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AWS BAg-9 vs. CR011A Copper

AWS BAg-9 belongs to the otherwise unclassified metals classification, while CR011A copper belongs to the copper alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-9 and the bottom bar is CR011A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
120
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 31
43
Tensile Strength: Ultimate (UTS), MPa 140
220

Thermal Properties

Latent Heat of Fusion, J/g 130
210
Melting Completion (Liquidus), °C 720
1090
Melting Onset (Solidus), °C 670
1040
Specific Heat Capacity, J/kg-K 290
390
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Density, g/cm3 9.6
9.0
Embodied Energy, MJ/kg 980
42

Common Calculations

Stiffness to Weight: Axial, points 4.8
7.2
Stiffness to Weight: Bending, points 15
18
Strength to Weight: Axial, points 4.1
6.8
Strength to Weight: Bending, points 6.3
9.0
Thermal Shock Resistance, points 6.0
7.8

Alloy Composition


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Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 19 to 21
99.88 to 99.97
Oxygen (O), % 0
0 to 0.040
Silver (Ag), % 64 to 66
0.030 to 0.050
Zinc (Zn), % 13 to 17
0
Residuals, % 0 to 0.15
0