Buffalo Flange Inc.

  • USA manufacturer of in-stock, standard, and custom flanges
  • In accordance to: ASTM / JIS / MSS / API / DIN / British / Military / Coast Guard & more
  • Wide range of materials: Carbon Steel / Stainless Steel / High Strength Steel / Galvanized / Chrome Molybdenum
  • Approved supplier for: Alyeska Pipeline Services / ARCO / ARCO Pipeline / BP Exploration (Alaska) / Inc. British Petroleum / Chevron Texaco / E.I. DuPont de Nemours & Co. / Enron / Explorer Pipeline / Fisher Rosemount / Inc. Phillips Petroleum / Pemex / Phillips Alaska / Inc. Shaw Industries / Texaco / Union Carbide / Word Industries

Appendix -Flanges / Fittings

TYPE RANGE GRADE
Carbon Steel Flanges 1/4" -120" A 105/A350LF2/A694/F52/A694F60
Stainless Steel 1/2" -80" A182 F316/316L -F304/304L
Duplex / Super Duplex / Inconel / Monel / Hastelloy / Titanium / Cladded / Cu-Ni 1/2" -80" A182 F51/ F55

TYPE RANGE GRADE
Carbon Steel Fittings 1/4" –80" A234 WPB/A420 WPL6/WPHY52/65/70/75
Carbon Steel Forged Fittings 1/4" -6" A 105/A350 LF2
Stainless Steel BW Fittings 1/2" -80" A403 WP304/304L/ WP316/316L
Stainless Steel Forged Fittings 1/4" -6" A182 F316/316L/ F304/304L
Duplex / Super Duplex / Inconel / Monel / Hastelloy / Titanium / Cladded / Cu-Ni 1/2" -80" A815 UNS S31803/ UNS S32750 / Inconel625 etc.

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