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JIS STKM12C vs JIS STKM16A
Property comparison of JIS STKM12C and JIS STKM16A, both carbon steel.
| Property | JIS STKM12C | JIS STKM16A | Difference |
|---|---|---|---|
| Yield strength | 355 MPa | 325 MPa | -8% |
| Tensile strength | 470 MPa | 510 MPa | +9% |
| Elongation | 20 % | 20 % | 0% |
| 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 | 65.4 W/m·K | 65.4 W/m·K | 0% |
| Specific heat | 457 J/kg·K | 457 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 STKM16A relative to JIS STKM12C. 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 STKM12C
- standard
- JIS
JIS STKM16A
- standard
- JIS
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