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AWS BAg-7 vs. Grade 34 Titanium

AWS BAg-7 belongs to the otherwise unclassified metals classification, while grade 34 titanium belongs to the titanium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, 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-7 and the bottom bar is grade 34 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 31
41
Tensile Strength: Ultimate (UTS), MPa 150
510

Thermal Properties

Latent Heat of Fusion, J/g 130
420
Melting Completion (Liquidus), °C 650
1660
Melting Onset (Solidus), °C 620
1610
Specific Heat Capacity, J/kg-K 290
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 55
33
Embodied Energy, MJ/kg 860
530

Common Calculations

Stiffness to Weight: Axial, points 4.9
13
Stiffness to Weight: Bending, points 16
35
Strength to Weight: Axial, points 4.5
31
Strength to Weight: Bending, points 6.7
31
Thermal Shock Resistance, points 6.4
39

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
0.1 to 0.2
Copper (Cu), % 21 to 23
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.3
Nickel (Ni), % 0
0.35 to 0.55
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.010 to 0.020
Ruthenium (Ru), % 0
0.020 to 0.040
Silver (Ag), % 55 to 57
0
Tin (Sn), % 4.5 to 5.5
0
Titanium (Ti), % 0
98 to 99.52
Zinc (Zn), % 15 to 19
0
Residuals, % 0
0 to 0.4