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C94300 Bronze vs. C99300 Copper

Both C94300 bronze and C99300 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C94300 bronze and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 9.7
2.0
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 32
46
Tensile Strength: Ultimate (UTS), MPa 180
660
Tensile Strength: Yield (Proof), MPa 120
380

Thermal Properties

Latent Heat of Fusion, J/g 150
240
Maximum Temperature: Mechanical, °C 110
250
Melting Completion (Liquidus), °C 820
1080
Melting Onset (Solidus), °C 760
1070
Specific Heat Capacity, J/kg-K 320
450
Thermal Conductivity, W/m-K 63
43
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 28
35
Density, g/cm3 9.3
8.2
Embodied Carbon, kg CO2/kg material 2.9
4.5
Embodied Energy, MJ/kg 47
70
Embodied Water, L/kg 370
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
11
Resilience: Unit (Modulus of Resilience), kJ/m3 77
590
Stiffness to Weight: Axial, points 5.2
8.3
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.2
22
Strength to Weight: Bending, points 7.4
20
Thermal Diffusivity, mm2/s 21
12
Thermal Shock Resistance, points 7.1
22

Alloy Composition

Aluminum (Al), % 0 to 0.0050
10.7 to 11.5
Antimony (Sb), % 0 to 0.8
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 67 to 72
68.6 to 74.4
Iron (Fe), % 0 to 0.15
0.4 to 1.0
Lead (Pb), % 23 to 27
0 to 0.020
Nickel (Ni), % 0 to 1.0
13.5 to 16.5
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.020
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.0
0 to 0.050
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0
0 to 0.3