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AWS BVAg-8 vs. C87700 Bronze

AWS BVAg-8 belongs to the otherwise unclassified metals classification, while C87700 bronze belongs to the copper alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-8 and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
110
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 31
42
Tensile Strength: Ultimate (UTS), MPa 170
300

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Melting Completion (Liquidus), °C 780
980
Melting Onset (Solidus), °C 780
900
Specific Heat Capacity, J/kg-K 280
400
Thermal Expansion, µm/m-K 19
18

Otherwise Unclassified Properties

Density, g/cm3 10
8.5

Common Calculations

Stiffness to Weight: Axial, points 4.6
7.4
Stiffness to Weight: Bending, points 14
19
Strength to Weight: Axial, points 4.7
9.8
Strength to Weight: Bending, points 6.8
12
Thermal Shock Resistance, points 7.6
11

Alloy Composition

Antimony (Sb), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 27 to 29
87.5 to 90.5
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.0020
0 to 0.090
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.0020
0 to 0.15
Silicon (Si), % 0
2.5 to 3.5
Silver (Ag), % 71 to 73
0
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 0 to 0.0010
7.0 to 9.0
Residuals, % 0
0 to 0.8