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C87900 Brass vs. AWS BAg-20

C87900 brass belongs to the copper alloys classification, while AWS BAg-20 belongs to the otherwise unclassified metals. They have 70% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is AWS BAg-20.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
93
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
35
Tensile Strength: Ultimate (UTS), MPa 480
160

Thermal Properties

Latent Heat of Fusion, J/g 190
150
Melting Completion (Liquidus), °C 930
770
Melting Onset (Solidus), °C 900
680
Specific Heat Capacity, J/kg-K 390
340
Thermal Expansion, µm/m-K 20
21

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 2.7
30
Embodied Energy, MJ/kg 46
480

Common Calculations

Stiffness to Weight: Axial, points 7.3
6.0
Stiffness to Weight: Bending, points 20
17
Strength to Weight: Axial, points 17
5.1
Strength to Weight: Bending, points 17
7.6
Thermal Shock Resistance, points 16
5.9

Alloy Composition


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Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
37 to 39
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0
Silver (Ag), % 0
29 to 31
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
30 to 34
Residuals, % 0
0 to 0.15