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CC766S Brass vs. AWS BAu-2

CC766S brass belongs to the copper alloys classification, while AWS BAu-2 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (15, 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 CC766S brass and the bottom bar is AWS BAu-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.31
0.4
Shear Modulus, GPa 40
36
Tensile Strength: Ultimate (UTS), MPa 500
150

Thermal Properties

Latent Heat of Fusion, J/g 180
92
Melting Completion (Liquidus), °C 840
890
Melting Onset (Solidus), °C 800
890
Specific Heat Capacity, J/kg-K 390
180
Thermal Expansion, µm/m-K 20
15

Otherwise Unclassified Properties

Density, g/cm3 8.0
17

Common Calculations

Stiffness to Weight: Axial, points 7.3
3.3
Stiffness to Weight: Bending, points 20
9.1
Strength to Weight: Axial, points 17
2.4
Strength to Weight: Bending, points 18
3.6
Thermal Shock Resistance, points 17
7.1

Alloy Composition

Aluminum (Al), % 0.3 to 1.8
0
Antimony (Sb), % 0 to 0.1
0
Copper (Cu), % 58 to 64
19.4 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 2.0
0
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 29.5 to 41.7
0
Residuals, % 0
0 to 0.15