AWS E312 vs. ASTM A209 Steel
Both AWS E312 and ASTM A209 steel are iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is AWS E312 and the bottom bar is ASTM A209 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 25 | |
| 34 |
| Poisson's Ratio | 0.27 | |
| 0.29 |
| Shear Modulus, GPa | 80 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 740 | |
| 420 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 250 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1470 |
| Melting Onset (Solidus), °C | 1360 | |
| 1420 to 1430 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 2.4 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 1.5 |
| Embodied Energy, MJ/kg | 52 | |
| 20 |
| Embodied Water, L/kg | 200 | |
| 47 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 | |
| 15 to 16 |
| Strength to Weight: Bending, points | 24 | |
| 16 to 17 |
| Thermal Shock Resistance, points | 18 | |
| 12 to 14 |