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AWS BVAg-18 vs. ASTM B541 Gold

Both AWS BVAg-18 and ASTM B541 gold are otherwise unclassified metals. 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 BVAg-18 and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
110
Poisson's Ratio 0.36
0.4
Shear Modulus, GPa 30
38
Tensile Strength: Ultimate (UTS), MPa 180
670 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 140
90
Melting Completion (Liquidus), °C 720
1110
Melting Onset (Solidus), °C 600
930
Specific Heat Capacity, J/kg-K 280
170
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Density, g/cm3 9.7
17

Common Calculations

Stiffness to Weight: Axial, points 4.7
3.4
Stiffness to Weight: Bending, points 15
9.0
Strength to Weight: Axial, points 5.1
11 to 19
Strength to Weight: Bending, points 7.3
9.8 to 14
Thermal Shock Resistance, points 8.1
36 to 63

Alloy Composition


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Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 28.5 to 31.5
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Lead (Pb), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.0020
0
Platinum (Pt), % 0
8.0 to 9.0
Silver (Ag), % 59 to 61
4.0 to 5.0
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
0.7 to 1.3
Residuals, % 0
0 to 0.4