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Grade 21 Titanium vs. N06058 Nickel

Grade 21 titanium belongs to the titanium alloys classification, while N06058 nickel belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 21 titanium and the bottom bar is N06058 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
220
Elongation at Break, % 9.0 to 17
45
Fatigue Strength, MPa 550 to 660
350
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 51
86
Shear Strength, MPa 550 to 790
600
Tensile Strength: Ultimate (UTS), MPa 890 to 1340
860
Tensile Strength: Yield (Proof), MPa 870 to 1170
410

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 310
980
Melting Completion (Liquidus), °C 1740
1540
Melting Onset (Solidus), °C 1690
1490
Specific Heat Capacity, J/kg-K 500
420
Thermal Conductivity, W/m-K 7.5
9.8
Thermal Expansion, µm/m-K 7.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
70
Density, g/cm3 5.4
8.8
Embodied Carbon, kg CO2/kg material 32
13
Embodied Energy, MJ/kg 490
170
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 180
320
Resilience: Unit (Modulus of Resilience), kJ/m3 2760 to 5010
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
23
Strength to Weight: Axial, points 46 to 69
27
Strength to Weight: Bending, points 38 to 50
23
Thermal Diffusivity, mm2/s 2.8
2.6
Thermal Shock Resistance, points 66 to 100
23

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.4
Carbon (C), % 0 to 0.050
0 to 0.010
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.5
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 14 to 16
19 to 21
Nickel (Ni), % 0
52.2 to 61
Niobium (Nb), % 2.2 to 3.2
0
Nitrogen (N), % 0 to 0.030
0.020 to 0.15
Oxygen (O), % 0 to 0.17
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0.15 to 0.25
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 76 to 81.2
0
Tungsten (W), % 0
0 to 0.3
Residuals, % 0 to 0.4
0