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CC380H Copper-nickel vs. CC480K Bronze

Both CC380H copper-nickel and CC480K bronze 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 CC380H copper-nickel and the bottom bar is CC480K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
88
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 26
13
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 47
41
Tensile Strength: Ultimate (UTS), MPa 310
300
Tensile Strength: Yield (Proof), MPa 120
180

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1130
1010
Melting Onset (Solidus), °C 1080
900
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 46
63
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
35
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.8
3.7
Embodied Energy, MJ/kg 58
59
Embodied Water, L/kg 300
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
35
Resilience: Unit (Modulus of Resilience), kJ/m3 59
140
Stiffness to Weight: Axial, points 7.8
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 9.8
9.6
Strength to Weight: Bending, points 12
11
Thermal Diffusivity, mm2/s 13
20
Thermal Shock Resistance, points 11
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 84.5 to 89
86 to 90
Iron (Fe), % 1.0 to 1.8
0 to 0.2
Lead (Pb), % 0 to 0.030
0 to 1.0
Manganese (Mn), % 1.0 to 1.5
0 to 0.1
Nickel (Ni), % 9.0 to 11
0 to 2.0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 0 to 0.1
0 to 0.020
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0 to 0.5
0 to 0.5