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C21000 Brass vs. AWS BVAu-7

C21000 brass belongs to the copper alloys classification, while AWS BVAu-7 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-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.34
0.38
Shear Modulus, GPa 43
45
Tensile Strength: Ultimate (UTS), MPa 240 to 450
200

Thermal Properties

Latent Heat of Fusion, J/g 200
140
Melting Completion (Liquidus), °C 1070
1120
Melting Onset (Solidus), °C 1050
1100
Specific Heat Capacity, J/kg-K 390
240
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Density, g/cm3 8.8
15

Common Calculations

Stiffness to Weight: Axial, points 7.2
4.7
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 7.4 to 14
3.7
Strength to Weight: Bending, points 9.6 to 15
5.1
Thermal Shock Resistance, points 8.1 to 15
8.9

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Cobalt (Co), % 0
0 to 0.060
Copper (Cu), % 94 to 96
0
Gold (Au), % 0
49.5 to 50.5
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.030
0 to 0.0020
Nickel (Ni), % 0
24.5 to 25.5
Palladium (Pd), % 0
23.9 to 26
Phosphorus (P), % 0
0 to 0.0020
Zinc (Zn), % 3.7 to 6.0
0 to 0.0010
Residuals, % 0 to 0.2
0