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CC491K Bronze vs. AWS BAu-4

CC491K bronze belongs to the copper alloys classification, while AWS BAu-4 belongs to the otherwise unclassified metals. 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 CC491K bronze and the bottom bar is AWS BAu-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 260
200

Thermal Properties

Latent Heat of Fusion, J/g 190
100
Melting Completion (Liquidus), °C 980
950
Melting Onset (Solidus), °C 900
950
Specific Heat Capacity, J/kg-K 370
190
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Density, g/cm3 8.9
17

Common Calculations

Stiffness to Weight: Axial, points 6.7
3.6
Stiffness to Weight: Bending, points 18
9.3
Strength to Weight: Axial, points 8.1
3.2
Strength to Weight: Bending, points 10
4.4
Thermal Shock Resistance, points 9.3
9.2

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
0
Gold (Au), % 0
81.5 to 82.5
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 4.0 to 6.0
0
Nickel (Ni), % 0 to 2.0
17.4 to 18.5
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0
Residuals, % 0
0 to 0.15