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Grade 21 Titanium vs. N06219 Nickel

Grade 21 titanium belongs to the titanium alloys classification, while N06219 nickel belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 21 titanium and the bottom bar is N06219 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 9.0 to 17
48
Fatigue Strength, MPa 550 to 660
270
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 51
79
Shear Strength, MPa 550 to 790
520
Tensile Strength: Ultimate (UTS), MPa 890 to 1340
730
Tensile Strength: Yield (Proof), MPa 870 to 1170
300

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 310
980
Melting Completion (Liquidus), °C 1740
1430
Melting Onset (Solidus), °C 1690
1380
Specific Heat Capacity, J/kg-K 500
450
Thermal Conductivity, W/m-K 7.5
10
Thermal Expansion, µm/m-K 7.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
60
Density, g/cm3 5.4
8.5
Embodied Carbon, kg CO2/kg material 32
11
Embodied Energy, MJ/kg 490
140
Embodied Water, L/kg 180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 180
280
Resilience: Unit (Modulus of Resilience), kJ/m3 2760 to 5010
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
23
Strength to Weight: Axial, points 46 to 69
24
Strength to Weight: Bending, points 38 to 50
21
Thermal Diffusivity, mm2/s 2.8
2.7
Thermal Shock Resistance, points 66 to 100
21

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.5
Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 0
18 to 22
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
2.0 to 4.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 14 to 16
7.0 to 9.0
Nickel (Ni), % 0
60.8 to 72.3
Niobium (Nb), % 2.2 to 3.2
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.17
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.15 to 0.25
0.7 to 1.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 76 to 81.2
0 to 0.5
Residuals, % 0 to 0.4
0