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AWS BVAu-7 vs. Grade 704C Zirconium

Both AWS BVAu-7 and grade 704C zirconium are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 13 material properties with values for both materials. Properties with values for just one material (12, 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 BVAu-7 and the bottom bar is grade 704C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
97
Poisson's Ratio 0.38
0.34
Shear Modulus, GPa 45
36
Tensile Strength: Ultimate (UTS), MPa 200
470

Thermal Properties

Latent Heat of Fusion, J/g 140
240
Specific Heat Capacity, J/kg-K 240
270
Thermal Expansion, µm/m-K 13
5.9

Otherwise Unclassified Properties

Density, g/cm3 15
6.7

Common Calculations

Stiffness to Weight: Axial, points 4.7
8.1
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 3.7
20
Strength to Weight: Bending, points 5.1
20
Thermal Shock Resistance, points 8.9
58

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.1
Cobalt (Co), % 0 to 0.060
0
Gold (Au), % 49.5 to 50.5
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0 to 0.0020
0
Nickel (Ni), % 24.5 to 25.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0 to 0.010
Tin (Sn), % 0
1.0 to 2.0
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
92.9 to 99