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Grade 9 Titanium vs. Nickel 693

Grade 9 titanium belongs to the titanium alloys classification, while nickel 693 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 9 titanium and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 330 to 480
230
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 430 to 580
440
Tensile Strength: Ultimate (UTS), MPa 700 to 960
660
Tensile Strength: Yield (Proof), MPa 540 to 830
310

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 330
1010
Melting Completion (Liquidus), °C 1640
1350
Melting Onset (Solidus), °C 1590
1310
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 8.1
9.1
Thermal Expansion, µm/m-K 9.1
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
60
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 36
9.9
Embodied Energy, MJ/kg 580
140
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 43 to 60
23
Strength to Weight: Bending, points 39 to 48
21
Thermal Diffusivity, mm2/s 3.3
2.3
Thermal Shock Resistance, points 52 to 71
19

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
2.5 to 4.0
Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
2.5 to 6.0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 92.6 to 95.5
0 to 1.0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0