Meteorite Iron Kamacite (Fe-7Ni) vs Pure Iron (Fe 99.9%+)
Property comparison of Meteorite Iron Kamacite (Fe-7Ni) and Pure Iron (Fe 99.9%+), both pure metal.
| Property | Meteorite Iron Kamacite (Fe-7Ni) | Pure Iron (Fe 99.9%+) | Difference |
|---|---|---|---|
| Yield strength | 250 MPa | 170 MPa | -32% |
| Tensile strength | 400 MPa | 270 MPa | -33% |
| Elongation | 15 % | 40 % | +167% |
| Elastic modulus | 195,000 MPa | 208,000 MPa | +7% |
| Density | 7,900 kg/m³ | 7,874 kg/m³ | 0% |
| Thermal conductivity | 40 W/m·K | 75 W/m·K | +88% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | 0% |
| Melting point | 1,510 °C | 1,538 °C | +2% |
Difference is Pure Iron (Fe 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 iron
- standard
- CRC Handbook of Chemistry and Physics / NIST JRes Vol 28
- heat treatment
- annealed
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