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Grade CW6M Nickel vs. S38100 Stainless Steel

Grade CW6M nickel belongs to the nickel alloys classification, while S38100 stainless steel belongs to the iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 grade CW6M nickel and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 29
45
Fatigue Strength, MPa 210
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 560
580
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 970
970
Melting Completion (Liquidus), °C 1530
1400
Melting Onset (Solidus), °C 1470
1350
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 65
20
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 13
3.8
Embodied Energy, MJ/kg 170
54
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
210
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 16
13

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 17 to 20
17 to 19
Iron (Fe), % 0 to 3.0
57.9 to 64
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 17 to 20
0
Nickel (Ni), % 54.9 to 66
17.5 to 18.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030