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CC381H Copper-nickel vs. C44400 Brass

Both CC381H copper-nickel and C44400 brass are copper alloys. They have 67% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 52
41
Tensile Strength: Ultimate (UTS), MPa 380
350
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Maximum Temperature: Mechanical, °C 260
140
Melting Completion (Liquidus), °C 1180
940
Melting Onset (Solidus), °C 1120
900
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 30
110
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
25
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
27

Otherwise Unclassified Properties

Base Metal Price, % relative 40
26
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 5.0
2.8
Embodied Energy, MJ/kg 73
46
Embodied Water, L/kg 280
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 68
65
Stiffness to Weight: Axial, points 8.6
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
12
Strength to Weight: Bending, points 13
13
Thermal Diffusivity, mm2/s 8.4
35
Thermal Shock Resistance, points 13
12

Alloy Composition


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Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64.5 to 69.9
70 to 73
Iron (Fe), % 0.5 to 1.5
0 to 0.060
Lead (Pb), % 0 to 0.030
0 to 0.070
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0.9 to 1.2
Zinc (Zn), % 0 to 0.5
25.2 to 29.1
Residuals, % 0
0 to 0.4