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Grade Ti-Pd18 Titanium vs. AWS BNi-7

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while AWS BNi-7 belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, 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 BNi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
170
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
67
Tensile Strength: Ultimate (UTS), MPa 710
550

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Melting Completion (Liquidus), °C 1640
890
Melting Onset (Solidus), °C 1590
890
Specific Heat Capacity, J/kg-K 550
490
Thermal Expansion, µm/m-K 9.1
11

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 41
8.8
Embodied Energy, MJ/kg 670
120
Embodied Water, L/kg 270
240

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 44
19
Strength to Weight: Bending, points 39
19
Thermal Shock Resistance, points 52
21

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.050
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 0
13 to 15
Cobalt (Co), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.2
Manganese (Mn), % 0
0 to 0.040
Nickel (Ni), % 0 to 0.050
73.3 to 77.3
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
9.7 to 10.5
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 92.5 to 95.5
0 to 0.050
Vanadium (V), % 2.0 to 3.0
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5