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Grade CX2MW Nickel vs. Grade 7 Titanium

Grade CX2MW nickel belongs to the nickel alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 28 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 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 34
24
Fatigue Strength, MPa 260
250
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 84
38
Tensile Strength: Ultimate (UTS), MPa 620
420
Tensile Strength: Yield (Proof), MPa 350
340

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 980
320
Melting Completion (Liquidus), °C 1550
1660
Melting Onset (Solidus), °C 1490
1610
Specific Heat Capacity, J/kg-K 430
540
Thermal Conductivity, W/m-K 10
22
Thermal Expansion, µm/m-K 12
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
7.2

Otherwise Unclassified Properties

Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 12
47
Embodied Energy, MJ/kg 170
800
Embodied Water, L/kg 290
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
95
Resilience: Unit (Modulus of Resilience), kJ/m3 290
560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 2.7
8.9
Thermal Shock Resistance, points 17
31

Alloy Composition


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Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 20 to 22.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 2.0 to 6.0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
98.7 to 99.88
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0
0 to 0.4