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Grade CW2M Nickel vs. S46500 Stainless Steel

Grade CW2M nickel belongs to the nickel alloys classification, while S46500 stainless steel belongs to the iron alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 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 CW2M nickel and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
2.3 to 14
Fatigue Strength, MPa 190
550 to 890
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 83
75
Tensile Strength: Ultimate (UTS), MPa 560
1260 to 1930
Tensile Strength: Yield (Proof), MPa 310
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 960
780
Melting Completion (Liquidus), °C 1520
1450
Melting Onset (Solidus), °C 1460
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 12
3.6
Embodied Energy, MJ/kg 170
51
Embodied Water, L/kg 290
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
43 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
44 to 68
Strength to Weight: Bending, points 17
33 to 44
Thermal Shock Resistance, points 16
44 to 67

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.020
Chromium (Cr), % 15 to 17.5
11 to 12.5
Iron (Fe), % 0 to 2.0
72.6 to 76.1
Manganese (Mn), % 0 to 1.0
0 to 0.25
Molybdenum (Mo), % 15 to 17.5
0.75 to 1.3
Nickel (Ni), % 60.1 to 70
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.8
0 to 0.25
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.5 to 1.8
Tungsten (W), % 0 to 1.0
0