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Grade 2 Titanium vs. AWS BNi-5

Grade 2 titanium belongs to the titanium alloys classification, while AWS BNi-5 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is AWS BNi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
72
Tensile Strength: Ultimate (UTS), MPa 420
470

Thermal Properties

Latent Heat of Fusion, J/g 420
470
Melting Completion (Liquidus), °C 1660
1140
Melting Onset (Solidus), °C 1610
1080
Specific Heat Capacity, J/kg-K 540
510
Thermal Expansion, µm/m-K 9.0
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
55
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
8.9
Embodied Energy, MJ/kg 510
130
Embodied Water, L/kg 110
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 28
17
Thermal Shock Resistance, points 32
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0 to 0.030
Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 0
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0
Nickel (Ni), % 0
69.1 to 71.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
9.8 to 10.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 98.9 to 100
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5