MakeItFrom.com
Menu (ESC)

C87700 Bronze vs. AWS BAg-4

C87700 bronze belongs to the copper alloys classification, while AWS BAg-4 belongs to the otherwise unclassified metals. They have a modest 38% 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 (12, in this case) are not shown.

For each property being compared, the top bar is C87700 bronze and the bottom bar is AWS BAg-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
91
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
34
Tensile Strength: Ultimate (UTS), MPa 300
150

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 980
780
Melting Onset (Solidus), °C 900
670
Specific Heat Capacity, J/kg-K 400
330
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 2.7
40
Embodied Energy, MJ/kg 45
630

Common Calculations

Stiffness to Weight: Axial, points 7.4
5.7
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 9.8
4.7
Strength to Weight: Bending, points 12
7.1
Thermal Shock Resistance, points 11
5.7

Alloy Composition

Antimony (Sb), % 0 to 0.1
0
Copper (Cu), % 87.5 to 90.5
29 to 31
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.8
0
Nickel (Ni), % 0 to 0.25
1.5 to 2.5
Phosphorus (P), % 0 to 0.15
0
Silicon (Si), % 2.5 to 3.5
0
Silver (Ag), % 0
39 to 41
Tin (Sn), % 0 to 2.0
0
Zinc (Zn), % 7.0 to 9.0
26 to 30
Residuals, % 0
0 to 0.15