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C94700 Bronze vs. ASTM B617 Coin Silver

C94700 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 (11, in this case) are not shown.

For each property being compared, the top bar is C94700 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, % 7.9 to 32
1.1 to 22
Poisson's Ratio 0.34
0.37
Shear Modulus, GPa 43
28
Tensile Strength: Ultimate (UTS), MPa 350 to 590
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 200
120
Melting Completion (Liquidus), °C 1030
870
Melting Onset (Solidus), °C 900
780
Specific Heat Capacity, J/kg-K 380
250
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
83
Electrical Conductivity: Equal Weight (Specific), % IACS 12
72

Otherwise Unclassified Properties

Density, g/cm3 8.8
10

Common Calculations

Stiffness to Weight: Axial, points 7.3
4.1
Stiffness to Weight: Bending, points 18
14
Strength to Weight: Axial, points 11 to 19
7.7 to 14
Strength to Weight: Bending, points 13 to 18
9.3 to 14
Thermal Shock Resistance, points 12 to 21
14 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.15
0
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 85 to 90
9.0 to 10.4
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0 to 0.1
0 to 0.030
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 4.5 to 6.0
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), % 4.5 to 6.0
0
Zinc (Zn), % 1.0 to 2.5
0 to 0.060
Residuals, % 0
0 to 0.060