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Hastelloy˘ C-276
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Hastelloy˘ C-276

Available in any of the 'profile options'

This 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.

Hastelloy C-276 is also known as Nicrofer 5716, Superimphy 276, and Inconel C-276.

Chemical Composition Specifications Designations Key Features Typical Applications
Element Min % Max %
Mo 15.00 17.00
Cr 14.50 16.50
Fe 4.00 7.00
W 3.00 4.50
Co 2.50
C 0.01
Si 0.08
Mn 1.00
V 0.35
P 0.04
S 0.03
Ni bal
ISO 15156-3 (NACE MR 0175)
W.Nr 2.4819
UNS N10276
AWS 054
Excellent corrosion resistance in a wide range of corrosive media including, sulphur compounds and chloride ions
Excellent resistance to pitting, crevice corrosion and stress corrosion cracking
Withstands the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide
Good for sea water applications.
Pollution control
Chemical processing
Waste treatment
Marine engineering
Pulp and paper production
Density 8.89 g/cm³ 0.321 lb/in³
Melting Point 1370°C 2500°F
Coefficient of Expansion 11.2 μm/m °C (20 – 100°C) 6.2 x 10-6 in/in °F (70 – 212°F)
Modulus of Rigidity 78.6 kN/mm² 11400 ksi
Modulus of Elasticity 205.5 kN/mm² 29806 ksi
Heat Treatment of Finished Parts
Condition as supplied by Alloy Wire Type Temperature Time (Hr) Cooling
°C °F
Annealed or Spring Temper Stress Relieve 400 – 450 750 – 840 2 Air
Condition Approx. tensile strength Approx. operating temperature
N/mm² ksi °C °F
Annealed 850 – 1050 123 – 152 -200 to +400 -330 to +750
Spring Temper 1300 – 1700 189 – 247 -200 to +400 -330 to +750

The above tensile strength ranges are typical. If you require different please ask.

*Trade name of Haynes International

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