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C18600 Copper vs. C67000 Bronze

Both C18600 copper and C67000 bronze are copper alloys. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is C18600 copper and the bottom bar is C67000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.0 to 11
5.6 to 11
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
42
Shear Strength, MPa 310 to 340
390 to 510
Tensile Strength: Ultimate (UTS), MPa 520 to 580
660 to 880
Tensile Strength: Yield (Proof), MPa 500 to 520
350 to 540

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1070
850
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 280
99
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 70
22
Electrical Conductivity: Equal Weight (Specific), % IACS 71
25

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 58
43 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 1060 to 1180
560 to 1290
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 16 to 18
23 to 31
Strength to Weight: Bending, points 16 to 17
21 to 26
Thermal Diffusivity, mm2/s 81
30
Thermal Shock Resistance, points 19 to 20
21 to 29

Alloy Composition

Aluminum (Al), % 0
3.0 to 6.0
Chromium (Cr), % 0.1 to 1.0
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 96.5 to 99.55
63 to 68
Iron (Fe), % 0.25 to 0.8
2.0 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0 to 0.25
0
Tin (Sn), % 0
0 to 0.5
Titanium (Ti), % 0.050 to 0.5
0
Zinc (Zn), % 0
21.8 to 32.5
Zirconium (Zr), % 0.050 to 0.4
0
Residuals, % 0
0 to 0.5