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Grade 20 Titanium vs. Nickel 625

Grade 20 titanium belongs to the titanium alloys classification, while nickel 625 belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 5.7 to 17
33 to 34
Fatigue Strength, MPa 550 to 630
240 to 320
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 47
79
Shear Strength, MPa 560 to 740
530 to 600
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
790 to 910
Tensile Strength: Yield (Proof), MPa 850 to 1190
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 370
980
Melting Completion (Liquidus), °C 1660
1350
Melting Onset (Solidus), °C 1600
1290
Specific Heat Capacity, J/kg-K 520
440
Thermal Expansion, µm/m-K 9.6
13

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.6
Embodied Carbon, kg CO2/kg material 52
14
Embodied Energy, MJ/kg 860
190
Embodied Water, L/kg 350
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
260 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 33
23
Strength to Weight: Axial, points 50 to 70
26 to 29
Strength to Weight: Bending, points 41 to 52
22 to 24
Thermal Shock Resistance, points 55 to 77
22 to 25

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0 to 0.4
Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 5.5 to 6.5
20 to 23
Cobalt (Co), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 3.5 to 4.5
8.0 to 10
Nickel (Ni), % 0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 71 to 77
0 to 0.4
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0

Comparable Variants