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AWS BAg-2a vs. C70250 Copper

AWS BAg-2a belongs to the otherwise unclassified metals classification, while C70250 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 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-2a and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 31
44
Tensile Strength: Ultimate (UTS), MPa 170
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 130
220
Melting Completion (Liquidus), °C 710
1100
Melting Onset (Solidus), °C 610
1080
Specific Heat Capacity, J/kg-K 310
390
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 30
2.9
Embodied Energy, MJ/kg 470
45

Common Calculations

Stiffness to Weight: Axial, points 5.2
7.4
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 5.4
16 to 23
Strength to Weight: Bending, points 7.8
16 to 21
Thermal Shock Resistance, points 6.5
18 to 26

Alloy Composition

Cadmium (Cd), % 19 to 21
0
Copper (Cu), % 26 to 28
92.7 to 97.5
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
2.2 to 4.2
Silicon (Si), % 0
0.25 to 1.2
Silver (Ag), % 29 to 31
0
Zinc (Zn), % 21 to 25
0 to 1.0
Residuals, % 0
0 to 0.5