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C87800 Brass vs. ASTM B617 Coin Silver

C87800 brass 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 C87800 brass 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, % 25
1.1 to 22
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 42
28
Tensile Strength: Ultimate (UTS), MPa 590
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 260
120
Melting Completion (Liquidus), °C 920
870
Melting Onset (Solidus), °C 820
780
Specific Heat Capacity, J/kg-K 410
250
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
83
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
72

Otherwise Unclassified Properties

Density, g/cm3 8.3
10

Common Calculations

Stiffness to Weight: Axial, points 7.4
4.1
Stiffness to Weight: Bending, points 19
14
Strength to Weight: Axial, points 20
7.7 to 14
Strength to Weight: Bending, points 19
9.3 to 14
Thermal Shock Resistance, points 21
14 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.0050
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 80 to 84.2
9.0 to 10.4
Iron (Fe), % 0 to 0.15
0 to 0.050
Lead (Pb), % 0 to 0.15
0 to 0.030
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.2
0 to 0.010
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 3.8 to 4.2
0
Silver (Ag), % 0
89.6 to 91
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 12 to 16
0 to 0.060
Residuals, % 0
0 to 0.060