ASTM A710 Grade A Class 3 vs ASTM A710 Grade B
Property comparison of ASTM A710 Grade A Class 3 and ASTM A710 Grade B, both carbon steel.
| Property | ASTM A710 Grade A Class 3 | ASTM A710 Grade B | Difference |
|---|---|---|---|
| Yield strength | 550 MPa | 515 MPa | -6% |
| Tensile strength | 585 MPa | 585 MPa | 0% |
| Elongation | 20 % | 20 % | 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 | 70.3 W/m·K | 70.3 W/m·K | 0% |
| Specific heat | 454 J/kg·K | 454 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | 0% |
Difference is ASTM A710 Grade B relative to ASTM A710 Grade A Class 3. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- Grade A, Class 3
- standard
- ASTM A710/A710M
- heat treatment
- Precipitation hardened
- grade
- Grade B
- standard
- ASTM A710/A710M
- heat treatment
- Precipitation hardened
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