ASTM A302 Alloy Steel vs. AISI 205 Stainless Steel
Both ASTM A302 alloy steel and AISI 205 stainless steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is AISI 205 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 190 | |
| 210 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 20 to 23 | |
| 11 to 51 |
| Fatigue Strength, MPa | 250 to 280 | |
| 410 to 640 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 370 to 390 | |
| 560 to 850 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 800 to 1430 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 450 to 1100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 880 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1380 |
| Melting Onset (Solidus), °C | 1420 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Expansion, µm/m-K | 13 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 11 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 37 |
| Embodied Water, L/kg | 48 to 50 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 150 to 430 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 510 to 3060 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 26 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 29 to 52 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 25 to 37 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 16 to 29 |