MakeItFrom.com
Menu (ESC)

Grade 20 Titanium vs. Nickel 686

Grade 20 titanium belongs to the titanium alloys classification, while nickel 686 belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 5.7 to 17
51
Fatigue Strength, MPa 550 to 630
410
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 47
77
Shear Strength, MPa 560 to 740
560
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
780
Tensile Strength: Yield (Proof), MPa 850 to 1190
350

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 370
980
Melting Completion (Liquidus), °C 1660
1380
Melting Onset (Solidus), °C 1600
1340
Specific Heat Capacity, J/kg-K 520
420
Thermal Expansion, µm/m-K 9.6
12

Otherwise Unclassified Properties

Density, g/cm3 5.0
9.0
Embodied Carbon, kg CO2/kg material 52
12
Embodied Energy, MJ/kg 860
170
Embodied Water, L/kg 350
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
320
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
22
Strength to Weight: Axial, points 50 to 70
24
Strength to Weight: Bending, points 41 to 52
21
Thermal Shock Resistance, points 55 to 77
21

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.010
Chromium (Cr), % 5.5 to 6.5
19 to 23
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 5.0
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 3.5 to 4.5
15 to 17
Nickel (Ni), % 0
49.5 to 63
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 0.040
Silicon (Si), % 0
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 71 to 77
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0