ASTM A203 Steel vs. AISI 205 Stainless Steel
Both ASTM A203 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 A203 steel and the bottom bar is AISI 205 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 210 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 22 to 26 | |
| 11 to 51 |
| Fatigue Strength, MPa | 210 to 280 | |
| 410 to 640 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 330 to 370 | |
| 560 to 850 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 800 to 1430 |
| Tensile Strength: Yield (Proof), MPa | 290 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 | 3.2 to 4.0 | |
| 11 |
| Density, g/cm3 | 7.9 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 1.6 to 1.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 21 to 23 | |
| 37 |
| Embodied Water, L/kg | 50 to 52 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 150 to 430 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 410 | |
| 510 to 3060 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 26 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 29 to 52 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 25 to 37 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 16 to 29 |