SAE-AISI 1090 Steel vs. EN 1.5501 Steel
Both SAE-AISI 1090 steel and EN 1.5501 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is SAE-AISI 1090 steel and the bottom bar is EN 1.5501 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 220 to 280 | |
120 to 150 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 | |
12 to 17 |
Fatigue Strength, MPa | 320 to 380 | |
180 to 270 |
Poisson's Ratio | 0.29 | |
0.29 |
Reduction in Area, % | 28 to 45 | |
63 to 73 |
Shear Modulus, GPa | 72 | |
73 |
Shear Strength, MPa | 470 to 570 | |
270 to 310 |
Tensile Strength: Ultimate (UTS), MPa | 790 to 950 | |
390 to 510 |
Tensile Strength: Yield (Proof), MPa | 520 to 610 | |
260 to 420 |
Thermal Properties
Latent Heat of Fusion, J/g | 240 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
400 |
Melting Completion (Liquidus), °C | 1450 | |
1460 |
Melting Onset (Solidus), °C | 1410 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 50 | |
52 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
7.0 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
8.1 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
1.8 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.4 |
Embodied Energy, MJ/kg | 19 | |
18 |
Embodied Water, L/kg | 46 | |
46 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 to 91 | |
40 to 83 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 730 to 1000 | |
190 to 460 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 28 to 34 | |
14 to 18 |
Strength to Weight: Bending, points | 24 to 27 | |
15 to 18 |
Thermal Diffusivity, mm2/s | 13 | |
14 |
Thermal Shock Resistance, points | 25 to 31 | |
11 to 15 |
Alloy Composition
Boron (B), % | 0 | |
0.00080 to 0.0050 |
Carbon (C), % | 0.85 to 1.0 | |
0.13 to 0.16 |
Copper (Cu), % | 0 | |
0 to 0.25 |
Iron (Fe), % | 98 to 98.6 | |
98.4 to 99.269 |
Manganese (Mn), % | 0.6 to 0.9 | |
0.6 to 0.8 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.025 |
Silicon (Si), % | 0 | |
0 to 0.3 |
Sulfur (S), % | 0 to 0.050 | |
0 to 0.025 |