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Nickel 690 vs. S38100 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while S38100 stainless steel belongs to the iron alloys. They have 46% of their average alloy composition in common. There are 31 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 690 and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 3.4 to 34
45
Fatigue Strength, MPa 180 to 300
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 420 to 570
400
Tensile Strength: Ultimate (UTS), MPa 640 to 990
580
Tensile Strength: Yield (Proof), MPa 250 to 760
230

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 1010
970
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1340
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 50
20
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.8
Embodied Energy, MJ/kg 120
54
Embodied Water, L/kg 290
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
210
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 33
21
Strength to Weight: Bending, points 20 to 27
20
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 16 to 25
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 27 to 31
17 to 19
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
57.9 to 64
Manganese (Mn), % 0 to 0.5
0 to 2.0
Nickel (Ni), % 58 to 66
17.5 to 18.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
1.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030