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BS CR4GP vs D6ac
Property comparison of BS CR4GP and D6ac, both carbon steel.
| Property | BS CR4GP | D6ac | Difference |
|---|---|---|---|
| Yield strength | 140 MPa | 1,310 MPa | +836% |
| Tensile strength | 280 MPa | 1,482 MPa | +429% |
| Elastic modulus | 206,000 MPa | 199,948 MPa | -3% |
| Shear modulus | 80,000 MPa | 75,842 MPa | -5% |
| Poisson ratio | 0.3 | 0.32 | +7% |
| Density | 7,860 kg/m³ | 7,833 kg/m³ | 0% |
| Specific heat | 454 J/kg·K | 464 J/kg·K | +2% |
Difference is D6ac relative to BS CR4GP. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
BS CR4GP
- standard
- BS
- grade
- —
- heat treatment
- —
D6ac
- standard
- MIL-HDBK-5J
- grade
- D6AC
- heat treatment
- Quenched and tempered
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