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C87500 Brass vs. AWS BVAg-31

C87500 brass belongs to the copper alloys classification, while AWS BVAg-31 belongs to the otherwise unclassified metals. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
90
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 42
33
Tensile Strength: Ultimate (UTS), MPa 460
180

Thermal Properties

Latent Heat of Fusion, J/g 260
150
Melting Completion (Liquidus), °C 920
850
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 410
280
Thermal Expansion, µm/m-K 18
18

Otherwise Unclassified Properties

Density, g/cm3 8.3
10

Common Calculations

Stiffness to Weight: Axial, points 7.4
4.9
Stiffness to Weight: Bending, points 19
15
Strength to Weight: Axial, points 16
4.9
Strength to Weight: Bending, points 16
7.0
Thermal Shock Resistance, points 17
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 79 to 85
31 to 33
Lead (Pb), % 0 to 0.5
0 to 0.0020
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0
0 to 0.0020
Silicon (Si), % 3.0 to 5.0
0
Silver (Ag), % 0
57 to 59
Zinc (Zn), % 12 to 16
0 to 0.0010
Residuals, % 0 to 0.5
0