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AWS BAg-7 vs. ASTM B596 Au-Cu

Both AWS BAg-7 and ASTM B596 Au-Cu are otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-7 and the bottom bar is ASTM B596 Au-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
100
Poisson's Ratio 0.34
0.41
Shear Modulus, GPa 31
36
Tensile Strength: Ultimate (UTS), MPa 150
450 to 620

Thermal Properties

Latent Heat of Fusion, J/g 130
77
Melting Completion (Liquidus), °C 650
1060
Melting Onset (Solidus), °C 620
930
Specific Heat Capacity, J/kg-K 290
150
Thermal Expansion, µm/m-K 20
14

Otherwise Unclassified Properties

Density, g/cm3 9.3
18

Common Calculations

Stiffness to Weight: Axial, points 4.9
3.1
Stiffness to Weight: Bending, points 16
8.5
Strength to Weight: Axial, points 4.5
6.8 to 9.4
Strength to Weight: Bending, points 6.7
7.1 to 8.8
Thermal Shock Resistance, points 6.4
22 to 30

Alloy Composition

Copper (Cu), % 21 to 23
9.0 to 11
Gold (Au), % 0
89 to 91
Silver (Ag), % 55 to 57
0
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 15 to 19
0
Residuals, % 0
0 to 0.4