Nickel 689 vs. S44700 Stainless Steel
Nickel 689 belongs to the nickel alloys classification, while S44700 stainless steel belongs to the iron alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is nickel 689 and the bottom bar is S44700 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 350 | |
200 |
Elastic (Young's, Tensile) Modulus, GPa | 210 | |
210 |
Elongation at Break, % | 23 | |
23 |
Fatigue Strength, MPa | 420 | |
300 |
Poisson's Ratio | 0.29 | |
0.27 |
Reduction in Area, % | 21 | |
45 |
Shear Modulus, GPa | 80 | |
82 |
Shear Strength, MPa | 790 | |
380 |
Tensile Strength: Ultimate (UTS), MPa | 1250 | |
600 |
Tensile Strength: Yield (Proof), MPa | 690 | |
450 |
Thermal Properties
Latent Heat of Fusion, J/g | 330 | |
300 |
Maximum Temperature: Mechanical, °C | 990 | |
1100 |
Melting Completion (Liquidus), °C | 1440 | |
1460 |
Melting Onset (Solidus), °C | 1390 | |
1410 |
Specific Heat Capacity, J/kg-K | 450 | |
480 |
Thermal Expansion, µm/m-K | 12 | |
11 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 70 | |
18 |
Density, g/cm3 | 8.5 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 11 | |
3.6 |
Embodied Energy, MJ/kg | 150 | |
49 |
Embodied Water, L/kg | 330 | |
180 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 | |
120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1170 | |
480 |
Stiffness to Weight: Axial, points | 14 | |
15 |
Stiffness to Weight: Bending, points | 23 | |
25 |
Strength to Weight: Axial, points | 41 | |
21 |
Strength to Weight: Bending, points | 30 | |
20 |
Thermal Shock Resistance, points | 35 | |
19 |
Alloy Composition
Aluminum (Al), % | 0.75 to 1.3 | |
0 |
Boron (B), % | 0.0030 to 0.010 | |
0 |
Carbon (C), % | 0.1 to 0.2 | |
0 to 0.010 |
Chromium (Cr), % | 18 to 20 | |
28 to 30 |
Cobalt (Co), % | 9.0 to 11 | |
0 |
Copper (Cu), % | 0 | |
0 to 0.15 |
Iron (Fe), % | 0 to 5.0 | |
64.9 to 68.5 |
Manganese (Mn), % | 0 to 0.5 | |
0 to 0.3 |
Molybdenum (Mo), % | 9.0 to 10.5 | |
3.5 to 4.2 |
Nickel (Ni), % | 48.3 to 60.9 | |
0 to 0.15 |
Nitrogen (N), % | 0 | |
0 to 0.020 |
Phosphorus (P), % | 0 to 0.015 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.5 | |
0 to 0.2 |
Sulfur (S), % | 0 to 0.015 | |
0 to 0.020 |
Titanium (Ti), % | 2.3 to 2.8 | |
0 |