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Grade CW2M Nickel vs. S44800 Stainless Steel

Grade CW2M nickel belongs to the nickel alloys classification, while S44800 stainless steel belongs to the iron alloys. They have a modest 24% 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 (10, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 23
23
Fatigue Strength, MPa 190
300
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 83
82
Tensile Strength: Ultimate (UTS), MPa 560
590
Tensile Strength: Yield (Proof), MPa 310
450

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1520
1460
Melting Onset (Solidus), °C 1460
1410
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
19
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 12
3.8
Embodied Energy, MJ/kg 170
52
Embodied Water, L/kg 290
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
480
Stiffness to Weight: Axial, points 13
15
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
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.010
Chromium (Cr), % 15 to 17.5
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 0 to 2.0
62.6 to 66.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 15 to 17.5
3.5 to 4.2
Nickel (Ni), % 60.1 to 70
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0 to 1.0
0