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Grade Ti-Pd18 Titanium vs. AWS ERNiCu-7

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
160
Elongation at Break, % 17
34
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
61
Tensile Strength: Ultimate (UTS), MPa 710
550

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Melting Completion (Liquidus), °C 1640
1280
Melting Onset (Solidus), °C 1590
1240
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 8.2
20
Thermal Expansion, µm/m-K 9.1
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.7
Embodied Carbon, kg CO2/kg material 41
8.5
Embodied Energy, MJ/kg 670
120
Embodied Water, L/kg 270
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 35
21
Strength to Weight: Axial, points 44
18
Strength to Weight: Bending, points 39
17
Thermal Diffusivity, mm2/s 3.3
5.3
Thermal Shock Resistance, points 52
19

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 1.3
Carbon (C), % 0 to 0.1
0 to 0.15
Copper (Cu), % 0
18.3 to 36.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 2.5
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0 to 0.050
62 to 69
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 92.5 to 95.5
1.5 to 3.0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.5