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C87610 Bronze vs. AWS BAg-21

C87610 bronze belongs to the copper alloys classification, while AWS BAg-21 belongs to the otherwise unclassified metals. They have a modest 29% 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 (13, in this case) are not shown.

For each property being compared, the top bar is C87610 bronze and the bottom bar is AWS BAg-21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
85
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
31
Tensile Strength: Ultimate (UTS), MPa 350
150

Thermal Properties

Latent Heat of Fusion, J/g 270
140
Melting Completion (Liquidus), °C 970
800
Melting Onset (Solidus), °C 820
690
Specific Heat Capacity, J/kg-K 410
280
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 8.5
9.8
Embodied Energy, MJ/kg 43
970

Common Calculations

Stiffness to Weight: Axial, points 7.4
4.8
Stiffness to Weight: Bending, points 19
15
Strength to Weight: Axial, points 11
4.2
Strength to Weight: Bending, points 13
6.4
Thermal Shock Resistance, points 13
6.6

Alloy Composition

Copper (Cu), % 90 to 94
27.5 to 29.5
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0
2.0 to 3.0
Silicon (Si), % 3.0 to 5.0
0
Silver (Ag), % 0
62 to 64
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 3.0 to 5.0
0
Residuals, % 0
0 to 0.15