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Nickel 908 vs. R56401 Titanium

Nickel 908 belongs to the nickel alloys classification, while R56401 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 nickel 908 and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 11
9.1
Fatigue Strength, MPa 450
480
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 70
40
Shear Strength, MPa 800
560
Tensile Strength: Ultimate (UTS), MPa 1340
940
Tensile Strength: Yield (Proof), MPa 930
850

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 50
36
Density, g/cm3 8.3
4.5
Embodied Carbon, kg CO2/kg material 9.3
38
Embodied Energy, MJ/kg 140
610
Embodied Water, L/kg 170
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
83
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
3440
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 45
59
Strength to Weight: Bending, points 33
48
Thermal Diffusivity, mm2/s 2.9
2.9
Thermal Shock Resistance, points 61
67

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
5.5 to 6.5
Boron (B), % 0 to 0.012
0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 35.6 to 44.6
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 47 to 51
0
Niobium (Nb), % 2.7 to 3.3
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 1.2 to 1.8
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5