ASTM A302 Alloy Steel vs. Grade 350 Maraging Steel
Both ASTM A302 alloy steel and grade 350 maraging steel are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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 350 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 23 | |
| 4.1 to 18 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Shear Strength, MPa | 370 to 390 | |
| 710 to 1400 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 1140 to 2420 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 830 to 2300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1470 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 450 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 39 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 5.6 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 74 |
| Embodied Water, L/kg | 48 to 50 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 98 to 190 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 38 to 82 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 29 to 49 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 35 to 74 |