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C90200 Bronze vs. AWS BVAu-2

C90200 bronze belongs to the copper alloys classification, while AWS BVAu-2 belongs to the otherwise unclassified metals. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 BVAu-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 41
36
Tensile Strength: Ultimate (UTS), MPa 260
150

Thermal Properties

Latent Heat of Fusion, J/g 200
92
Melting Completion (Liquidus), °C 1050
890
Melting Onset (Solidus), °C 880
890
Specific Heat Capacity, J/kg-K 370
180
Thermal Expansion, µm/m-K 18
15

Otherwise Unclassified Properties

Density, g/cm3 8.8
17

Common Calculations

Stiffness to Weight: Axial, points 7.0
3.3
Stiffness to Weight: Bending, points 18
9.1
Strength to Weight: Axial, points 8.3
2.4
Strength to Weight: Bending, points 10
3.6
Thermal Shock Resistance, points 9.5
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 91 to 94
19.5 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.3
0 to 0.0020
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0 to 0.0020
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 to 0.0010
Residuals, % 0 to 0.6
0