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C91600 Bronze vs. C99300 Copper

Both C91600 bronze and C99300 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is C91600 bronze and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84
200
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 11
2.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 310
660
Tensile Strength: Yield (Proof), MPa 160
380

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 1030
1080
Melting Onset (Solidus), °C 860
1070
Specific Heat Capacity, J/kg-K 370
450
Thermal Conductivity, W/m-K 71
43
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
35
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 3.7
4.5
Embodied Energy, MJ/kg 61
70
Embodied Water, L/kg 390
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
11
Resilience: Unit (Modulus of Resilience), kJ/m3 120
590
Stiffness to Weight: Axial, points 7.0
8.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.9
22
Strength to Weight: Bending, points 12
20
Thermal Diffusivity, mm2/s 22
12
Thermal Shock Resistance, points 11
22

Alloy Composition

Aluminum (Al), % 0 to 0.0050
10.7 to 11.5
Antimony (Sb), % 0 to 0.2
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 85.9 to 89.1
68.6 to 74.4
Iron (Fe), % 0 to 0.2
0.4 to 1.0
Lead (Pb), % 0 to 0.25
0 to 0.020
Nickel (Ni), % 1.2 to 2.0
13.5 to 16.5
Phosphorus (P), % 0 to 0.3
0
Silicon (Si), % 0 to 0.0050
0 to 0.020
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.7 to 10.8
0 to 0.050
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.3