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ASTM A537 Class 1 vs ASTM A537 Class 2
Property comparison of ASTM A537 Class 1 and ASTM A537 Class 2, both carbon steel.
| Property | ASTM A537 Class 1 | ASTM A537 Class 2 | Difference |
|---|---|---|---|
| Yield strength | 345 MPa | 415 MPa | +20% |
| Tensile strength | 485 MPa | 550 MPa | +13% |
| Elongation | 22 % | 22 % | 0% |
| Elastic modulus | 200,000 MPa | 200,000 MPa | 0% |
| Shear modulus | 77,000 MPa | 77,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,850 kg/m³ | 7,850 kg/m³ | 0% |
| Thermal conductivity | 63.9 W/m·K | 63.9 W/m·K | 0% |
| Specific heat | 458 J/kg·K | 458 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | 0% |
Difference is ASTM A537 Class 2 relative to ASTM A537 Class 1. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
ASTM A537 Class 1
- grade
- Class 1
- standard
- ASTM A537/A537M
- heat treatment
- Normalized
ASTM A537 Class 2
- grade
- Class 2
- standard
- ASTM A537/A537M
- heat treatment
- Quenched and tempered
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