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AWS BAg-8a vs. C12000 Copper

AWS BAg-8a belongs to the otherwise unclassified metals classification, while C12000 copper belongs to the copper alloys. 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 (17, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-8a and the bottom bar is C12000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
120
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 31
43
Tensile Strength: Ultimate (UTS), MPa 150
230 to 410

Thermal Properties

Latent Heat of Fusion, J/g 140
210
Melting Completion (Liquidus), °C 770
1080
Melting Onset (Solidus), °C 770
1080
Specific Heat Capacity, J/kg-K 290
390
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Density, g/cm3 10
9.0

Common Calculations

Stiffness to Weight: Axial, points 4.6
7.2
Stiffness to Weight: Bending, points 15
18
Strength to Weight: Axial, points 4.2
7.2 to 13
Strength to Weight: Bending, points 6.3
9.4 to 14
Thermal Shock Resistance, points 6.7
8.2 to 15

Alloy Composition

Copper (Cu), % 26.4 to 28.8
99.9 to 99.996
Lithium (Li), % 0.25 to 0.5
0
Phosphorus (P), % 0
0.0040 to 0.012
Silver (Ag), % 71 to 73
0
Residuals, % 0 to 0.15
0