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CC212E Bronze vs. ASTM B617 Coin Silver

CC212E bronze belongs to the copper alloys classification, while ASTM B617 coin silver belongs to the otherwise unclassified metals. There are 18 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 CC212E bronze and the bottom bar is ASTM B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
75
Elongation at Break, % 20
1.1 to 22
Poisson's Ratio 0.34
0.37
Shear Modulus, GPa 47
28
Tensile Strength: Ultimate (UTS), MPa 710
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 230
120
Melting Completion (Liquidus), °C 1080
870
Melting Onset (Solidus), °C 1020
780
Specific Heat Capacity, J/kg-K 440
250
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
83
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
72

Otherwise Unclassified Properties

Density, g/cm3 8.2
10

Common Calculations

Stiffness to Weight: Axial, points 8.5
4.1
Stiffness to Weight: Bending, points 20
14
Strength to Weight: Axial, points 24
7.7 to 14
Strength to Weight: Bending, points 21
9.3 to 14
Thermal Shock Resistance, points 22
14 to 25

Alloy Composition

Aluminum (Al), % 7.0 to 9.0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 68 to 77
9.0 to 10.4
Iron (Fe), % 2.0 to 4.0
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.030
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 8.0 to 15
0
Nickel (Ni), % 1.5 to 4.5
0 to 0.010
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
89.6 to 91
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 1.0
0 to 0.060
Residuals, % 0
0 to 0.060