SAE-AISI 6150 Steel vs. SAE-AISI 1078 Steel
Both SAE-AISI 6150 steel and SAE-AISI 1078 steel are iron alloys. They have a very high 98% of their average alloy composition in common. 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 6150 steel and the bottom bar is SAE-AISI 1078 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 350 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 15 to 23 | |
| 11 to 14 |
| Fatigue Strength, MPa | 300 to 750 | |
| 270 to 350 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 400 to 730 | |
| 440 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1200 | |
| 730 to 780 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1160 | |
| 430 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 46 | |
| 49 |
| Thermal Expansion, µm/m-K | 12 to 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 1.4 |
| Embodied Energy, MJ/kg | 28 | |
| 18 |
| Embodied Water, L/kg | 51 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 180 | |
| 77 to 90 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 3590 | |
| 490 to 860 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 43 | |
| 26 to 28 |
| Strength to Weight: Bending, points | 21 to 32 | |
| 23 to 24 |
| Thermal Diffusivity, mm2/s | 13 | |
| 13 |
| Thermal Shock Resistance, points | 20 to 38 | |
| 25 to 26 |
Alloy Composition
| Carbon (C), % | 0.48 to 0.53 | |
| 0.72 to 0.85 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 0 |
| Iron (Fe), % | 96.7 to 97.7 | |
| 98.5 to 99 |
| Manganese (Mn), % | 0.7 to 0.9 | |
| 0.3 to 0.6 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.050 |
| Vanadium (V), % | 0.15 to 0.3 | |
| 0 |