SAE-AISI 6150 Steel vs. S15700 Stainless Steel
Both SAE-AISI 6150 steel and S15700 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 6150 steel and the bottom bar is S15700 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 350 | |
| 200 to 460 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 15 to 23 | |
| 1.1 to 29 |
| Fatigue Strength, MPa | 300 to 750 | |
| 370 to 770 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 400 to 730 | |
| 770 to 1070 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1200 | |
| 1180 to 1890 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1160 | |
| 500 to 1770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 870 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1410 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 46 | |
| 16 |
| Thermal Expansion, µm/m-K | 12 to 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 15 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 3.4 |
| Embodied Energy, MJ/kg | 28 | |
| 47 |
| Embodied Water, L/kg | 51 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 180 | |
| 17 to 270 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 3590 | |
| 640 to 4660 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 22 to 43 | |
| 42 to 67 |
| Strength to Weight: Bending, points | 21 to 32 | |
| 32 to 43 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.2 |
| Thermal Shock Resistance, points | 20 to 38 | |
| 39 to 63 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.75 to 1.5 |
| Carbon (C), % | 0.48 to 0.53 | |
| 0 to 0.090 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 14 to 16 |
| Iron (Fe), % | 96.7 to 97.7 | |
| 69.6 to 76.8 |
| Manganese (Mn), % | 0.7 to 0.9 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 0 | |
| 6.5 to 7.7 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.030 |
| Vanadium (V), % | 0.15 to 0.3 | |
| 0 |