EN 1.7380 Steel vs. SAE-AISI 1090 Steel
Both EN 1.7380 steel and SAE-AISI 1090 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 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 1.7380 steel and the bottom bar is SAE-AISI 1090 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 170 | |
| 220 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 19 to 20 | |
| 11 |
| Fatigue Strength, MPa | 200 to 230 | |
| 320 to 380 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 72 |
| Shear Strength, MPa | 330 to 350 | |
| 470 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 550 | |
| 790 to 950 |
| Tensile Strength: Yield (Proof), MPa | 290 to 330 | |
| 520 to 610 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 460 | |
| 400 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1450 |
| Melting Onset (Solidus), °C | 1430 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 39 | |
| 50 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.8 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 1.4 |
| Embodied Energy, MJ/kg | 23 | |
| 19 |
| Embodied Water, L/kg | 59 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 98 | |
| 82 to 91 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 280 | |
| 730 to 1000 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 20 | |
| 28 to 34 |
| Strength to Weight: Bending, points | 19 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 11 | |
| 13 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 25 to 31 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.14 | |
| 0.85 to 1.0 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 94.6 to 96.6 | |
| 98 to 98.6 |
| Manganese (Mn), % | 0.4 to 0.8 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.050 |