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AWS BVPd-1 vs. Grade 27 Titanium

AWS BVPd-1 belongs to the otherwise unclassified metals classification, while grade 27 titanium belongs to the titanium alloys. There are 15 material properties with values for both materials. Properties with values for just one material (17, 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 BVPd-1 and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Poisson's Ratio 0.37
0.32
Shear Modulus, GPa 56
41
Tensile Strength: Ultimate (UTS), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 200
420
Melting Completion (Liquidus), °C 1240
1660
Melting Onset (Solidus), °C 1230
1610
Specific Heat Capacity, J/kg-K 310
540
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Density, g/cm3 11
4.5

Common Calculations

Stiffness to Weight: Axial, points 7.7
13
Stiffness to Weight: Bending, points 16
35
Strength to Weight: Axial, points 6.1
17
Strength to Weight: Bending, points 7.9
21
Thermal Shock Resistance, points 9.8
21

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.080
Cobalt (Co), % 33.9 to 36
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.0020
0
Nickel (Ni), % 0 to 0.060
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 64 to 66
0
Phosphorus (P), % 0 to 0.0020
0
Ruthenium (Ru), % 0
0.080 to 0.14
Titanium (Ti), % 0
99 to 99.92
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.4