Hastelloy B-3 vs Hastelloy X
Property comparison of Hastelloy B-3 and Hastelloy X, both nickel alloy.
| Property | Hastelloy B-3 | Hastelloy X | Difference |
|---|---|---|---|
| Yield strength | 421 MPa | 380 MPa | -10% |
| Tensile strength | 862 MPa | 760 MPa | -12% |
| Elongation | 53 % | 44 % | -17% |
| Elastic modulus | 216,000 MPa | 196,000 MPa | -9% |
| Poisson ratio | 0.3 | 0.32 | +7% |
| Density | 9,220 kg/m³ | 8,220 kg/m³ | -11% |
| Thermal conductivity | 11.2 W/m·K | 9.7 W/m·K | -13% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000014 1/K | +30% |
| Melting point | 1,393 °C | 1,308 °C | -6% |
Difference is Hastelloy X 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
- X
- standard
- Haynes International Datasheet H-3009C
- 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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