ASTM A225 Steel vs. EN 1.4945 Stainless Steel
Both ASTM A225 steel and EN 1.4945 stainless 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 ASTM A225 steel and the bottom bar is EN 1.4945 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 250 | |
| 200 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 21 to 23 | |
| 19 to 34 |
| Fatigue Strength, MPa | 330 to 390 | |
| 230 to 350 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 390 to 520 | |
| 430 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 830 | |
| 640 to 740 |
| Tensile Strength: Yield (Proof), MPa | 460 to 550 | |
| 290 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 920 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1490 |
| Melting Onset (Solidus), °C | 1420 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 52 | |
| 14 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 3.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 30 |
| Density, g/cm3 | 7.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 5.0 |
| Embodied Energy, MJ/kg | 24 to 25 | |
| 73 |
| Embodied Water, L/kg | 48 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 170 | |
| 130 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 580 to 820 | |
| 210 to 760 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 29 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 21 to 25 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.7 |
| Thermal Shock Resistance, points | 18 to 24 | |
| 14 to 16 |