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AWS BAg-2 vs. C55181 Copper

AWS BAg-2 belongs to the otherwise unclassified metals classification, while C55181 copper belongs to the copper alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 18 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-2 and the bottom bar is C55181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 31
40
Tensile Strength: Ultimate (UTS), MPa 180
200

Thermal Properties

Brazing Temperature, °C 700 to 840
730 to 840
Latent Heat of Fusion, J/g 130
190
Melting Completion (Liquidus), °C 700
790
Melting Onset (Solidus), °C 610
710
Specific Heat Capacity, J/kg-K 310
410
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 35
2.4
Embodied Energy, MJ/kg 550
38

Common Calculations

Stiffness to Weight: Axial, points 5.1
7.0
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.6
6.5
Strength to Weight: Bending, points 7.9
8.9
Thermal Shock Resistance, points 7.0
8.2

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Copper (Cu), % 25 to 27
92.4 to 93
Phosphorus (P), % 0
7.0 to 7.5
Silver (Ag), % 34 to 36
0
Zinc (Zn), % 19 to 23
0
Residuals, % 0
0 to 0.15