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C21000 Brass vs. AWS BVAu-4

C21000 brass belongs to the copper alloys classification, while AWS BVAu-4 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is AWS BVAu-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 240 to 450
190

Thermal Properties

Latent Heat of Fusion, J/g 200
100
Melting Completion (Liquidus), °C 1070
950
Melting Onset (Solidus), °C 1050
950
Specific Heat Capacity, J/kg-K 390
190
Thermal Expansion, µm/m-K 18
14

Otherwise Unclassified Properties

Density, g/cm3 8.8
17

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.6
Stiffness to Weight: Bending, points 18
9.3
Strength to Weight: Axial, points 7.4 to 14
3.0
Strength to Weight: Bending, points 9.6 to 15
4.2
Thermal Shock Resistance, points 8.1 to 15
8.7

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 94 to 96
0
Gold (Au), % 0
81.5 to 82.5
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.030
0 to 0.0020
Nickel (Ni), % 0
17.5 to 18.5
Phosphorus (P), % 0
0 to 0.0020
Zinc (Zn), % 3.7 to 6.0
0 to 0.0010
Residuals, % 0 to 0.2
0