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C61800 Bronze vs. AWS BAg-9

C61800 bronze belongs to the copper alloys classification, while AWS BAg-9 belongs to the otherwise unclassified metals. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 16 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
82
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 740
140

Thermal Properties

Latent Heat of Fusion, J/g 230
130
Melting Completion (Liquidus), °C 1050
720
Melting Onset (Solidus), °C 1040
670
Specific Heat Capacity, J/kg-K 440
290
Thermal Expansion, µm/m-K 18
20

Otherwise Unclassified Properties

Density, g/cm3 8.3
9.6
Embodied Energy, MJ/kg 52
980

Common Calculations

Stiffness to Weight: Axial, points 7.5
4.8
Stiffness to Weight: Bending, points 19
15
Strength to Weight: Axial, points 25
4.1
Strength to Weight: Bending, points 22
6.3
Thermal Shock Resistance, points 26
6.0

Alloy Composition

Aluminum (Al), % 8.5 to 11
0
Copper (Cu), % 86.9 to 91
19 to 21
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
64 to 66
Zinc (Zn), % 0 to 0.020
13 to 17
Residuals, % 0
0 to 0.15