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JIS SUS420J1 vs JIS SUS431
Property comparison of JIS SUS420J1 and JIS SUS431, both carbon steel.
| Property | JIS SUS420J1 | JIS SUS431 | Difference |
|---|---|---|---|
| Yield strength | 441 MPa | 588 MPa | +33% |
| Tensile strength | 637 MPa | 785 MPa | +23% |
| Elongation | 20 % | 15 % | -25% |
| 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 | 460 J/kg·K | 460 J/kg·K | 0% |
| 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 SUS431 relative to JIS SUS420J1. 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 SUS420J1
- standard
- JIS
JIS SUS431
- standard
- JIS
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