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Grade 29 Titanium vs. Grade CW2M Nickel

Grade 29 titanium belongs to the titanium alloys classification, while grade CW2M nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 29 titanium and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 6.8 to 11
23
Fatigue Strength, MPa 460 to 510
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
83
Tensile Strength: Ultimate (UTS), MPa 930 to 940
560
Tensile Strength: Yield (Proof), MPa 850 to 870
310

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 340
960
Melting Completion (Liquidus), °C 1610
1520
Melting Onset (Solidus), °C 1560
1460
Specific Heat Capacity, J/kg-K 560
430
Thermal Expansion, µm/m-K 9.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
70
Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 39
12
Embodied Energy, MJ/kg 640
170
Embodied Water, L/kg 410
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 58 to 59
18
Strength to Weight: Bending, points 47 to 48
17
Thermal Shock Resistance, points 68 to 69
16

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 0
15 to 17.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 2.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
15 to 17.5
Nickel (Ni), % 0
60.1 to 70
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88 to 90.9
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0