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AWS BAg-37 vs. C18700 Copper

AWS BAg-37 belongs to the otherwise unclassified metals classification, while C18700 copper belongs to the copper alloys. They have 40% of their average alloy composition in common. 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 BAg-37 and the bottom bar is C18700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 36
43
Tensile Strength: Ultimate (UTS), MPa 180
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 150
210
Melting Completion (Liquidus), °C 780
1080
Melting Onset (Solidus), °C 690
950
Specific Heat Capacity, J/kg-K 350
380
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Density, g/cm3 8.5
9.0
Embodied Carbon, kg CO2/kg material 26
2.6
Embodied Energy, MJ/kg 410
41

Common Calculations

Stiffness to Weight: Axial, points 6.1
7.1
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 5.9
9.0 to 10
Strength to Weight: Bending, points 8.3
11 to 12
Thermal Shock Resistance, points 6.6
10 to 12

Alloy Composition

Copper (Cu), % 39 to 41
98 to 99.2
Lead (Pb), % 0
0.8 to 1.5
Silver (Ag), % 24 to 26
0
Tin (Sn), % 1.5 to 2.5
0
Zinc (Zn), % 31 to 35
0
Residuals, % 0
0 to 0.5