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Grade 20 Titanium vs. Nickel 890

Grade 20 titanium belongs to the titanium alloys classification, while nickel 890 belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is nickel 890.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 5.7 to 17
39
Fatigue Strength, MPa 550 to 630
180
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 47
78
Shear Strength, MPa 560 to 740
400
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
590
Tensile Strength: Yield (Proof), MPa 850 to 1190
230

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 370
1000
Melting Completion (Liquidus), °C 1660
1390
Melting Onset (Solidus), °C 1600
1340
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.6
14

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.1
Embodied Carbon, kg CO2/kg material 52
8.2
Embodied Energy, MJ/kg 860
120
Embodied Water, L/kg 350
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
24
Strength to Weight: Axial, points 50 to 70
20
Strength to Weight: Bending, points 41 to 52
19
Thermal Shock Resistance, points 55 to 77
15

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0.050 to 0.6
Carbon (C), % 0 to 0.050
0.060 to 0.14
Chromium (Cr), % 5.5 to 6.5
23.5 to 28.5
Copper (Cu), % 0
0 to 0.75
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
17.3 to 33.9
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 3.5 to 4.5
1.0 to 2.0
Nickel (Ni), % 0
40 to 45
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.1 to 0.6
Titanium (Ti), % 71 to 77
0.15 to 0.6
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0