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C82000 Copper vs. AWS BAu-4

C82000 copper 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 C82000 copper and the bottom bar is AWS BAu-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 350 to 690
200

Thermal Properties

Latent Heat of Fusion, J/g 220
100
Melting Completion (Liquidus), °C 1090
950
Melting Onset (Solidus), °C 970
950
Specific Heat Capacity, J/kg-K 390
190
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Density, g/cm3 8.9
17

Common Calculations

Stiffness to Weight: Axial, points 7.5
3.6
Stiffness to Weight: Bending, points 18
9.3
Strength to Weight: Axial, points 11 to 22
3.2
Strength to Weight: Bending, points 12 to 20
4.4
Thermal Shock Resistance, points 12 to 24
9.2

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Beryllium (Be), % 0.45 to 0.8
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
0
Gold (Au), % 0
81.5 to 82.5
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.2
17.4 to 18.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.15