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JIS SCM445 vs JIS SCr430
Property comparison of JIS SCM445 and JIS SCr430, both carbon steel.
| Property | JIS SCM445 | JIS SCr430 | Difference |
|---|---|---|---|
| Yield strength | 680 MPa | 570 MPa | -16% |
| Tensile strength | 860 MPa | 770 MPa | -10% |
| Elongation | 12 % | 14 % | +17% |
| Elastic modulus | 206,000 MPa | 206,000 MPa | 0% |
| Shear modulus | 80,000 MPa | 80,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,860 kg/m³ | 7,860 kg/m³ | 0% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 464 J/kg·K | 457 J/kg·K | -2% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | 0% |
| Melting point | 1,480 °C | 1,480 °C | 0% |
Difference is JIS SCr430 relative to JIS SCM445. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
JIS SCM445
- standard
- JIS
JIS SCr430
- standard
- JIS
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