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Grade CW6M Nickel vs. S45000 Stainless Steel

Grade CW6M nickel belongs to the nickel alloys classification, while S45000 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 CW6M nickel and the bottom bar is S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 29
6.8 to 14
Fatigue Strength, MPa 210
330 to 650
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 560
980 to 1410
Tensile Strength: Yield (Proof), MPa 310
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 970
840
Melting Completion (Liquidus), °C 1530
1440
Melting Onset (Solidus), °C 1470
1390
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 65
13
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 13
2.8
Embodied Energy, MJ/kg 170
39
Embodied Water, L/kg 300
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
94 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 220
850 to 4400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
35 to 50
Strength to Weight: Bending, points 17
28 to 36
Thermal Shock Resistance, points 16
33 to 47

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 17 to 20
14 to 16
Copper (Cu), % 0
1.3 to 1.8
Iron (Fe), % 0 to 3.0
72.1 to 79.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 17 to 20
0.5 to 1.0
Nickel (Ni), % 54.9 to 66
5.0 to 7.0
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