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C35600 Brass vs. C70400 Copper-nickel

Both C35600 brass and C70400 copper-nickel are copper alloys. They have 62% of their average alloy composition in common. There are 24 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 C35600 brass and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
45
Tensile Strength: Ultimate (UTS), MPa 340 to 650
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 900
1120
Melting Onset (Solidus), °C 890
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
64
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
14
Electrical Conductivity: Equal Weight (Specific), % IACS 29
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
32
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.0
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 22
9.3 to 9.8
Strength to Weight: Bending, points 13 to 21
11 to 12
Thermal Diffusivity, mm2/s 38
18
Thermal Shock Resistance, points 11 to 22
10 to 11

Alloy Composition


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Copper (Cu), % 60 to 63
89.8 to 93.6
Iron (Fe), % 0 to 0.1
1.3 to 1.7
Lead (Pb), % 2.0 to 3.0
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Zinc (Zn), % 33.4 to 38
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.5