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ASTM B596 Au-Cu vs. AWS BVAg-31

Both ASTM B596 Au-Cu and AWS BVAg-31 are otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM B596 Au-Cu and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
90
Poisson's Ratio 0.41
0.36
Shear Modulus, GPa 36
33
Tensile Strength: Ultimate (UTS), MPa 450 to 620
180

Thermal Properties

Latent Heat of Fusion, J/g 77
150
Melting Completion (Liquidus), °C 1060
850
Melting Onset (Solidus), °C 930
820
Specific Heat Capacity, J/kg-K 150
280
Thermal Expansion, µm/m-K 14
18

Otherwise Unclassified Properties

Density, g/cm3 18
10

Common Calculations

Stiffness to Weight: Axial, points 3.1
4.9
Stiffness to Weight: Bending, points 8.5
15
Strength to Weight: Axial, points 6.8 to 9.4
4.9
Strength to Weight: Bending, points 7.1 to 8.8
7.0
Thermal Shock Resistance, points 22 to 30
7.8

Alloy Composition


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Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 9.0 to 11
31 to 33
Gold (Au), % 89 to 91
0
Lead (Pb), % 0
0 to 0.0020
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 0
57 to 59
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.4
0