SAE-AISI 1548 Steel vs. EN 1.1127 Steel
Both SAE-AISI 1548 steel and EN 1.1127 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 1548 steel and the bottom bar is EN 1.1127 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 220 to 250 | |
190 to 230 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 16 | |
14 to 25 |
Fatigue Strength, MPa | 270 to 430 | |
280 to 370 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 72 | |
73 |
Shear Strength, MPa | 440 to 500 | |
420 to 480 |
Tensile Strength: Ultimate (UTS), MPa | 730 to 830 | |
660 to 790 |
Tensile Strength: Yield (Proof), MPa | 420 to 690 | |
410 to 580 |
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 | |
1410 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 51 | |
49 |
Thermal Expansion, µm/m-K | 12 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
8.4 |
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 | |
1.5 |
Embodied Energy, MJ/kg | 19 | |
19 |
Embodied Water, L/kg | 47 | |
49 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 to 99 | |
90 to 140 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 to 1280 | |
440 to 880 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 26 to 30 | |
23 to 28 |
Strength to Weight: Bending, points | 23 to 25 | |
22 to 24 |
Thermal Diffusivity, mm2/s | 14 | |
13 |
Thermal Shock Resistance, points | 23 to 27 | |
21 to 25 |
Alloy Composition
Carbon (C), % | 0.44 to 0.52 | |
0.34 to 0.42 |
Chromium (Cr), % | 0 | |
0 to 0.4 |
Iron (Fe), % | 98 to 98.5 | |
96.6 to 98.1 |
Manganese (Mn), % | 1.1 to 1.4 | |
1.4 to 1.7 |
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 | |
0.15 to 0.35 |
Sulfur (S), % | 0 to 0.050 | |
0 to 0.035 |