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Grade Ti-Pd18 Titanium vs. AWS BNi-4

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while AWS BNi-4 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-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
67
Tensile Strength: Ultimate (UTS), MPa 710
430

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Melting Completion (Liquidus), °C 1640
1070
Melting Onset (Solidus), °C 1590
980
Specific Heat Capacity, J/kg-K 550
470
Thermal Expansion, µm/m-K 9.1
11

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.5
Embodied Carbon, kg CO2/kg material 41
10
Embodied Energy, MJ/kg 670
140
Embodied Water, L/kg 270
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 44
14
Strength to Weight: Bending, points 39
15
Thermal Shock Resistance, points 52
16

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.050
Boron (B), % 0
1.5 to 2.2
Carbon (C), % 0 to 0.1
0 to 0.060
Cobalt (Co), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 1.5
Nickel (Ni), % 0 to 0.050
91.4 to 95.5
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
3.0 to 4.0
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