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C61800 Bronze vs. AWS BAg-7

C61800 bronze belongs to the copper alloys classification, while AWS BAg-7 belongs to the otherwise unclassified metals. They have a modest 22% 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 (15, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is AWS BAg-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
83
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 740
150

Thermal Properties

Latent Heat of Fusion, J/g 230
130
Melting Completion (Liquidus), °C 1050
650
Melting Onset (Solidus), °C 1040
620
Specific Heat Capacity, J/kg-K 440
290
Thermal Expansion, µm/m-K 18
20

Otherwise Unclassified Properties

Density, g/cm3 8.3
9.3
Embodied Carbon, kg CO2/kg material 3.1
55
Embodied Energy, MJ/kg 52
860

Common Calculations

Stiffness to Weight: Axial, points 7.5
4.9
Stiffness to Weight: Bending, points 19
16
Strength to Weight: Axial, points 25
4.5
Strength to Weight: Bending, points 22
6.7
Thermal Shock Resistance, points 26
6.4

Alloy Composition

Aluminum (Al), % 8.5 to 11
0
Copper (Cu), % 86.9 to 91
21 to 23
Iron (Fe), % 0.5 to 1.5
0
Lead (Pb), % 0 to 0.020
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
55 to 57
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0 to 0.020
15 to 19
Residuals, % 0
0 to 0.15