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C91300 Bell Metal vs. C93900 Bronze

Both C91300 bell metal and C93900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% 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 C93900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
95
Elongation at Break, % 0.5
5.6
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 38
35
Tensile Strength: Ultimate (UTS), MPa 240
190
Tensile Strength: Yield (Proof), MPa 210
130

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 150
140
Melting Completion (Liquidus), °C 890
940
Melting Onset (Solidus), °C 820
850
Specific Heat Capacity, J/kg-K 360
340
Thermal Expansion, µm/m-K 18
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 39
30
Density, g/cm3 8.6
9.1
Embodied Carbon, kg CO2/kg material 4.5
3.0
Embodied Energy, MJ/kg 74
49
Embodied Water, L/kg 460
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1
9.5
Resilience: Unit (Modulus of Resilience), kJ/m3 210
83
Stiffness to Weight: Axial, points 6.6
5.8
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 7.8
5.9
Strength to Weight: Bending, points 10
8.1
Thermal Shock Resistance, points 9.3
7.5

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.5
Copper (Cu), % 79 to 82
76.5 to 79.5
Iron (Fe), % 0 to 0.25
0 to 0.4
Lead (Pb), % 0 to 0.25
14 to 18
Nickel (Ni), % 0 to 0.5
0 to 0.8
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 0.080
Tin (Sn), % 18 to 20
5.0 to 7.0
Zinc (Zn), % 0 to 0.25
0 to 1.5
Residuals, % 0
0 to 1.1