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AWS BAu-1 vs. ASTM B617 Coin Silver

Both AWS BAu-1 and ASTM B617 coin silver 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 AWS BAu-1 and the bottom bar is ASTM B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
75
Poisson's Ratio 0.37
0.37
Shear Modulus, GPa 40
28
Tensile Strength: Ultimate (UTS), MPa 210
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 150
120
Melting Completion (Liquidus), °C 1020
870
Melting Onset (Solidus), °C 990
780
Specific Heat Capacity, J/kg-K 290
250
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Density, g/cm3 13
10

Common Calculations

Stiffness to Weight: Axial, points 4.7
4.1
Stiffness to Weight: Bending, points 12
14
Strength to Weight: Axial, points 4.5
7.7 to 14
Strength to Weight: Bending, points 6.1
9.3 to 14
Thermal Shock Resistance, points 8.5
14 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 61.9 to 63
9.0 to 10.4
Gold (Au), % 37 to 38
0
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.020
Silver (Ag), % 0
89.6 to 91
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0 to 0.15
0 to 0.060