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AWS BVAg-18 vs. C81400 Copper

AWS BVAg-18 belongs to the otherwise unclassified metals classification, while C81400 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 (13, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-18 and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
120
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 30
41
Tensile Strength: Ultimate (UTS), MPa 180
370

Thermal Properties

Latent Heat of Fusion, J/g 140
210
Melting Completion (Liquidus), °C 720
1090
Melting Onset (Solidus), °C 600
1070
Specific Heat Capacity, J/kg-K 280
390
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.9
Embodied Carbon, kg CO2/kg material 59
2.8
Embodied Energy, MJ/kg 930
45

Common Calculations

Stiffness to Weight: Axial, points 4.7
7.3
Stiffness to Weight: Bending, points 15
18
Strength to Weight: Axial, points 5.1
11
Strength to Weight: Bending, points 7.3
13
Thermal Shock Resistance, points 8.1
13

Alloy Composition


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Beryllium (Be), % 0
0.020 to 0.1
Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 28.5 to 31.5
98.4 to 99.38
Lead (Pb), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 59 to 61
0
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.5