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Grade 21 Titanium vs. Grade N12MV Nickel

Grade 21 titanium belongs to the titanium alloys classification, while grade N12MV nickel belongs to the nickel alloys. There are 25 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 grade 21 titanium and the bottom bar is grade N12MV nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
220
Elongation at Break, % 9.0 to 17
6.8
Fatigue Strength, MPa 550 to 660
130
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 51
84
Tensile Strength: Ultimate (UTS), MPa 890 to 1340
600
Tensile Strength: Yield (Proof), MPa 870 to 1170
310

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Maximum Temperature: Mechanical, °C 310
900
Melting Completion (Liquidus), °C 1740
1620
Melting Onset (Solidus), °C 1690
1570
Specific Heat Capacity, J/kg-K 500
390
Thermal Expansion, µm/m-K 7.1
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
75
Density, g/cm3 5.4
9.2
Embodied Carbon, kg CO2/kg material 32
16
Embodied Energy, MJ/kg 490
200
Embodied Water, L/kg 180
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 180
34
Resilience: Unit (Modulus of Resilience), kJ/m3 2760 to 5010
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
22
Strength to Weight: Axial, points 46 to 69
18
Strength to Weight: Bending, points 38 to 50
17
Thermal Shock Resistance, points 66 to 100
19

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.050
0 to 0.12
Chromium (Cr), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
4.0 to 6.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 14 to 16
26 to 30
Nickel (Ni), % 0
60.2 to 69.8
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 0.040
Silicon (Si), % 0.15 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 76 to 81.2
0
Vanadium (V), % 0
0.2 to 0.6
Residuals, % 0 to 0.4
0