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AWS BAu-5 vs. C90900 Bronze

AWS BAu-5 belongs to the otherwise unclassified metals classification, while C90900 bronze belongs to the copper alloys. 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 BAu-5 and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 50
40
Tensile Strength: Ultimate (UTS), MPa 210
280

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Melting Completion (Liquidus), °C 1170
980
Melting Onset (Solidus), °C 1140
820
Specific Heat Capacity, J/kg-K 280
360
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Density, g/cm3 13
8.7

Common Calculations

Stiffness to Weight: Axial, points 5.8
6.8
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 4.5
8.8
Strength to Weight: Bending, points 6.0
11
Thermal Shock Resistance, points 9.0
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0
86 to 89
Gold (Au), % 29.5 to 30.5
0
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Nickel (Ni), % 35.5 to 36.4
0 to 0.5
Palladium (Pd), % 33.5 to 34.5
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.6