Pure Aluminum (Al 99.99%) vs Pure Chromium (Cr 99.9%+)
Property comparison of Pure Aluminum (Al 99.99%) and Pure Chromium (Cr 99.9%+), both pure metal.
| Property | Pure Aluminum (Al 99.99%) | Pure Chromium (Cr 99.9%+) | Difference |
|---|---|---|---|
| Yield strength | 10 MPa | 131 MPa | +1210% |
| Tensile strength | 45 MPa | 550 MPa | +1122% |
| Elongation | 50 % | 0 % | -100% |
| Elastic modulus | 69,000 MPa | 279,000 MPa | +304% |
| Poisson ratio | 0.33 | 0.21 | -36% |
| Density | 2,700 kg/m³ | 7,190 kg/m³ | +166% |
| Thermal conductivity | 235 W/m·K | 67 W/m·K | -71% |
| Specific heat | 900 J/kg·K | 460 J/kg·K | -49% |
| Coefficient of thermal expansion | 0.000023 1/K | 0.000006 1/K | -73% |
| Melting point | 660 °C | 1,875 °C | +184% |
Difference is Pure Chromium (Cr 99.9%+) relative to Pure Aluminum (Al 99.99%). 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
- 1199 / super-pure
- standard
- CRC Handbook of Chemistry and Physics
- heat treatment
- annealed
- grade
- electrolytic chromium
- standard
- ESPI Metals chromium technical data / AZoM ArticleID 594
- heat treatment
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