ASTM A302 Alloy Steel vs. S46500 Stainless Steel
Both ASTM A302 alloy steel and S46500 stainless steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is S46500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 23 | |
| 2.3 to 14 |
| Fatigue Strength, MPa | 250 to 280 | |
| 550 to 890 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Shear Strength, MPa | 370 to 390 | |
| 730 to 1120 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 1260 to 1930 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 1120 to 1810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 780 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 15 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 3.6 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 51 |
| Embodied Water, L/kg | 48 to 50 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 43 to 210 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 44 to 68 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 33 to 44 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 44 to 67 |