SAE-AISI 1038 Steel vs. ASTM A225 Steel
Both SAE-AISI 1038 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 (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1038 steel and the bottom bar is ASTM A225 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 180 | |
| 190 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 to 20 | |
| 21 to 23 |
| Fatigue Strength, MPa | 220 to 350 | |
| 330 to 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 370 to 390 | |
| 390 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 640 | |
| 620 to 830 |
| Tensile Strength: Yield (Proof), MPa | 320 to 540 | |
| 460 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 2.3 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.8 |
| Embodied Energy, MJ/kg | 18 | |
| 24 to 25 |
| Embodied Water, L/kg | 46 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 100 | |
| 120 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 to 790 | |
| 580 to 820 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 23 | |
| 22 to 29 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 21 to 25 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 18 to 24 |