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CR018A Copper vs. AWS BAu-1

CR018A copper belongs to the copper alloys classification, while AWS BAu-1 belongs to the otherwise unclassified metals. They have 62% of their average alloy composition in common. 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 CR018A copper and the bottom bar is AWS BAu-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.37
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
210

Thermal Properties

Latent Heat of Fusion, J/g 210
150
Melting Completion (Liquidus), °C 1090
1020
Melting Onset (Solidus), °C 1040
990
Specific Heat Capacity, J/kg-K 390
290
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Density, g/cm3 9.0
13

Common Calculations

Stiffness to Weight: Axial, points 7.2
4.7
Stiffness to Weight: Bending, points 18
12
Strength to Weight: Axial, points 6.8
4.5
Strength to Weight: Bending, points 9.0
6.1
Thermal Shock Resistance, points 7.8
8.5

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.914 to 99.94
61.9 to 63
Gold (Au), % 0
37 to 38
Silver (Ag), % 0.060 to 0.080
0
Residuals, % 0
0 to 0.15