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AWS BAg-26 vs. ASTM B541 Gold

Both AWS BAg-26 and ASTM B541 gold are otherwise unclassified metals. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-26 and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
110
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 37
38
Tensile Strength: Ultimate (UTS), MPa 160
670 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 160
90
Melting Completion (Liquidus), °C 800
1110
Melting Onset (Solidus), °C 710
930
Specific Heat Capacity, J/kg-K 350
170
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Density, g/cm3 8.5
17

Common Calculations

Stiffness to Weight: Axial, points 6.4
3.4
Stiffness to Weight: Bending, points 18
9.0
Strength to Weight: Axial, points 5.2
11 to 19
Strength to Weight: Bending, points 7.7
9.8 to 14
Thermal Shock Resistance, points 5.6
36 to 63

Alloy Composition

Copper (Cu), % 37 to 39
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 1.5 to 2.5
0
Platinum (Pt), % 0
8.0 to 9.0
Silver (Ag), % 24 to 26
4.0 to 5.0
Zinc (Zn), % 31 to 35
0.7 to 1.3
Residuals, % 0 to 0.15
0 to 0.4