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C60800 Bronze vs. C70260 Copper

Both C60800 bronze and C70260 copper are copper alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is C60800 bronze and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 55
9.5 to 19
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 46
44
Shear Strength, MPa 290
320 to 450
Tensile Strength: Ultimate (UTS), MPa 390
520 to 760
Tensile Strength: Yield (Proof), MPa 150
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 220
220
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 1060
1060
Melting Onset (Solidus), °C 1050
1040
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 80
160
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 18
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 48
43
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 94
710 to 1810
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
16 to 24
Strength to Weight: Bending, points 14
16 to 21
Thermal Diffusivity, mm2/s 23
45
Thermal Shock Resistance, points 14
18 to 27

Alloy Composition

Aluminum (Al), % 5.0 to 6.5
0
Arsenic (As), % 0.020 to 0.35
0
Copper (Cu), % 92.5 to 95
95.8 to 98.8
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.1
0
Nickel (Ni), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.2 to 0.7
Residuals, % 0
0 to 0.5