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Commercially Pure Silver vs. ASTM B522 Class II

Both commercially pure silver and ASTM B522 class II are otherwise unclassified metals. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is commercially pure silver and the bottom bar is ASTM B522 class II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
96
Elongation at Break, % 1.1 to 29
1.1 to 28
Poisson's Ratio 0.37
0.41
Shear Modulus, GPa 26
34
Shear Strength, MPa 120 to 190
180 to 280
Tensile Strength: Ultimate (UTS), MPa 190 to 340
280 to 490

Thermal Properties

Latent Heat of Fusion, J/g 110
77
Melting Completion (Liquidus), °C 960
1030
Melting Onset (Solidus), °C 960
1030
Specific Heat Capacity, J/kg-K 240
160
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
11
Electrical Conductivity: Equal Weight (Specific), % IACS 87
5.7

Otherwise Unclassified Properties

Density, g/cm3 10
17

Common Calculations

Stiffness to Weight: Axial, points 3.8
3.1
Stiffness to Weight: Bending, points 13
8.9
Strength to Weight: Axial, points 4.9 to 8.9
4.4 to 7.8
Strength to Weight: Bending, points 6.9 to 10
5.5 to 8.0
Thermal Shock Resistance, points 9.5 to 17
13 to 24

Alloy Composition


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Gold (Au), % 0
68.5 to 69.5
Platinum (Pt), % 0
5.5 to 6.5
Silver (Ag), % 99.9 to 100
24.5 to 25.5
Sulfur (S), % 0
0 to 0.010
Residuals, % 0 to 0.1
0 to 0.26

Comparable Variants