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Grade CW6MC Nickel vs. AWS ENiCrMo-3

Both grade CW6MC nickel and AWS ENiCrMo-3 are nickel alloys. Their average alloy composition is basically identical. 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 CW6MC nickel and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 540
870

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Melting Completion (Liquidus), °C 1480
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 11
11
Thermal Expansion, µm/m-K 12
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 80
80
Density, g/cm3 8.6
8.6
Embodied Carbon, kg CO2/kg material 14
14
Embodied Energy, MJ/kg 200
190
Embodied Water, L/kg 290
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 2.8
2.8
Thermal Shock Resistance, points 15
25

Alloy Composition


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Carbon (C), % 0 to 0.060
0 to 0.1
Chromium (Cr), % 20 to 23
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 5.0
0 to 7.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
8.0 to 10
Nickel (Ni), % 55.4 to 68.9
55 to 68.9
Niobium (Nb), % 3.2 to 4.5
3.2 to 4.2
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020
Residuals, % 0
0 to 0.5