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C19800 Copper vs. ASTM B617 Coin Silver

C19800 copper belongs to the copper alloys classification, while ASTM B617 coin silver belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C19800 copper and the bottom bar is ASTM B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
75
Elongation at Break, % 9.0 to 12
1.1 to 22
Poisson's Ratio 0.34
0.37
Shear Modulus, GPa 43
28
Shear Strength, MPa 260 to 330
180 to 290
Tensile Strength: Ultimate (UTS), MPa 430 to 550
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 210
120
Melting Completion (Liquidus), °C 1070
870
Melting Onset (Solidus), °C 1050
780
Specific Heat Capacity, J/kg-K 390
250
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
83
Electrical Conductivity: Equal Weight (Specific), % IACS 62
72

Otherwise Unclassified Properties

Density, g/cm3 8.9
10

Common Calculations

Stiffness to Weight: Axial, points 7.2
4.1
Stiffness to Weight: Bending, points 18
14
Strength to Weight: Axial, points 14 to 17
7.7 to 14
Strength to Weight: Bending, points 14 to 17
9.3 to 14
Thermal Shock Resistance, points 15 to 20
14 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 95.7 to 99.47
9.0 to 10.4
Iron (Fe), % 0.020 to 0.5
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.1 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0.010 to 0.1
0 to 0.020
Silver (Ag), % 0
89.6 to 91
Tin (Sn), % 0.1 to 1.0
0
Zinc (Zn), % 0.3 to 1.5
0 to 0.060
Residuals, % 0
0 to 0.060