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C67600 Bronze vs. C18600 Copper

Both C67600 bronze and C18600 copper are copper alloys. They have 59% of their average alloy composition in common.

For each property being compared, the top bar is C67600 bronze and the bottom bar is C18600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 13 to 33
8.0 to 11
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Shear Strength, MPa 270 to 350
310 to 340
Tensile Strength: Ultimate (UTS), MPa 430 to 570
520 to 580
Tensile Strength: Yield (Proof), MPa 170 to 380
500 to 520

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 890
1090
Melting Onset (Solidus), °C 870
1070
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
280
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
70
Electrical Conductivity: Equal Weight (Specific), % IACS 27
71

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 130
44 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
1060 to 1180
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
16 to 18
Strength to Weight: Bending, points 16 to 19
16 to 17
Thermal Diffusivity, mm2/s 35
81
Thermal Shock Resistance, points 14 to 19
19 to 20

Alloy Composition

Chromium (Cr), % 0
0.1 to 1.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 57 to 60
96.5 to 99.55
Iron (Fe), % 0.4 to 1.3
0.25 to 0.8
Lead (Pb), % 0.5 to 1.0
0
Manganese (Mn), % 0.050 to 0.5
0
Nickel (Ni), % 0
0 to 0.25
Tin (Sn), % 0.5 to 1.5
0
Titanium (Ti), % 0
0.050 to 0.5
Zinc (Zn), % 35.2 to 41.6
0
Zirconium (Zr), % 0
0.050 to 0.4
Residuals, % 0
0 to 0.5