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AWS BAg-6 vs. Grade 31 Titanium

AWS BAg-6 belongs to the otherwise unclassified metals classification, while grade 31 titanium belongs to the titanium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 AWS BAg-6 and the bottom bar is grade 31 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 89
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 33
41
Tensile Strength: Ultimate (UTS), MPa 160
510

Thermal Properties

Latent Heat of Fusion, J/g 140
420
Melting Completion (Liquidus), °C 770
1660
Melting Onset (Solidus), °C 690
1610
Specific Heat Capacity, J/kg-K 310
540
Thermal Expansion, µm/m-K 20
8.7

Otherwise Unclassified Properties

Density, g/cm3 9.3
4.5
Embodied Carbon, kg CO2/kg material 49
36
Embodied Energy, MJ/kg 770
600

Common Calculations

Stiffness to Weight: Axial, points 5.3
13
Stiffness to Weight: Bending, points 16
35
Strength to Weight: Axial, points 4.8
32
Strength to Weight: Bending, points 7.0
32
Thermal Shock Resistance, points 6.5
39

Alloy Composition


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Carbon (C), % 0
0 to 0.080
Cobalt (Co), % 0
0.2 to 0.8
Copper (Cu), % 33 to 35
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.3
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.040 to 0.080
Silver (Ag), % 49 to 51
0
Titanium (Ti), % 0
97.9 to 99.76
Zinc (Zn), % 14 to 18
0
Residuals, % 0 to 0.15
0 to 0.4