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C94400 Bronze vs. C99500 Copper

Both C94400 bronze and C99500 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% 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 C94400 bronze and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 18
13
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 37
45
Tensile Strength: Ultimate (UTS), MPa 220
540
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 150
210
Melting Completion (Liquidus), °C 940
1090
Melting Onset (Solidus), °C 790
1040
Specific Heat Capacity, J/kg-K 350
400
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
10
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
10

Otherwise Unclassified Properties

Base Metal Price, % relative 32
30
Density, g/cm3 9.1
8.7
Embodied Carbon, kg CO2/kg material 3.4
3.0
Embodied Energy, MJ/kg 54
47
Embodied Water, L/kg 390
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
63
Resilience: Unit (Modulus of Resilience), kJ/m3 60
410
Stiffness to Weight: Axial, points 6.1
7.7
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 6.8
17
Strength to Weight: Bending, points 9.0
17
Thermal Shock Resistance, points 8.3
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.5 to 2.0
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 76.1 to 84
82.5 to 92
Iron (Fe), % 0 to 0.15
3.0 to 5.0
Lead (Pb), % 9.0 to 12
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 1.0
3.5 to 5.5
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0.5 to 2.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 7.0 to 9.0
0
Zinc (Zn), % 0 to 0.8
0.5 to 2.0
Residuals, % 0
0 to 0.3