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AWS BAg-4 vs. CR019A Copper

AWS BAg-4 belongs to the otherwise unclassified metals classification, while CR019A copper belongs to the copper alloys. They have a modest 30% 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 (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-4 and the bottom bar is CR019A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 91
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 34
43
Tensile Strength: Ultimate (UTS), MPa 150
220

Thermal Properties

Latent Heat of Fusion, J/g 140
210
Melting Completion (Liquidus), °C 780
1090
Melting Onset (Solidus), °C 670
1040
Specific Heat Capacity, J/kg-K 330
390
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 40
2.7
Embodied Energy, MJ/kg 630
42

Common Calculations

Stiffness to Weight: Axial, points 5.7
7.2
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 4.7
6.8
Strength to Weight: Bending, points 7.1
9.0
Thermal Shock Resistance, points 5.7
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 29 to 31
99.874 to 99.92
Nickel (Ni), % 1.5 to 2.5
0
Silver (Ag), % 39 to 41
0.080 to 0.12
Zinc (Zn), % 26 to 30
0
Residuals, % 0 to 0.15
0