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C87900 Brass vs. AWS BVAg-31

C87900 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 (15, in this case) are not shown.

For each property being compared, the top bar is C87900 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 0.31
0.36
Shear Modulus, GPa 41
33
Tensile Strength: Ultimate (UTS), MPa 480
180

Thermal Properties

Latent Heat of Fusion, J/g 190
150
Melting Completion (Liquidus), °C 930
850
Melting Onset (Solidus), °C 900
820
Specific Heat Capacity, J/kg-K 390
280
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Density, g/cm3 8.1
10

Common Calculations

Stiffness to Weight: Axial, points 7.3
4.9
Stiffness to Weight: Bending, points 20
15
Strength to Weight: Axial, points 17
4.9
Strength to Weight: Bending, points 17
7.0
Thermal Shock Resistance, points 16
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 63 to 69.2
31 to 33
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0 to 0.25
0 to 0.0020
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0 to 0.010
0 to 0.0020
Silicon (Si), % 0.8 to 1.2
0
Silver (Ag), % 0
57 to 59
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0 to 0.0010