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CC140C Copper vs. AWS BAg-8a

CC140C copper belongs to the copper alloys classification, while AWS BAg-8a belongs to the otherwise unclassified metals. They have a modest 28% 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 CC140C copper and the bottom bar is AWS BAg-8a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
83
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 340
150

Thermal Properties

Latent Heat of Fusion, J/g 210
140
Melting Completion (Liquidus), °C 1100
770
Melting Onset (Solidus), °C 1040
770
Specific Heat Capacity, J/kg-K 390
290
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 8.9
10

Common Calculations

Stiffness to Weight: Axial, points 7.3
4.6
Stiffness to Weight: Bending, points 18
15
Strength to Weight: Axial, points 10
4.2
Strength to Weight: Bending, points 12
6.3
Thermal Shock Resistance, points 12
6.7

Alloy Composition

Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.8 to 99.6
26.4 to 28.8
Lithium (Li), % 0
0.25 to 0.5
Silver (Ag), % 0
71 to 73
Residuals, % 0
0 to 0.15