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Grade CW6MC Nickel vs. S32050 Stainless Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while S32050 stainless steel belongs to the iron alloys. They have 53% of their average alloy composition in common. There are 29 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 CW6MC nickel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
46
Fatigue Strength, MPa 210
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 540
770
Tensile Strength: Yield (Proof), MPa 310
370

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 80
31
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 14
6.0
Embodied Energy, MJ/kg 200
81
Embodied Water, L/kg 290
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
290
Resilience: Unit (Modulus of Resilience), kJ/m3 240
330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 2.8
3.3
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 20 to 23
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 0 to 5.0
43.1 to 51.8
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 8.0 to 10
6.0 to 6.6
Nickel (Ni), % 55.4 to 68.9
20 to 23
Niobium (Nb), % 3.2 to 4.5
0
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020