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Grade CW6M Nickel vs. Grade N12MV Nickel

Both grade CW6M nickel and grade N12MV nickel are nickel alloys. Both are furnished in the heat treated (HT) condition. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is grade CW6M nickel and the bottom bar is grade N12MV nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 29
6.8
Fatigue Strength, MPa 210
130
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 84
84
Tensile Strength: Ultimate (UTS), MPa 560
600
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 970
900
Melting Completion (Liquidus), °C 1530
1620
Melting Onset (Solidus), °C 1470
1570
Specific Heat Capacity, J/kg-K 430
390
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 65
75
Density, g/cm3 8.8
9.2
Embodied Carbon, kg CO2/kg material 13
16
Embodied Energy, MJ/kg 170
200
Embodied Water, L/kg 300
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
34
Resilience: Unit (Modulus of Resilience), kJ/m3 220
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 17
17
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.12
Chromium (Cr), % 17 to 20
0 to 1.0
Iron (Fe), % 0 to 3.0
4.0 to 6.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 17 to 20
26 to 30
Nickel (Ni), % 54.9 to 66
60.2 to 69.8
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
Vanadium (V), % 0
0.2 to 0.6