Meteorite Iron Kamacite (Fe-7Ni) vs Pure Chromium (Cr 99.9%+)
Property comparison of Meteorite Iron Kamacite (Fe-7Ni) and Pure Chromium (Cr 99.9%+), both pure metal.
| Property | Meteorite Iron Kamacite (Fe-7Ni) | Pure Chromium (Cr 99.9%+) | Difference |
|---|---|---|---|
| Yield strength | 250 MPa | 131 MPa | -48% |
| Tensile strength | 400 MPa | 550 MPa | +38% |
| Elongation | 15 % | 0 % | -100% |
| Elastic modulus | 195,000 MPa | 279,000 MPa | +43% |
| Density | 7,900 kg/m³ | 7,190 kg/m³ | -9% |
| Thermal conductivity | 40 W/m·K | 67 W/m·K | +68% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000006 1/K | -49% |
| Melting point | 1,510 °C | 1,875 °C | +24% |
Difference is Pure Chromium (Cr 99.9%+) relative to Meteorite Iron Kamacite (Fe-7Ni). 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
- Fe-7Ni alpha phase (kamacite)
- standard
- Buchwald "Handbook of Iron Meteorites" (1975) / Smithells Metals Reference Book
- heat treatment
- meteoritic (very slow cooled)
- grade
- electrolytic chromium
- standard
- ESPI Metals chromium technical data / AZoM ArticleID 594
- heat treatment
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