EN 1.4104 Stainless Steel vs. ASTM A225 Steel
Both EN 1.4104 stainless steel and ASTM A225 steel are iron alloys. There are 30 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 EN 1.4104 stainless steel and the bottom bar is ASTM A225 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 11 to 23 | |
| 21 to 23 |
| Fatigue Strength, MPa | 230 to 310 | |
| 330 to 390 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 400 to 450 | |
| 390 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 750 | |
| 620 to 830 |
| Tensile Strength: Yield (Proof), MPa | 350 to 560 | |
| 460 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 860 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 25 | |
| 52 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.5 | |
| 2.3 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 1.8 |
| Embodied Energy, MJ/kg | 30 | |
| 24 to 25 |
| Embodied Water, L/kg | 120 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 77 to 120 | |
| 120 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 800 | |
| 580 to 820 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 27 | |
| 22 to 29 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 21 to 25 |
| Thermal Diffusivity, mm2/s | 6.7 | |
| 14 |
| Thermal Shock Resistance, points | 22 to 27 | |
| 18 to 24 |