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CR009A Copper vs. AWS BVAu-2

CR009A copper 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 (14, in this case) are not shown.

For each property being compared, the top bar is CR009A copper and the bottom bar is AWS BVAu-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 43
36
Tensile Strength: Ultimate (UTS), MPa 230
150

Thermal Properties

Latent Heat of Fusion, J/g 210
92
Melting Completion (Liquidus), °C 1090
890
Melting Onset (Solidus), °C 1040
890
Specific Heat Capacity, J/kg-K 390
180
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Density, g/cm3 9.0
17

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.3
Stiffness to Weight: Bending, points 18
9.1
Strength to Weight: Axial, points 7.1
2.4
Strength to Weight: Bending, points 9.3
3.6
Thermal Shock Resistance, points 8.1
7.1

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 99.99 to 100
19.5 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 0 to 0.0010
0
Lead (Pb), % 0 to 0.00050
0 to 0.0020
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
0
Phosphorus (P), % 0 to 0.0030
0 to 0.0020
Selenium (Se), % 0 to 0.00020
0
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
0 to 0.0010