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Titanium 6-2-4-2 vs. AWS BNi-2

Titanium 6-2-4-2 belongs to the titanium alloys classification, while AWS BNi-2 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is titanium 6-2-4-2 and the bottom bar is AWS BNi-2.

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
68
Tensile Strength: Ultimate (UTS), MPa 950
440

Thermal Properties

Latent Heat of Fusion, J/g 400
360
Melting Completion (Liquidus), °C 1590
1000
Melting Onset (Solidus), °C 1540
970
Specific Heat Capacity, J/kg-K 540
490
Thermal Expansion, µm/m-K 9.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 42
55
Density, g/cm3 4.6
8.2
Embodied Carbon, kg CO2/kg material 32
9.3
Embodied Energy, MJ/kg 520
130
Embodied Water, L/kg 210
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 34
23
Strength to Weight: Axial, points 57
15
Strength to Weight: Bending, points 46
16
Thermal Shock Resistance, points 67
16

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 0
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
2.5 to 3.5
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
79.1 to 84.8
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0.060 to 0.12
4.0 to 5.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0 to 0.050
Zirconium (Zr), % 3.6 to 4.4
0 to 0.050
Residuals, % 0 to 0.4
0 to 0.5