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C26800 Brass vs. C71580 Copper-nickel

Both C26800 brass and C71580 copper-nickel are copper alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C26800 brass and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
51
Tensile Strength: Ultimate (UTS), MPa 310 to 650
330

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 130
260
Melting Completion (Liquidus), °C 930
1180
Melting Onset (Solidus), °C 900
1120
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 30
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
41
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 45
74
Embodied Water, L/kg 320
280

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 22
10
Strength to Weight: Bending, points 13 to 21
12
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 10 to 22
11

Alloy Composition

Carbon (C), % 0
0 to 0.070
Copper (Cu), % 64 to 68.5
65.5 to 71
Iron (Fe), % 0 to 0.050
0 to 0.5
Lead (Pb), % 0 to 0.15
0 to 0.050
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
29 to 33
Zinc (Zn), % 31 to 36
0 to 0.050
Residuals, % 0
0 to 0.5