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AWS BAg-7 vs. C99300 Copper

AWS BAg-7 belongs to the otherwise unclassified metals classification, while C99300 copper belongs to the copper alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 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-7 and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
120
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 31
46
Tensile Strength: Ultimate (UTS), MPa 150
660

Thermal Properties

Latent Heat of Fusion, J/g 130
240
Melting Completion (Liquidus), °C 650
1080
Melting Onset (Solidus), °C 620
1070
Specific Heat Capacity, J/kg-K 290
450
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.2
Embodied Carbon, kg CO2/kg material 55
4.5
Embodied Energy, MJ/kg 860
70

Common Calculations

Stiffness to Weight: Axial, points 4.9
8.3
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 4.5
22
Strength to Weight: Bending, points 6.7
20
Thermal Shock Resistance, points 6.4
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 21 to 23
68.6 to 74.4
Iron (Fe), % 0
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Nickel (Ni), % 0
13.5 to 16.5
Silicon (Si), % 0
0 to 0.020
Silver (Ag), % 55 to 57
0
Tin (Sn), % 4.5 to 5.5
0 to 0.050
Zinc (Zn), % 15 to 19
0
Residuals, % 0
0 to 0.3