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C64200 Bronze vs. C18900 Copper

Both C64200 bronze and C18900 copper are copper alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is C64200 bronze and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 14 to 35
14 to 48
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
43
Shear Strength, MPa 330 to 390
190 to 300
Tensile Strength: Ultimate (UTS), MPa 540 to 640
260 to 500
Tensile Strength: Yield (Proof), MPa 230 to 320
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 1000
1080
Melting Onset (Solidus), °C 980
1020
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
30

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 50
42
Embodied Water, L/kg 370
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 170
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 470
20 to 660
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 18 to 21
8.2 to 16
Strength to Weight: Bending, points 18 to 20
10 to 16
Thermal Diffusivity, mm2/s 13
38
Thermal Shock Resistance, points 20 to 23
9.3 to 18

Alloy Composition

Aluminum (Al), % 6.3 to 7.6
0 to 0.010
Arsenic (As), % 0 to 0.15
0
Copper (Cu), % 88.2 to 92.2
97.7 to 99.15
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 0.1
0.1 to 0.3
Nickel (Ni), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 1.5 to 2.2
0.15 to 0.4
Tin (Sn), % 0 to 0.2
0.6 to 0.9
Zinc (Zn), % 0 to 0.5
0 to 0.1
Residuals, % 0
0 to 0.5