Magnesium Alloy HK31A-T6 vs Magnesium Alloy HM21A-T8
Property comparison of Magnesium Alloy HK31A-T6 and Magnesium Alloy HM21A-T8, both magnesium alloy.
| Property | Magnesium Alloy HK31A-T6 | Magnesium Alloy HM21A-T8 | Difference |
|---|---|---|---|
| Yield strength | 103 MPa | 172 MPa | +67% |
| Tensile strength | 221 MPa | 234 MPa | +6% |
| Elongation | 8 % | 11 % | +38% |
| Elastic modulus | 73,000 MPa | 73,000 MPa | 0% |
| Shear modulus | 26,000 MPa | 26,000 MPa | 0% |
| Poisson ratio | 0.33 | 0.33 | 0% |
| Density | 1,750 kg/m³ | 1,750 kg/m³ | 0% |
| Thermal conductivity | 100 W/m·K | 96 W/m·K | -4% |
| Specific heat | 1,000 J/kg·K | 1,000 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000026 1/K | 0.000026 1/K | 0% |
| Melting point | 600 °C | 540 °C | -10% |
Difference is Magnesium Alloy HM21A-T8 relative to Magnesium Alloy HK31A-T6. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ANSI
- heat treatment
- sand casting
- standard
- ANSI
- heat treatment
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