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C12900 Copper vs. ASTM B617 Coin Silver

C12900 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 (11, in this case) are not shown.

For each property being compared, the top bar is C12900 copper and the bottom bar is ASTM B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
75
Elongation at Break, % 2.8 to 50
1.1 to 22
Poisson's Ratio 0.34
0.37
Shear Modulus, GPa 43
28
Shear Strength, MPa 150 to 210
180 to 290
Tensile Strength: Ultimate (UTS), MPa 220 to 420
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 210
120
Melting Completion (Liquidus), °C 1080
870
Melting Onset (Solidus), °C 1030
780
Specific Heat Capacity, J/kg-K 390
250
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
83
Electrical Conductivity: Equal Weight (Specific), % IACS 98
72

Otherwise Unclassified Properties

Density, g/cm3 9.0
10

Common Calculations

Stiffness to Weight: Axial, points 7.2
4.1
Stiffness to Weight: Bending, points 18
14
Strength to Weight: Axial, points 6.8 to 13
7.7 to 14
Strength to Weight: Bending, points 9.1 to 14
9.3 to 14
Thermal Shock Resistance, points 7.8 to 15
14 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 99.88 to 100
9.0 to 10.4
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.0040
0 to 0.030
Nickel (Ni), % 0 to 0.050
0 to 0.010
Phosphorus (P), % 0
0 to 0.020
Silver (Ag), % 0 to 0.054
89.6 to 91
Tellurium (Te), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.060