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Grade 7 Titanium vs. Grade CX2MW Nickel

Grade 7 titanium belongs to the titanium alloys classification, while grade CX2MW nickel belongs to the nickel 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 7 titanium and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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