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Grade C-5 Titanium vs. Nickel 908

Grade C-5 titanium belongs to the titanium alloys classification, while nickel 908 belongs to the nickel alloys. There are 27 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 C-5 titanium and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Elongation at Break, % 6.7
11
Fatigue Strength, MPa 510
450
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
70
Tensile Strength: Ultimate (UTS), MPa 1000
1340
Tensile Strength: Yield (Proof), MPa 940
930

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
920
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 560
460
Thermal Conductivity, W/m-K 7.1
11
Thermal Expansion, µm/m-K 9.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
50
Density, g/cm3 4.4
8.3
Embodied Carbon, kg CO2/kg material 38
9.3
Embodied Energy, MJ/kg 610
140
Embodied Water, L/kg 200
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
140
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
2340
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 63
45
Strength to Weight: Bending, points 50
33
Thermal Diffusivity, mm2/s 2.9
2.9
Thermal Shock Resistance, points 71
61

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
35.6 to 44.6
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.050
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 87.5 to 91
1.2 to 1.8
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0