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C24000 Brass vs. C71000 Copper-nickel

Both C24000 brass and C71000 copper-nickel are copper alloys. They have 78% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C24000 brass and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.32
0.33
Rockwell B Hardness 52 to 91
59 to 85
Rockwell Superficial 30T Hardness 51 to 78
56 to 73
Shear Modulus, GPa 42
49
Tensile Strength: Ultimate (UTS), MPa 310 to 640
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 160
240
Melting Completion (Liquidus), °C 1000
1200
Melting Onset (Solidus), °C 970
1150
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 140
43
Thermal Expansion, µm/m-K 19
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 34
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 27
37
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 43
63
Embodied Water, L/kg 320
290

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 21
10 to 18
Strength to Weight: Bending, points 12 to 20
12 to 17
Thermal Diffusivity, mm2/s 43
12
Thermal Shock Resistance, points 10 to 22
12 to 20

Alloy Composition

Copper (Cu), % 78.5 to 81.5
73.5 to 80.5
Iron (Fe), % 0 to 0.050
0.5 to 1.0
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
19 to 23
Zinc (Zn), % 18.2 to 21.5
0 to 1.0
Residuals, % 0
0 to 0.5

Comparable Variants