AISI 301L Stainless Steel vs. Nickel 684
AISI 301L stainless steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. 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 AISI 301L stainless steel and the bottom bar is nickel 684.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 320 | |
| 310 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 22 to 50 | |
| 11 |
| Fatigue Strength, MPa | 240 to 530 | |
| 390 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 76 |
| Shear Strength, MPa | 440 to 660 | |
| 710 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1040 | |
| 1190 |
| Tensile Strength: Yield (Proof), MPa | 250 to 790 | |
| 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 1000 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1370 |
| Melting Onset (Solidus), °C | 1390 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 75 |
| Density, g/cm3 | 7.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 10 |
| Embodied Energy, MJ/kg | 39 | |
| 140 |
| Embodied Water, L/kg | 130 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 300 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1580 | |
| 1610 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 22 to 37 | |
| 40 |
| Strength to Weight: Bending, points | 21 to 29 | |
| 30 |
| Thermal Shock Resistance, points | 14 to 24 | |
| 34 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 2.5 to 3.3 |
| Boron (B), % | 0 | |
| 0.0030 to 0.010 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.15 |
| Chromium (Cr), % | 16 to 18 | |
| 15 to 20 |
| Cobalt (Co), % | 0 | |
| 13 to 20 |
| Copper (Cu), % | 0 | |
| 0 to 0.15 |
| Iron (Fe), % | 70.7 to 78 | |
| 0 to 4.0 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.75 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 6.0 to 8.0 | |
| 42.7 to 64 |
| Nitrogen (N), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 2.5 to 3.3 |