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C69400 Brass vs. C70600 Copper-nickel

Both C69400 brass and C70600 copper-nickel are copper alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
3.0 to 34
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
46
Shear Strength, MPa 350
190 to 330
Tensile Strength: Ultimate (UTS), MPa 570
290 to 570
Tensile Strength: Yield (Proof), MPa 270
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 260
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 920
1150
Melting Onset (Solidus), °C 820
1100
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 26
44
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 27
33
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 44
51
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 340
16 to 290
Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19
9.1 to 18
Strength to Weight: Bending, points 18
11 to 17
Thermal Diffusivity, mm2/s 7.7
13
Thermal Shock Resistance, points 20
9.8 to 19

Alloy Composition

Copper (Cu), % 80 to 83
84.7 to 90
Iron (Fe), % 0 to 0.2
1.0 to 1.8
Lead (Pb), % 0 to 0.3
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 3.5 to 4.5
0
Zinc (Zn), % 11.5 to 16.5
0 to 1.0
Residuals, % 0
0 to 0.5