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AWS BAu-1 vs. C84800 Brass

AWS BAu-1 belongs to the otherwise unclassified metals classification, while C84800 brass belongs to the copper alloys. They have 63% of their average alloy composition in common. 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 AWS BAu-1 and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.37
0.33
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 210
230

Thermal Properties

Latent Heat of Fusion, J/g 150
180
Melting Completion (Liquidus), °C 1020
950
Melting Onset (Solidus), °C 990
830
Specific Heat Capacity, J/kg-K 290
370
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Density, g/cm3 13
8.6

Common Calculations

Stiffness to Weight: Axial, points 4.7
6.6
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 4.5
7.3
Strength to Weight: Bending, points 6.1
9.6
Thermal Shock Resistance, points 8.5
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 61.9 to 63
75 to 77
Gold (Au), % 37 to 38
0
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
5.5 to 7.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 3.0
Zinc (Zn), % 0
13 to 17
Residuals, % 0
0 to 0.7