SAE-AISI 1108 Steel vs. S46910 Stainless Steel
Both SAE-AISI 1108 steel and S46910 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1108 steel and the bottom bar is S46910 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 140 | |
| 270 to 630 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 23 to 34 | |
| 2.2 to 11 |
| Fatigue Strength, MPa | 170 to 260 | |
| 250 to 1020 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 250 to 280 | |
| 410 to 1410 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 440 | |
| 680 to 2470 |
| Tensile Strength: Yield (Proof), MPa | 220 to 360 | |
| 450 to 2290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 810 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 18 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 4.1 |
| Embodied Energy, MJ/kg | 18 | |
| 55 |
| Embodied Water, L/kg | 46 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 to 110 | |
| 48 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 340 | |
| 510 to 4780 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 16 | |
| 24 to 86 |
| Strength to Weight: Bending, points | 15 to 16 | |
| 22 to 51 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 23 to 84 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.15 to 0.5 |
| Carbon (C), % | 0.080 to 0.13 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 11 to 13 |
| Copper (Cu), % | 0 | |
| 1.5 to 3.5 |
| Iron (Fe), % | 98.9 to 99.24 | |
| 65 to 76 |
| Manganese (Mn), % | 0.6 to 0.8 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 0 | |
| 8.0 to 10 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.7 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.5 to 1.2 |