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Grade CW2M Nickel vs. S32003 Stainless Steel

Grade CW2M nickel belongs to the nickel alloys classification, while S32003 stainless steel belongs to the iron alloys. They have a modest 23% 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 CW2M nickel and the bottom bar is S32003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 190
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 83
79
Tensile Strength: Ultimate (UTS), MPa 560
730
Tensile Strength: Yield (Proof), MPa 310
510

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 960
1010
Melting Completion (Liquidus), °C 1520
1440
Melting Onset (Solidus), °C 1460
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 12
3.0
Embodied Energy, MJ/kg 170
42
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 220
660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 17
23
Thermal Shock Resistance, points 16
21

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 15 to 17.5
19.5 to 22.5
Iron (Fe), % 0 to 2.0
68.2 to 75.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 15 to 17.5
1.5 to 2.0
Nickel (Ni), % 60.1 to 70
3.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0 to 1.0
0