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AWS BVAg-29 vs. C87900 Brass

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while C87900 brass belongs to the copper alloys. They have a modest 24% 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 AWS BVAg-29 and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Poisson's Ratio 0.37
0.31
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 180
480

Thermal Properties

Latent Heat of Fusion, J/g 120
190
Melting Completion (Liquidus), °C 710
930
Melting Onset (Solidus), °C 620
900
Specific Heat Capacity, J/kg-K 270
390
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.1

Common Calculations

Stiffness to Weight: Axial, points 4.2
7.3
Stiffness to Weight: Bending, points 14
20
Strength to Weight: Axial, points 5.2
17
Strength to Weight: Bending, points 7.3
17
Thermal Shock Resistance, points 8.8
16

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), % 22.5 to 25.5
63 to 69.2
Indium (In), % 14 to 15
0
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0 to 0.0020
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.0020
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Silver (Ag), % 60.5 to 62.5
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.0010
30 to 36