SAE-AISI 1146 Steel vs. SAE-AISI 50B44 Steel
Both SAE-AISI 1146 steel and SAE-AISI 50B44 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 1146 steel and the bottom bar is SAE-AISI 50B44 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 190 to 200 | |
170 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 13 to 17 | |
22 |
Fatigue Strength, MPa | 240 to 400 | |
250 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 72 | |
73 |
Shear Strength, MPa | 410 to 440 | |
360 |
Tensile Strength: Ultimate (UTS), MPa | 670 to 730 | |
570 |
Tensile Strength: Yield (Proof), MPa | 360 to 630 | |
360 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
410 |
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 | |
46 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
8.2 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
2.0 |
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 | |
48 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 93 to 97 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 340 to 1050 | |
350 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 24 to 26 | |
20 |
Strength to Weight: Bending, points | 22 to 23 | |
20 |
Thermal Diffusivity, mm2/s | 14 | |
12 |
Thermal Shock Resistance, points | 20 to 22 | |
17 |
Alloy Composition
Boron (B), % | 0 | |
0.00050 to 0.0030 |
Carbon (C), % | 0.42 to 0.49 | |
0.43 to 0.48 |
Chromium (Cr), % | 0 | |
0.2 to 0.6 |
Iron (Fe), % | 98.3 to 98.8 | |
97.5 to 98.5 |
Manganese (Mn), % | 0.7 to 1.0 | |
0.75 to 1.0 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.035 |
Silicon (Si), % | 0 | |
0.15 to 0.35 |
Sulfur (S), % | 0.080 to 0.13 | |
0 to 0.040 |