Hastelloy C-276 pipe fittings refer to factory-made wrought nickel alloy fittings manufactured to ASTM B366 UNS N10276. It can be designated as CRHC276(corrosion resistant fittings) or WPHC276(ASME pressure fittings). The fittings can be manufactured from pipe or tube of ASTM B619, B622, B626 UNS N10276, plate, sheet or strip of ASTM B575 UNS N10276, forging or bar of ASTM B564, B462, B472, B574 Gr. N10276. The Hastelloy C-276 fittings are mainly furnished in 3 connection types: butt welding, threaded, socket welding, covering a variety of standard specifications.

Dimensional Standards for Hastelloy C-276 Fittings

Standard	Product
ASME B16.9	Hastelloy C-276 butt welding pipe fittings
ASME B16.11	Hastelloy C-276 high pressure forged fittings
MSS SP-43	Hastelloy C-276 butt welding pipe fittings
MSS SP-95	Hastelloy C-276 swage nipples and bull plugs
MSS SP-97	Hastelloy C-276 forged branch outlets

*Hastelloy C-276 fittings shall be solution annealed. The minimum heat treatment temperature shall be 2050°F[1121°C].