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C69400 Brass vs. AWS BAu-3

C69400 brass belongs to the copper alloys classification, while AWS BAu-3 belongs to the otherwise unclassified metals. They have 62% of their average alloy composition in common. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 570
220

Thermal Properties

Latent Heat of Fusion, J/g 260
160
Melting Completion (Liquidus), °C 920
1030
Melting Onset (Solidus), °C 820
970
Specific Heat Capacity, J/kg-K 410
300
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Density, g/cm3 8.3
13

Common Calculations

Stiffness to Weight: Axial, points 7.4
5.0
Stiffness to Weight: Bending, points 19
13
Strength to Weight: Axial, points 19
4.9
Strength to Weight: Bending, points 18
6.4
Thermal Shock Resistance, points 20
8.7

Alloy Composition

Copper (Cu), % 80 to 83
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.3
0
Nickel (Ni), % 0
2.5 to 3.5
Silicon (Si), % 3.5 to 4.5
0
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0
0 to 0.15