ASTM A302 Alloy Steel vs. Grade 7 Babbitt Metal
ASTM A302 alloy steel belongs to the iron alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is grade 7 Babbitt Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 190 | |
| 23 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 26 |
| Poisson's Ratio | 0.29 | |
| 0.4 |
| Shear Modulus, GPa | 73 | |
| 9.1 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 25 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 48 |
| Melting Completion (Liquidus), °C | 1460 | |
| 270 |
| Melting Onset (Solidus), °C | 1420 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 150 |
| Thermal Expansion, µm/m-K | 13 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 23 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 4.4 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 62 |
| Embodied Water, L/kg | 48 to 50 | |
| 880 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 12 |
| Stiffness to Weight: Axial, points | 13 | |
| 1.4 |
| Stiffness to Weight: Bending, points | 24 | |
| 9.6 |