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C92700 Bronze vs. C91300 Bell Metal

Both C92700 bronze and C91300 bell metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C92700 bronze and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 9.1
0.5
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 290
240
Tensile Strength: Yield (Proof), MPa 150
210

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 980
890
Melting Onset (Solidus), °C 840
820
Specific Heat Capacity, J/kg-K 370
360
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 35
39
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 3.6
4.5
Embodied Energy, MJ/kg 58
74
Embodied Water, L/kg 390
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110
210
Stiffness to Weight: Axial, points 6.8
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.1
7.8
Strength to Weight: Bending, points 11
10
Thermal Shock Resistance, points 11
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.2
Copper (Cu), % 86 to 89
79 to 82
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 1.0 to 2.5
0 to 0.25
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 9.0 to 11
18 to 20
Zinc (Zn), % 0 to 0.7
0 to 0.25
Residuals, % 0
0 to 0.6