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C26000 Brass vs. C70700 Copper-nickel

Both C26000 brass and C70700 copper-nickel are copper alloys. They have 70% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C26000 brass and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.5 to 66
39
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
46
Shear Strength, MPa 230 to 390
220
Tensile Strength: Ultimate (UTS), MPa 320 to 680
320
Tensile Strength: Yield (Proof), MPa 110 to 570
110

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 140
220
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
59
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
11
Electrical Conductivity: Equal Weight (Specific), % IACS 31
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
100
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
51
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 23
10
Strength to Weight: Bending, points 13 to 21
12
Thermal Diffusivity, mm2/s 38
17
Thermal Shock Resistance, points 11 to 23
12

Alloy Composition

Bismuth (Bi), % 0 to 0.0059
0
Copper (Cu), % 68.5 to 71.5
88.5 to 90.5
Iron (Fe), % 0 to 0.050
0 to 0.050
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Zinc (Zn), % 28.1 to 31.5
0
Residuals, % 0
0 to 0.5