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Grade 1 Titanium vs. AWS BNi-8

Grade 1 titanium belongs to the titanium alloys classification, while AWS BNi-8 belongs to the nickel alloys. There are 19 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 1 titanium and the bottom bar is AWS BNi-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 39
67
Tensile Strength: Ultimate (UTS), MPa 310
570

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Melting Completion (Liquidus), °C 1660
1010
Melting Onset (Solidus), °C 1610
980
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.8
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
46
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
8.2
Embodied Energy, MJ/kg 510
120
Embodied Water, L/kg 110
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 23
19
Thermal Shock Resistance, points 24
17

Alloy Composition


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Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0 to 0.060
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0
Manganese (Mn), % 0
21.5 to 24.5
Nickel (Ni), % 0
61.6 to 68.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
6.0 to 8.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.095 to 100
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.4
0 to 0.5