flange mainly used in medium, high pressure pipes connecting, most butt weld flange with neck also called nipple flange.

Therefore, the installation cost of the welding flange, labor costs and auxiliary materials costs are higher, because there is more than one process.

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