EN 1.4640 Stainless Steel vs. ASTM A225 Steel
Both EN 1.4640 stainless steel and ASTM A225 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 EN 1.4640 stainless steel and the bottom bar is ASTM A225 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 200 | |
| 190 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 51 | |
| 21 to 23 |
| Fatigue Strength, MPa | 230 to 250 | |
| 330 to 390 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 440 to 460 | |
| 390 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 650 | |
| 620 to 830 |
| Tensile Strength: Yield (Proof), MPa | 240 to 260 | |
| 460 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 930 | |
| 400 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 52 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 2.3 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.8 |
| Embodied Energy, MJ/kg | 40 | |
| 24 to 25 |
| Embodied Water, L/kg | 150 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 250 to 260 | |
| 120 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 170 | |
| 580 to 820 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 23 | |
| 22 to 29 |
| Strength to Weight: Bending, points | 21 | |
| 21 to 25 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 14 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 18 to 24 |