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Grade 25 Titanium vs. AWS BNi-1

Grade 25 titanium belongs to the titanium alloys classification, while AWS BNi-1 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 25 titanium and the bottom bar is AWS BNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
70
Tensile Strength: Ultimate (UTS), MPa 1000
450

Thermal Properties

Latent Heat of Fusion, J/g 410
360
Melting Completion (Liquidus), °C 1610
1040
Melting Onset (Solidus), °C 1560
980
Specific Heat Capacity, J/kg-K 560
500
Thermal Expansion, µm/m-K 9.6
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 43
8.8
Embodied Energy, MJ/kg 700
120
Embodied Water, L/kg 320
240

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 62
16
Strength to Weight: Bending, points 50
16
Thermal Shock Resistance, points 71
15

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 0 to 0.080
0.6 to 0.9
Chromium (Cr), % 0
13 to 15
Cobalt (Co), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.4
4.0 to 5.0
Nickel (Ni), % 0.3 to 0.8
69.8 to 75.7
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
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
4.0 to 5.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 86.7 to 90.6
0 to 0.050
Vanadium (V), % 3.5 to 4.5
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5