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CR012A Copper vs. AWS BVAg-18

CR012A copper belongs to the copper alloys classification, while AWS BVAg-18 belongs to the otherwise unclassified metals. 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 CR012A copper and the bottom bar is AWS BVAg-18.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
82
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
30
Tensile Strength: Ultimate (UTS), MPa 220
180

Thermal Properties

Latent Heat of Fusion, J/g 210
140
Melting Completion (Liquidus), °C 1090
720
Melting Onset (Solidus), °C 1040
600
Specific Heat Capacity, J/kg-K 390
280
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 9.0
9.7
Embodied Carbon, kg CO2/kg material 2.7
59
Embodied Energy, MJ/kg 42
930

Common Calculations

Stiffness to Weight: Axial, points 7.2
4.7
Stiffness to Weight: Bending, points 18
15
Strength to Weight: Axial, points 6.8
5.1
Strength to Weight: Bending, points 9.0
7.3
Thermal Shock Resistance, points 7.8
8.1

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 99.85 to 99.94
28.5 to 31.5
Lead (Pb), % 0
0 to 0.0020
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 0.060 to 0.080
59 to 61
Tin (Sn), % 0
9.5 to 10.5
Zinc (Zn), % 0
0 to 0.0010