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JIS SUS420J1 vs JIS SUS420J2
Property comparison of JIS SUS420J1 and JIS SUS420J2, both carbon steel.
| Property | JIS SUS420J1 | JIS SUS420J2 | Difference |
|---|---|---|---|
| Yield strength | 441 MPa | 539 MPa | +22% |
| Tensile strength | 637 MPa | 735 MPa | +15% |
| Elongation | 20 % | 12 % | -40% |
| 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 SUS420J2 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 SUS420J2
- standard
- JIS
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