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C64800 Bronze vs. AWS BAg-7

C64800 bronze belongs to the copper alloys classification, while AWS BAg-7 belongs to the otherwise unclassified metals. They have a modest 23% 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 C64800 bronze and the bottom bar is AWS BAg-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
83
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 640
150

Thermal Properties

Latent Heat of Fusion, J/g 220
130
Melting Completion (Liquidus), °C 1090
650
Melting Onset (Solidus), °C 1030
620
Specific Heat Capacity, J/kg-K 390
290
Thermal Expansion, µm/m-K 17
20

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.3
Embodied Carbon, kg CO2/kg material 2.7
55
Embodied Energy, MJ/kg 43
860

Common Calculations

Stiffness to Weight: Axial, points 7.4
4.9
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 20
4.5
Strength to Weight: Bending, points 19
6.7
Thermal Shock Resistance, points 23
6.4

Alloy Composition

Chromium (Cr), % 0 to 0.090
0
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
21 to 23
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.5
0
Silicon (Si), % 0.2 to 1.0
0
Silver (Ag), % 0
55 to 57
Tin (Sn), % 0 to 0.5
4.5 to 5.5
Zinc (Zn), % 0 to 0.5
15 to 19
Residuals, % 0
0 to 0.15