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CC381H Copper-nickel vs. C34500 Brass

Both CC381H copper-nickel and C34500 brass are copper alloys. They have 64% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
100
Elongation at Break, % 20
12 to 28
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 52
40
Tensile Strength: Ultimate (UTS), MPa 380
340 to 430
Tensile Strength: Yield (Proof), MPa 140
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 260
120
Melting Completion (Liquidus), °C 1180
910
Melting Onset (Solidus), °C 1120
890
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 30
120
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
26
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
29

Otherwise Unclassified Properties

Base Metal Price, % relative 40
24
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 5.0
2.6
Embodied Energy, MJ/kg 73
45
Embodied Water, L/kg 280
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 68
69 to 160
Stiffness to Weight: Axial, points 8.6
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
12 to 15
Strength to Weight: Bending, points 13
13 to 16
Thermal Diffusivity, mm2/s 8.4
37
Thermal Shock Resistance, points 13
11 to 14

Alloy Composition


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Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64.5 to 69.9
62 to 65
Iron (Fe), % 0.5 to 1.5
0 to 0.15
Lead (Pb), % 0 to 0.030
1.5 to 2.5
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
Zinc (Zn), % 0 to 0.5
32 to 36.5
Residuals, % 0
0 to 0.4