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C26000 Brass vs. C72500 Copper-nickel

Both C26000 brass and C72500 copper-nickel are copper alloys. They have 70% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C26000 brass and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 53 to 93
75 to 100
Rockwell Superficial 30T Hardness 52 to 78
62 to 89
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 320 to 680
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
210
Melting Completion (Liquidus), °C 950
1130
Melting Onset (Solidus), °C 920
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
54
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
11
Electrical Conductivity: Equal Weight (Specific), % IACS 31
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
35
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 45
55
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 23
13 to 24
Strength to Weight: Bending, points 13 to 21
14 to 21
Thermal Diffusivity, mm2/s 38
16
Thermal Shock Resistance, points 11 to 23
14 to 27

Alloy Composition

Bismuth (Bi), % 0 to 0.0059
0
Copper (Cu), % 68.5 to 71.5
85.2 to 89.7
Iron (Fe), % 0 to 0.050
0 to 0.6
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
8.5 to 10.5
Tin (Sn), % 0
1.8 to 2.8
Zinc (Zn), % 28.1 to 31.5
0 to 0.5
Residuals, % 0
0 to 0.2

Comparable Variants