SAE-AISI 1040 Steel vs. EN 1.1151 Steel
Both SAE-AISI 1040 steel and EN 1.1151 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 (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1040 steel and the bottom bar is EN 1.1151 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 to 180 | |
130 to 150 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 13 to 20 | |
21 to 26 |
Fatigue Strength, MPa | 220 to 340 | |
180 to 240 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 350 to 390 | |
300 to 330 |
Tensile Strength: Ultimate (UTS), MPa | 570 to 640 | |
460 to 520 |
Tensile Strength: Yield (Proof), MPa | 320 to 530 | |
240 to 340 |
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 | |
50 |
Thermal Expansion, µm/m-K | 12 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
7.1 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
8.2 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
2.1 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.4 |
Embodied Energy, MJ/kg | 18 | |
19 |
Embodied Water, L/kg | 46 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 to 96 | |
98 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 to 760 | |
160 to 310 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 20 to 23 | |
16 to 18 |
Strength to Weight: Bending, points | 19 to 21 | |
17 to 18 |
Thermal Diffusivity, mm2/s | 14 | |
13 |
Thermal Shock Resistance, points | 18 to 20 | |
15 to 16 |
Alloy Composition
Carbon (C), % | 0.37 to 0.44 | |
0.17 to 0.24 |
Chromium (Cr), % | 0 | |
0 to 0.4 |
Iron (Fe), % | 98.6 to 99.03 | |
97.7 to 99.43 |
Manganese (Mn), % | 0.6 to 0.9 | |
0.4 to 0.7 |
Molybdenum (Mo), % | 0 | |
0 to 0.1 |
Nickel (Ni), % | 0 | |
0 to 0.4 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.035 |
Silicon (Si), % | 0 | |
0 to 0.4 |
Sulfur (S), % | 0 to 0.050 | |
0 to 0.035 |