EN 1.0038 Steel vs. SAE-AISI 1055 Steel
Both EN 1.0038 steel and SAE-AISI 1055 steel are iron alloys. Their average alloy composition is basically identical. 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 1.0038 steel and the bottom bar is SAE-AISI 1055 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 120 | |
| 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 23 to 25 | |
| 11 to 14 |
| Fatigue Strength, MPa | 140 to 160 | |
| 260 to 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 240 to 270 | |
| 440 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 430 | |
| 730 to 750 |
| Tensile Strength: Yield (Proof), MPa | 200 to 220 | |
| 400 to 630 |
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 | 49 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 18 |
| Embodied Water, L/kg | 48 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 72 to 88 | |
| 80 to 85 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 130 | |
| 440 to 1070 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 15 | |
| 26 |
| Strength to Weight: Bending, points | 15 to 16 | |
| 23 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 12 to 13 | |
| 23 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.23 | |
| 0.5 to 0.6 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.6 | |
| 0 |
| Iron (Fe), % | 97.1 to 100 | |
| 98.4 to 98.9 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0 to 0.080 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0 to 0.014 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.55 | |
| 0 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.050 |