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C72150 Copper-nickel vs. C68800 Brass

Both C72150 copper-nickel and C68800 brass are copper alloys. They have 55% of their average alloy composition in common. There are 29 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 C72150 copper-nickel and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
2.0 to 36
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 55
41
Shear Strength, MPa 320
380 to 510
Tensile Strength: Ultimate (UTS), MPa 490
570 to 890
Tensile Strength: Yield (Proof), MPa 210
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 600
160
Melting Completion (Liquidus), °C 1210
960
Melting Onset (Solidus), °C 1250
950
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 14
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
18
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
20

Otherwise Unclassified Properties

Base Metal Price, % relative 45
26
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 6.1
2.8
Embodied Energy, MJ/kg 88
48
Embodied Water, L/kg 270
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 150
710 to 2860
Stiffness to Weight: Axial, points 9.1
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
19 to 30
Strength to Weight: Bending, points 15
19 to 25
Thermal Diffusivity, mm2/s 6.0
12
Thermal Shock Resistance, points 18
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0 to 0.1
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 52.5 to 57
70.8 to 75.5
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
21.3 to 24.1
Residuals, % 0
0 to 0.5