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C91700 Bronze vs. AWS BAg-27

C91700 bronze belongs to the copper alloys classification, while AWS BAg-27 belongs to the otherwise unclassified metals. They have a modest 35% 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 (13, in this case) are not shown.

For each property being compared, the top bar is C91700 bronze and the bottom bar is AWS BAg-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
88
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 41
33
Tensile Strength: Ultimate (UTS), MPa 330
160

Thermal Properties

Latent Heat of Fusion, J/g 190
140
Melting Completion (Liquidus), °C 1020
750
Melting Onset (Solidus), °C 850
610
Specific Heat Capacity, J/kg-K 370
330
Thermal Expansion, µm/m-K 18
22

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 3.9
25
Embodied Energy, MJ/kg 63
400

Common Calculations

Stiffness to Weight: Axial, points 6.9
5.7
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 11
5.1
Strength to Weight: Bending, points 12
7.6
Thermal Shock Resistance, points 12
5.9

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Cadmium (Cd), % 0
12.5 to 14.5
Copper (Cu), % 84.2 to 87.5
34 to 36
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.25
0
Nickel (Ni), % 1.2 to 2.0
0
Phosphorus (P), % 0 to 0.3
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
24 to 26
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 11.3 to 12.5
0
Zinc (Zn), % 0 to 0.25
24.5 to 28.5
Residuals, % 0
0 to 0.15