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C91300 Bell Metal vs. C95700 Bronze

Both C91300 bell metal and C95700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C91300 bell metal and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Elongation at Break, % 0.5
23
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 38
47
Tensile Strength: Ultimate (UTS), MPa 240
680
Tensile Strength: Yield (Proof), MPa 210
310

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 150
220
Melting Completion (Liquidus), °C 890
990
Melting Onset (Solidus), °C 820
950
Specific Heat Capacity, J/kg-K 360
440
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 39
26
Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 4.5
3.3
Embodied Energy, MJ/kg 74
54
Embodied Water, L/kg 460
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
390
Stiffness to Weight: Axial, points 6.6
8.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.8
23
Strength to Weight: Bending, points 10
21
Thermal Shock Resistance, points 9.3
21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
7.0 to 8.5
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 79 to 82
71 to 78.5
Iron (Fe), % 0 to 0.25
2.0 to 4.0
Lead (Pb), % 0 to 0.25
0 to 0.030
Manganese (Mn), % 0
11 to 14
Nickel (Ni), % 0 to 0.5
1.5 to 3.0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 18 to 20
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.5