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C26200 Brass vs. C70400 Copper-nickel

Both C26200 brass and C70400 copper-nickel are copper alloys. They have 69% 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 C26200 brass and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 330 to 770
300 to 310
Tensile Strength: Yield (Proof), MPa 110 to 490
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
210
Melting Completion (Liquidus), °C 950
1120
Melting Onset (Solidus), °C 920
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
64
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
14
Electrical Conductivity: Equal Weight (Specific), % IACS 31
14

Otherwise Unclassified Properties

Base Metal Price, % relative 25
32
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 62 to 1110
38 to 220
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 26
9.3 to 9.8
Strength to Weight: Bending, points 13 to 23
11 to 12
Thermal Diffusivity, mm2/s 38
18
Thermal Shock Resistance, points 11 to 26
10 to 11

Alloy Composition

Copper (Cu), % 67 to 70
89.8 to 93.6
Iron (Fe), % 0 to 0.050
1.3 to 1.7
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Zinc (Zn), % 29.6 to 33
0 to 1.0
Residuals, % 0
0 to 0.5