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Grade CW12MW Nickel vs. S21460 Stainless Steel

Grade CW12MW nickel belongs to the nickel alloys classification, while S21460 stainless steel belongs to the iron alloys. They have a modest 29% 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 (4, in this case) are not shown.

For each property being compared, the top bar is grade CW12MW nickel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 4.6
46
Fatigue Strength, MPa 130
390
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 85
77
Tensile Strength: Ultimate (UTS), MPa 560
830
Tensile Strength: Yield (Proof), MPa 310
430

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 960
920
Melting Completion (Liquidus), °C 1610
1380
Melting Onset (Solidus), °C 1560
1330
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 9.1
7.6
Embodied Carbon, kg CO2/kg material 13
3.0
Embodied Energy, MJ/kg 180
43
Embodied Water, L/kg 280
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
320
Resilience: Unit (Modulus of Resilience), kJ/m3 220
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 17
30
Strength to Weight: Bending, points 17
26
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.12
Chromium (Cr), % 15.5 to 17.5
17 to 19
Iron (Fe), % 4.5 to 7.5
57.3 to 63.7
Manganese (Mn), % 0 to 1.0
14 to 16
Molybdenum (Mo), % 16 to 18
0
Nickel (Ni), % 49.2 to 60.1
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0