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CC380H Copper-nickel vs. C21000 Brass

Both CC380H copper-nickel and C21000 brass are copper alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC380H copper-nickel and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 26
2.9 to 50
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 47
43
Tensile Strength: Ultimate (UTS), MPa 310
240 to 450
Tensile Strength: Yield (Proof), MPa 120
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 220
200
Maximum Temperature: Mechanical, °C 220
190
Melting Completion (Liquidus), °C 1130
1070
Melting Onset (Solidus), °C 1080
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 46
230
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
56
Electrical Conductivity: Equal Weight (Specific), % IACS 11
57

Otherwise Unclassified Properties

Base Metal Price, % relative 36
30
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.8
2.6
Embodied Energy, MJ/kg 58
42
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 59
21 to 830
Stiffness to Weight: Axial, points 7.8
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 9.8
7.4 to 14
Strength to Weight: Bending, points 12
9.6 to 15
Thermal Diffusivity, mm2/s 13
69
Thermal Shock Resistance, points 11
8.1 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Copper (Cu), % 84.5 to 89
94 to 96
Iron (Fe), % 1.0 to 1.8
0 to 0.050
Lead (Pb), % 0 to 0.030
0 to 0.030
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0 to 1.0
0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.5
3.7 to 6.0
Residuals, % 0
0 to 0.2