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CC380H Copper-nickel vs. CC760S Brass

Both CC380H copper-nickel and CC760S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is CC380H copper-nickel and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
51
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 26
22
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 47
42
Tensile Strength: Ultimate (UTS), MPa 310
180
Tensile Strength: Yield (Proof), MPa 120
80

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1130
1000
Melting Onset (Solidus), °C 1080
940
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 46
150
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
38
Electrical Conductivity: Equal Weight (Specific), % IACS 11
40

Otherwise Unclassified Properties

Base Metal Price, % relative 36
28
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 3.8
2.6
Embodied Energy, MJ/kg 58
43
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
33
Resilience: Unit (Modulus of Resilience), kJ/m3 59
29
Stiffness to Weight: Axial, points 7.8
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.8
5.8
Strength to Weight: Bending, points 12
8.2
Thermal Diffusivity, mm2/s 13
45
Thermal Shock Resistance, points 11
6.2

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Arsenic (As), % 0
0.050 to 0.15
Copper (Cu), % 84.5 to 89
83 to 88
Iron (Fe), % 1.0 to 1.8
0 to 0.15
Lead (Pb), % 0 to 0.030
0 to 0.5
Manganese (Mn), % 1.0 to 1.5
0 to 0.1
Nickel (Ni), % 9.0 to 11
0 to 0.1
Niobium (Nb), % 0 to 1.0
0
Silicon (Si), % 0 to 0.1
0 to 0.020
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.5
10.7 to 17