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Grade CW12MW Nickel vs. S44735 Stainless Steel

Grade CW12MW nickel belongs to the nickel alloys classification, while S44735 stainless steel belongs to the iron alloys. They have a modest 28% 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 (5, in this case) are not shown.

For each property being compared, the top bar is grade CW12MW nickel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 4.6
21
Fatigue Strength, MPa 130
300
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 85
82
Tensile Strength: Ultimate (UTS), MPa 560
630
Tensile Strength: Yield (Proof), MPa 310
460

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
21
Density, g/cm3 9.1
7.7
Embodied Carbon, kg CO2/kg material 13
4.4
Embodied Energy, MJ/kg 180
61
Embodied Water, L/kg 280
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
520
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
28 to 30
Iron (Fe), % 4.5 to 7.5
60.7 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 16 to 18
3.6 to 4.2
Nickel (Ni), % 49.2 to 60.1
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0