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Grade CX2MW Nickel vs. S38100 Stainless Steel

Grade CX2MW nickel belongs to the nickel alloys classification, while S38100 stainless steel belongs to the iron alloys. They have 41% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade CX2MW 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, % 34
45
Fatigue Strength, MPa 260
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
580
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 980
970
Melting Completion (Liquidus), °C 1550
1400
Melting Onset (Solidus), °C 1490
1350
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 65
20
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 12
3.8
Embodied Energy, MJ/kg 170
54
Embodied Water, L/kg 290
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
210
Resilience: Unit (Modulus of Resilience), kJ/m3 290
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 2.7
4.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 20 to 22.5
17 to 19
Iron (Fe), % 2.0 to 6.0
57.9 to 64
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
17.5 to 18.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.8
1.5 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0