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9NI 4CO 0.20C vs 9NI 4CO 0.30C
Property comparison of 9NI 4CO 0.20C and 9NI 4CO 0.30C, both carbon steel.
| Property | 9NI 4CO 0.20C | 9NI 4CO 0.30C | Difference |
|---|---|---|---|
| Yield strength | 1,193 MPa | 1,310 MPa | +10% |
| Tensile strength | 1,282 MPa | 1,517 MPa | +18% |
| Elastic modulus | 198,569 MPa | 196,501 MPa | -1% |
| Density | 7,833 kg/m³ | 7,750 kg/m³ | -1% |
| Thermal conductivity | 24.6 W/m·K | 23 W/m·K | -7% |
| Specific heat | 457 J/kg·K | 460 J/kg·K | +1% |
Difference is 9NI 4CO 0.30C relative to 9NI 4CO 0.20C. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
9NI 4CO 0.20C
- grade
- 9Ni-4Co-0.20C
- standard
- MIL-HDBK-5J
- heat treatment
- Quenched and tempered
9NI 4CO 0.30C
- grade
- 9Ni-4Co-0.30C
- standard
- MIL-HDBK-5J
- heat treatment
- Quenched and tempered
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