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AWS BVAu-4 vs. C87800 Brass

AWS BVAu-4 belongs to the otherwise unclassified metals classification, while C87800 brass belongs to the copper alloys. 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 AWS BVAu-4 and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 190
590

Thermal Properties

Latent Heat of Fusion, J/g 100
260
Melting Completion (Liquidus), °C 950
920
Melting Onset (Solidus), °C 950
820
Specific Heat Capacity, J/kg-K 190
410
Thermal Expansion, µm/m-K 14
18

Otherwise Unclassified Properties

Density, g/cm3 17
8.3

Common Calculations

Stiffness to Weight: Axial, points 3.6
7.4
Stiffness to Weight: Bending, points 9.3
19
Strength to Weight: Axial, points 3.0
20
Strength to Weight: Bending, points 4.2
19
Thermal Shock Resistance, points 8.7
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 0
80 to 84.2
Gold (Au), % 81.5 to 82.5
0
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.0020
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 17.5 to 18.5
0 to 0.2
Phosphorus (P), % 0 to 0.0020
0 to 0.010
Silicon (Si), % 0
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.0010
12 to 16
Residuals, % 0
0 to 0.5