ASTM A203 Steel vs. S17700 Stainless Steel
Both ASTM A203 steel and S17700 stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM A203 steel and the bottom bar is S17700 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 180 to 430 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 22 to 26 | |
| 1.0 to 23 |
| Fatigue Strength, MPa | 210 to 280 | |
| 290 to 560 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 330 to 370 | |
| 740 to 940 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 1180 to 1650 |
| Tensile Strength: Yield (Proof), MPa | 290 to 390 | |
| 430 to 1210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 890 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 52 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 to 7.6 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 to 8.7 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.2 to 4.0 | |
| 13 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.6 to 1.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 21 to 23 | |
| 40 |
| Embodied Water, L/kg | 50 to 52 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 15 to 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 410 | |
| 460 to 3750 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 42 to 59 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 32 to 40 |
| Thermal Diffusivity, mm2/s | 14 | |
| 4.1 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 39 to 54 |