Hastelloy B-3 vs Hastelloy C-22
Property comparison of Hastelloy B-3 and Hastelloy C-22, both nickel alloy.
| Property | Hastelloy B-3 | Hastelloy C-22 | Difference |
|---|---|---|---|
| Yield strength | 421 MPa | 403 MPa | -4% |
| Tensile strength | 862 MPa | 802 MPa | -7% |
| Elongation | 53 % | 57 % | +8% |
| Elastic modulus | 216,000 MPa | 206,000 MPa | -5% |
| Poisson ratio | 0.3 | 0.31 | +3% |
| Density | 9,220 kg/m³ | 8,690 kg/m³ | -6% |
| Thermal conductivity | 11.2 W/m·K | 9.6 W/m·K | -14% |
| Specific heat | 373 J/kg·K | 410 J/kg·K | +10% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000012 1/K | +17% |
| Melting point | 1,393 °C | 1,378 °C | -1% |
Difference is Hastelloy C-22 relative to Hastelloy B-3. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- B-3
- standard
- Haynes International Datasheet H-2106
- heat treatment
- Annealed
- grade
- C-22
- standard
- Haynes International Datasheet H-2019
- heat treatment
- Annealed
About Hastelloy nickel-molybdenum superalloys
Hastelloy is a family of nickel-molybdenum-chromium alloys built for severe corrosion service. C-276 is the workhorse for chemical process equipment and handles wet chlorine, hypochlorite, and ferric chloride. B-series grades focus on hydrochloric acid resistance.
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