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CC498K Bronze vs. CC140C Copper

Both CC498K bronze and CC140C copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is CC498K bronze and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 78
110
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 14
11
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 260
340
Tensile Strength: Yield (Proof), MPa 130
230

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1000
1100
Melting Onset (Solidus), °C 920
1040
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 73
310
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
77
Electrical Conductivity: Equal Weight (Specific), % IACS 10
78

Otherwise Unclassified Properties

Base Metal Price, % relative 32
31
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 3.2
2.6
Embodied Energy, MJ/kg 52
41
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
34
Resilience: Unit (Modulus of Resilience), kJ/m3 72
220
Stiffness to Weight: Axial, points 6.9
7.3
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.1
10
Strength to Weight: Bending, points 10
12
Thermal Diffusivity, mm2/s 22
89
Thermal Shock Resistance, points 9.3
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 85 to 90
98.8 to 99.6
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 1.0 to 2.0
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 5.5 to 6.5
0
Zinc (Zn), % 3.0 to 5.0
0