S46910 Stainless Steel vs. SAE-AISI 8645 Steel
Both S46910 stainless steel and SAE-AISI 8645 steel are iron alloys. They have 73% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is S46910 stainless steel and the bottom bar is SAE-AISI 8645 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 270 to 630 | |
| 180 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 2.2 to 11 | |
| 12 to 23 |
| Fatigue Strength, MPa | 250 to 1020 | |
| 280 to 350 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Shear Strength, MPa | 410 to 1410 | |
| 380 to 400 |
| Tensile Strength: Ultimate (UTS), MPa | 680 to 2470 | |
| 600 to 670 |
| Tensile Strength: Yield (Proof), MPa | 450 to 2290 | |
| 390 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 810 | |
| 410 |
| 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 | 11 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 18 | |
| 2.6 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.1 | |
| 1.5 |
| Embodied Energy, MJ/kg | 55 | |
| 20 |
| Embodied Water, L/kg | 140 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 to 130 | |
| 77 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 510 to 4780 | |
| 420 to 840 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 24 to 86 | |
| 21 to 24 |
| Strength to Weight: Bending, points | 22 to 51 | |
| 20 to 22 |
| Thermal Shock Resistance, points | 23 to 84 | |
| 18 to 20 |
Alloy Composition
| Aluminum (Al), % | 0.15 to 0.5 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0.43 to 0.48 |
| Chromium (Cr), % | 11 to 13 | |
| 0.4 to 0.6 |
| Copper (Cu), % | 1.5 to 3.5 | |
| 0 |
| Iron (Fe), % | 65 to 76 | |
| 96.5 to 97.7 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.75 to 1.0 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 8.0 to 10 | |
| 0.4 to 0.7 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.7 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.040 |
| Titanium (Ti), % | 0.5 to 1.2 | |
| 0 |