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C90200 Bronze vs. AWS BAu-3

C90200 bronze belongs to the copper alloys classification, while AWS BAu-3 belongs to the otherwise unclassified metals. They have 62% of their average alloy composition in common. 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 C90200 bronze and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.37
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 260
220

Thermal Properties

Latent Heat of Fusion, J/g 200
160
Melting Completion (Liquidus), °C 1050
1030
Melting Onset (Solidus), °C 880
970
Specific Heat Capacity, J/kg-K 370
300
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Density, g/cm3 8.8
13

Common Calculations

Stiffness to Weight: Axial, points 7.0
5.0
Stiffness to Weight: Bending, points 18
13
Strength to Weight: Axial, points 8.3
4.9
Strength to Weight: Bending, points 10
6.4
Thermal Shock Resistance, points 9.5
8.7

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 91 to 94
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.5
2.5 to 3.5
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 6.0 to 8.0
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.15