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C90200 Bronze vs. ASTM B617 Coin Silver

C90200 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 (12, in this case) are not shown.

For each property being compared, the top bar is C90200 bronze 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, % 30
1.1 to 22
Poisson's Ratio 0.34
0.37
Shear Modulus, GPa 41
28
Tensile Strength: Ultimate (UTS), MPa 260
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 200
120
Melting Completion (Liquidus), °C 1050
870
Melting Onset (Solidus), °C 880
780
Specific Heat Capacity, J/kg-K 370
250
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
83
Electrical Conductivity: Equal Weight (Specific), % IACS 13
72

Otherwise Unclassified Properties

Density, g/cm3 8.8
10

Common Calculations

Stiffness to Weight: Axial, points 7.0
4.1
Stiffness to Weight: Bending, points 18
14
Strength to Weight: Axial, points 8.3
7.7 to 14
Strength to Weight: Bending, points 10
9.3 to 14
Thermal Shock Resistance, points 9.5
14 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 91 to 94
9.0 to 10.4
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 0 to 0.3
0 to 0.030
Nickel (Ni), % 0 to 0.5
0 to 0.010
Phosphorus (P), % 0 to 0.050
0 to 0.020
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
89.6 to 91
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 6.0 to 8.0
0
Zinc (Zn), % 0 to 0.5
0 to 0.060
Residuals, % 0
0 to 0.060