ASTM A302 Alloy Steel vs. AISI 201L Stainless Steel
Both ASTM A302 alloy steel and AISI 201L stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 201L stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 190 | |
| 190 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 20 to 23 | |
| 22 to 46 |
| Fatigue Strength, MPa | 250 to 280 | |
| 270 to 530 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 370 to 390 | |
| 520 to 660 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 740 to 1040 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 290 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 880 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1410 |
| Melting Onset (Solidus), °C | 1420 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 39 to 51 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 to 7.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.4 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 12 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 38 |
| Embodied Water, L/kg | 48 to 50 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 210 to 300 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 220 to 1570 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 27 to 37 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 10 to 14 | |
| 4.0 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 16 to 23 |