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Grade CW6M Nickel vs. AWS ENiCrMo-3

Both grade CW6M nickel and AWS ENiCrMo-3 are nickel alloys. They have a moderately high 90% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade CW6M nickel and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 29
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
79
Tensile Strength: Ultimate (UTS), MPa 560
870

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Melting Completion (Liquidus), °C 1530
1480
Melting Onset (Solidus), °C 1470
1430
Specific Heat Capacity, J/kg-K 430
440
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 65
80
Density, g/cm3 8.8
8.6
Embodied Carbon, kg CO2/kg material 13
14
Embodied Energy, MJ/kg 170
190
Embodied Water, L/kg 300
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 17
24
Thermal Shock Resistance, points 16
25

Alloy Composition


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Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 17 to 20
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 3.0
0 to 7.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 17 to 20
8.0 to 10
Nickel (Ni), % 54.9 to 66
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.040
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