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Grade CX2M Nickel vs. S41425 Stainless Steel

Grade CX2M nickel belongs to the nickel alloys classification, while S41425 stainless steel belongs to the iron alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade CX2M nickel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 45
17
Fatigue Strength, MPa 260
450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 550
920
Tensile Strength: Yield (Proof), MPa 310
750

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 990
810
Melting Completion (Liquidus), °C 1500
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
16
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 65
13
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 12
2.9
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
150
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
33
Strength to Weight: Bending, points 17
27
Thermal Diffusivity, mm2/s 2.7
4.4
Thermal Shock Resistance, points 15
33

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 22 to 24
12 to 15
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 1.5
74 to 81.9
Manganese (Mn), % 0 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 15 to 16.5
1.5 to 2.0
Nickel (Ni), % 56.4 to 63
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.0050