HASTELLOY C276, UNS N10276 is considered the most versatile corrosion resistant nickel alloy available. Alloy C-276 also has excellent resistance to pitting, stress-corrosion cracking, especially suitable for use in high temperature, inorganic and organic acids mixed with impurities (such as formic acid and acetic acid), and seawater corrosive environments.
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What are the characteristics of Hastelloy C276?
- Excellent corrosion resistance in reducing environments
- Exceptional resistance to strong solutions of oxidizing salts, such as ferric and cupric chlorides
- High nickel and molybdenum contents providing good corrosion resistance in reducing environments
- Low carbon content which minimizes grain-boundary carbide precipitation during welding to maintain resistance to corrosion in heat-affected zones of welded joints
- Resistance to localized corrosion such as pitting and stress-corrosion cracking
- One of few materials to withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide
Hastelloy C276 Nickel alloy round bar Chemical Composition, %
Ni |
Mo |
Cr |
Fe |
W |
Co |
Mn |
C |
V |
P |
S |
Si |
Remainder |
15.0-17.0 |
14.5-16.5 |
4.0-7.0 |
3.0-4.5 |
2.5 max |
1.0 max |
.01 max |
.35 max |
.04 max |
.03 max |
.08 max |
ASTM Specifications
Pipe Smls |
Pipe Welded |
Tube Smls |
Tube Welded |
Sheet/Plate |
Bar |
Forging |
Fitting |
Wire |
B622 |
B619 |
B622 |
B626 |
B575 |
B574 |
B564 |
B366 |
|
Hastelloy C276 Physical properties
Melting point: 1325-1370 ℃
Density: 8.90 g/cm3
Alloy C276 Bar Mechanical Properties
Mechanical properties |
Tensile, min, ksi[MPa] |
Yield, min, ksi[MPa] |
Elongation, %(min) |
Hastelloy C276 |
100[690] |
41[283] |
40 |
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 |