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ASTM B617 Coin Silver vs. AWS BAg-13a

Both ASTM B617 coin silver and AWS BAg-13a are otherwise unclassified metals. They have 66% of their average alloy composition in common. 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 ASTM B617 coin silver and the bottom bar is AWS BAg-13a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
92
Poisson's Ratio 0.37
0.36
Shear Modulus, GPa 28
34
Tensile Strength: Ultimate (UTS), MPa 290 to 520
180

Thermal Properties

Latent Heat of Fusion, J/g 120
160
Melting Completion (Liquidus), °C 870
890
Melting Onset (Solidus), °C 780
770
Specific Heat Capacity, J/kg-K 250
300
Thermal Expansion, µm/m-K 19
19

Otherwise Unclassified Properties

Density, g/cm3 10
9.8

Common Calculations

Stiffness to Weight: Axial, points 4.1
5.2
Stiffness to Weight: Bending, points 14
15
Strength to Weight: Axial, points 7.7 to 14
5.1
Strength to Weight: Bending, points 9.3 to 14
7.2
Thermal Shock Resistance, points 14 to 25
7.5

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Copper (Cu), % 9.0 to 10.4
40.4 to 43.5
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.010
1.5 to 2.5
Phosphorus (P), % 0 to 0.020
0
Silver (Ag), % 89.6 to 91
55 to 57
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.060
0 to 0.15