SAE-AISI L3 Steel vs. EN 1.7725 Steel
Both SAE-AISI L3 steel and EN 1.7725 steel are iron alloys. Their average alloy composition is basically identical. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI L3 steel and the bottom bar is EN 1.7725 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 72 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 600 to 2250 | |
830 to 1000 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
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 | 43 | |
39 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
7.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
8.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.5 | |
2.9 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.9 | |
1.8 |
Embodied Energy, MJ/kg | 27 | |
24 |
Embodied Water, L/kg | 53 | |
54 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 21 to 80 | |
29 to 35 |
Strength to Weight: Bending, points | 20 to 49 | |
25 to 28 |
Thermal Diffusivity, mm2/s | 12 | |
11 |
Thermal Shock Resistance, points | 18 to 67 | |
24 to 29 |
Alloy Composition
Carbon (C), % | 1.0 to 1.1 | |
0.27 to 0.34 |
Chromium (Cr), % | 1.3 to 1.7 | |
1.3 to 1.7 |
Iron (Fe), % | 95.5 to 97.3 | |
95.7 to 97.5 |
Manganese (Mn), % | 0.25 to 0.8 | |
0.6 to 1.0 |
Molybdenum (Mo), % | 0 | |
0.3 to 0.5 |
Phosphorus (P), % | 0 to 0.030 | |
0 to 0.025 |
Silicon (Si), % | 0.1 to 0.5 | |
0 to 0.6 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |
Vanadium (V), % | 0.1 to 0.3 | |
0.050 to 0.15 |