EN 1.4903 Stainless Steel vs. ASTM A202 Steel
Both EN 1.4903 stainless steel and ASTM A202 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.4903 stainless steel and the bottom bar is ASTM A202 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 21 | |
| 17 to 18 |
| Fatigue Strength, MPa | 320 to 330 | |
| 240 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Shear Strength, MPa | 420 | |
| 360 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 680 | |
| 590 to 670 |
| Tensile Strength: Yield (Proof), MPa | 500 | |
| 350 to 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 410 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 26 | |
| 52 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 2.1 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 36 | |
| 19 |
| Embodied Water, L/kg | 88 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 93 to 96 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 650 | |
| 330 to 350 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 24 | |
| 21 to 24 |
| Strength to Weight: Bending, points | 22 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 7.0 | |
| 14 |
| Thermal Shock Resistance, points | 23 | |
| 17 to 20 |