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Titanium 6-7 vs. AWS BAu-2

Titanium 6-7 belongs to the titanium alloys classification, while AWS BAu-2 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is AWS BAu-2.

Titanium 6-7 (R56700)AWS BAu-2 (P00800) Filler Metal
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 45
36
Tensile Strength: Ultimate (UTS), MPa 1020
150

Thermal Properties

Latent Heat of Fusion, J/g 410
92
Melting Completion (Liquidus), °C 1700
890
Melting Onset (Solidus), °C 1650
890
Specific Heat Capacity, J/kg-K 520
180
Thermal Expansion, µm/m-K 9.3
15

Otherwise Unclassified Properties

Density, g/cm3 5.1
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.3
Stiffness to Weight: Bending, points 32
9.1
Strength to Weight: Axial, points 56
2.4
Strength to Weight: Bending, points 44
3.6
Thermal Shock Resistance, points 66
7.1

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
19.4 to 20.5
Gold (Au), % 0
79.5 to 80.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Residuals, % 0
0 to 0.15