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C72150 Copper-nickel vs. C69300 Brass

Both C72150 copper-nickel and C69300 brass are copper alloys. They have 56% of their average alloy composition in common. There are 29 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 C72150 copper-nickel and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
8.5 to 15
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 55
41
Shear Strength, MPa 320
330 to 370
Tensile Strength: Ultimate (UTS), MPa 490
550 to 630
Tensile Strength: Yield (Proof), MPa 210
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 600
160
Melting Completion (Liquidus), °C 1210
880
Melting Onset (Solidus), °C 1250
860
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 22
38
Thermal Expansion, µm/m-K 14
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 45
26
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 6.1
2.7
Embodied Energy, MJ/kg 88
45
Embodied Water, L/kg 270
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 150
400 to 700
Stiffness to Weight: Axial, points 9.1
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
19 to 21
Strength to Weight: Bending, points 15
18 to 20
Thermal Diffusivity, mm2/s 6.0
12
Thermal Shock Resistance, points 18
19 to 22

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
73 to 77
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.090
Manganese (Mn), % 0 to 0.050
0 to 0.1
Nickel (Ni), % 43 to 46
0 to 0.1
Phosphorus (P), % 0
0.040 to 0.15
Silicon (Si), % 0 to 0.5
2.7 to 3.4
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.2
18.4 to 24.3
Residuals, % 0 to 0.5
0 to 0.5