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C86700 Bronze vs. C99500 Copper

Both C86700 bronze and C99500 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C86700 bronze and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
13
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 630
540
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 130
210
Melting Completion (Liquidus), °C 880
1090
Melting Onset (Solidus), °C 860
1040
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
10
Electrical Conductivity: Equal Weight (Specific), % IACS 19
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
63
Resilience: Unit (Modulus of Resilience), kJ/m3 290
410
Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0.5 to 2.0
Copper (Cu), % 55 to 60
82.5 to 92
Iron (Fe), % 1.0 to 3.0
3.0 to 5.0
Lead (Pb), % 0.5 to 1.5
0 to 0.25
Manganese (Mn), % 1.0 to 3.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
3.5 to 5.5
Silicon (Si), % 0
0.5 to 2.0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 30 to 38
0.5 to 2.0
Residuals, % 0
0 to 0.3