Hastelloy C-22 vs Hastelloy G-35
Property comparison of Hastelloy C-22 and Hastelloy G-35, both nickel alloy.
| Property | Hastelloy C-22 | Hastelloy G-35 | Difference |
|---|---|---|---|
| Yield strength | 403 MPa | 345 MPa | -14% |
| Tensile strength | 802 MPa | 738 MPa | -8% |
| Elongation | 57 % | 60 % | +5% |
| Elastic modulus | 206,000 MPa | 204,000 MPa | -1% |
| Poisson ratio | 0.31 | 0.3 | -3% |
| Density | 8,690 kg/m³ | 8,220 kg/m³ | -5% |
| Thermal conductivity | 9.6 W/m·K | 10 W/m·K | +4% |
| Specific heat | 410 J/kg·K | 450 J/kg·K | +10% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | -1% |
| Melting point | 1,378 °C | 1,347 °C | -2% |
Difference is Hastelloy G-35 relative to Hastelloy C-22. 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
- C-22
- standard
- Haynes International Datasheet H-2019
- heat treatment
- Annealed
- grade
- G-35
- standard
- Haynes International Datasheet H-3084
- 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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