Hastelloy C-276 / N10276

Other common names: Alloy C276, Hastelloy C, Inconel® C-276

Hastelloy C-276 is a Nickel-Molybdenum-Chromium alloy with the addition of Tungsten, has excellent corrosion resistance in a wide range of corrosive media and is especially resistant to pitting and crevice corrosion.

 

ASTM Specifications

Chemical Composition of Hastelloy C-276

The compositional range for Hastelloy C-276 is provided in the table below.

Element	Content
Ni	55 %
Mo	15 - 17 %
Cr	14.5 - 16.5 %
Fe	4 - 7 %
W	3 - 4.5 %

Availability :
Alloy C 276 is available as round / flat / sheet / hexagonal / plate/ square / coil / pipe & fittings.

 

Mechanical Properties
Typical Room Temperature Tensile Properties of Annealed Material

Product Form	Tensile (ksi)	.2% Yield (ksi)	Elongation %
Bar	110.0	52.6	62
Plate	107.4	50.3	67
Sheet	115.5	54.6	60
Tube & Pipe	105.4	45.4	70

 

In what applications is Hastelloy C-276 used?

• Pollution control stack liners, ducts, dampers, scrubbers, stack-gas reheaters, fans and fan housings
• Flue gas desulfurization systems
• Chemical processing components like heat exchangers, reaction vessels, evaporators, and transfer piping
• Sour gas wells
• Pulp and paper production
• Waste treatment
• Pharmaceutical and food processing equipment

Fabrication with Hastelloy C-276

Hastelloy C-276 alloy can be forged, hot-upset and impact extruded. Although the alloy tends to work-harden, you can have it successfully 

Relevant Standards

Hastelloy C-276 is covered by the following standards:

•         ASTM B619

•         ASTM B574

 

Equivalent Materials

Hastelloy C-276 is the tradename of Special Metals Group of Companies and equivalent to:

•         W.NR 2.4819

•         UNS N10276

•         AWS 054

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