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Grade CX2MW Nickel vs. S64512 Stainless Steel

Grade CX2MW nickel belongs to the nickel alloys classification, while S64512 stainless steel belongs to the iron alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade CX2MW nickel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 34
17
Fatigue Strength, MPa 260
540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
1140
Tensile Strength: Yield (Proof), MPa 350
890

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
750
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1490
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
28
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 65
10
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 12
3.3
Embodied Energy, MJ/kg 170
47
Embodied Water, L/kg 290
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
180
Resilience: Unit (Modulus of Resilience), kJ/m3 290
2020
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
40
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 2.7
7.5
Thermal Shock Resistance, points 17
42

Alloy Composition

Carbon (C), % 0 to 0.020
0.080 to 0.15
Chromium (Cr), % 20 to 22.5
11 to 12.5
Iron (Fe), % 2.0 to 6.0
80.6 to 84.7
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 12.5 to 14.5
1.5 to 2.0
Nickel (Ni), % 51.3 to 63
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0.25 to 0.4