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Nickel 689 vs. S82031 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while S82031 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 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 420
490
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 790
540
Tensile Strength: Ultimate (UTS), MPa 1250
780
Tensile Strength: Yield (Proof), MPa 690
570

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
980
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
280
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
28
Strength to Weight: Bending, points 30
24
Thermal Shock Resistance, points 35
22

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 0.050
Chromium (Cr), % 18 to 20
19 to 22
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 0 to 5.0
68 to 78.3
Manganese (Mn), % 0 to 0.5
0 to 2.5
Molybdenum (Mo), % 9.0 to 10.5
0.6 to 1.4
Nickel (Ni), % 48.3 to 60.9
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 2.3 to 2.8
0