MakeItFrom.com
Menu (ESC)

C23000 Brass vs. C71000 Copper-nickel

Both C23000 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 (6, in this case) are not shown.

For each property being compared, the top bar is C23000 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 0.33
0.33
Rockwell B Hardness 48 to 87
59 to 85
Rockwell Superficial 30T Hardness 51 to 77
56 to 73
Shear Modulus, GPa 42
49
Tensile Strength: Ultimate (UTS), MPa 280 to 590
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 170
240
Melting Completion (Liquidus), °C 1030
1200
Melting Onset (Solidus), °C 990
1150
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 160
43
Thermal Expansion, µm/m-K 19
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 39
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
37
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 43
63
Embodied Water, L/kg 310
290

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.9 to 19
10 to 18
Strength to Weight: Bending, points 11 to 18
12 to 17
Thermal Diffusivity, mm2/s 48
12
Thermal Shock Resistance, points 9.4 to 20
12 to 20

Alloy Composition

Copper (Cu), % 84 to 86
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), % 13.7 to 16
0 to 1.0
Residuals, % 0
0 to 0.5

Comparable Variants