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Grade CX2MW Nickel vs. Grade N7M Nickel

Both grade CX2MW nickel and grade N7M nickel are nickel alloys. Both are furnished in the heat treated (HT) condition. They have 74% of their average alloy composition in common. There are 25 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 CX2MW nickel and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 34
22
Fatigue Strength, MPa 260
190
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 84
85
Tensile Strength: Ultimate (UTS), MPa 620
590
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 980
900
Melting Completion (Liquidus), °C 1550
1650
Melting Onset (Solidus), °C 1490
1590
Specific Heat Capacity, J/kg-K 430
390
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 65
75
Density, g/cm3 8.9
9.3
Embodied Carbon, kg CO2/kg material 12
16
Embodied Energy, MJ/kg 170
200
Embodied Water, L/kg 290
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 18
17
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.070
Chromium (Cr), % 20 to 22.5
0 to 1.0
Iron (Fe), % 2.0 to 6.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 12.5 to 14.5
30 to 33
Nickel (Ni), % 51.3 to 63
60.9 to 70
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0