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CC760S Brass vs. ASTM B596 Au-Cu

CC760S brass belongs to the copper alloys classification, while ASTM B596 Au-Cu 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. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is CC760S brass and the bottom bar is ASTM B596 Au-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 22
4.3 to 17
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 42
36
Tensile Strength: Ultimate (UTS), MPa 180
450 to 620

Thermal Properties

Latent Heat of Fusion, J/g 190
77
Melting Completion (Liquidus), °C 1000
1060
Melting Onset (Solidus), °C 940
930
Specific Heat Capacity, J/kg-K 390
150
Thermal Expansion, µm/m-K 19
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
14
Electrical Conductivity: Equal Weight (Specific), % IACS 40
6.7

Otherwise Unclassified Properties

Density, g/cm3 8.6
18

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.1
Stiffness to Weight: Bending, points 19
8.5
Strength to Weight: Axial, points 5.8
6.8 to 9.4
Strength to Weight: Bending, points 8.2
7.1 to 8.8
Thermal Shock Resistance, points 6.2
22 to 30

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
9.0 to 11
Gold (Au), % 0
89 to 91
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 0 to 0.020
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 10.7 to 17
0
Residuals, % 0
0 to 0.4