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AWS BAg-26 vs. ASTM B617 Coin Silver

Both AWS BAg-26 and ASTM B617 coin silver are otherwise unclassified metals. They have a modest 35% 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 (7, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-26 and the bottom bar is ASTM B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
75
Poisson's Ratio 0.32
0.37
Shear Modulus, GPa 37
28
Tensile Strength: Ultimate (UTS), MPa 160
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 160
120
Melting Completion (Liquidus), °C 800
870
Melting Onset (Solidus), °C 710
780
Specific Heat Capacity, J/kg-K 350
250
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Density, g/cm3 8.5
10

Common Calculations

Stiffness to Weight: Axial, points 6.4
4.1
Stiffness to Weight: Bending, points 18
14
Strength to Weight: Axial, points 5.2
7.7 to 14
Strength to Weight: Bending, points 7.7
9.3 to 14
Thermal Shock Resistance, points 5.6
14 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 37 to 39
9.0 to 10.4
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 1.5 to 2.5
0 to 0.010
Phosphorus (P), % 0
0 to 0.020
Silver (Ag), % 24 to 26
89.6 to 91
Zinc (Zn), % 31 to 35
0 to 0.060
Residuals, % 0 to 0.15
0 to 0.060