MakeItFrom.com
Menu (ESC)

C71640 Copper-nickel vs. C27400 Brass

Both C71640 copper-nickel and C27400 brass are copper alloys. They have 63% 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 C71640 copper-nickel and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 52
40
Tensile Strength: Ultimate (UTS), MPa 490 to 630
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 260
120
Melting Completion (Liquidus), °C 1180
920
Melting Onset (Solidus), °C 1120
870
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 29
120
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
31

Otherwise Unclassified Properties

Base Metal Price, % relative 40
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 5.0
2.7
Embodied Energy, MJ/kg 73
45
Embodied Water, L/kg 280
320

Common Calculations

Stiffness to Weight: Axial, points 8.7
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15 to 20
13 to 23
Strength to Weight: Bending, points 16 to 18
14 to 21
Thermal Diffusivity, mm2/s 8.2
37
Thermal Shock Resistance, points 16 to 21
12 to 22

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
Copper (Cu), % 61.7 to 67.8
61 to 64
Iron (Fe), % 1.7 to 2.3
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
0
Zinc (Zn), % 0 to 1.0
35.6 to 39
Residuals, % 0 to 0.5
0 to 0.3