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C68400 Brass vs. C70600 Copper-nickel

Both C68400 brass and C70600 copper-nickel are copper alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C68400 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, % 18
3.0 to 34
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
46
Shear Strength, MPa 330
190 to 330
Tensile Strength: Ultimate (UTS), MPa 540
290 to 570
Tensile Strength: Yield (Proof), MPa 310
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 210
220
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 840
1150
Melting Onset (Solidus), °C 820
1100
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 66
44
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 99
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 47
51
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 460
16 to 290
Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
9.1 to 18
Strength to Weight: Bending, points 19
11 to 17
Thermal Diffusivity, mm2/s 21
13
Thermal Shock Resistance, points 18
9.8 to 19

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
84.7 to 90
Iron (Fe), % 0 to 1.0
1.0 to 1.8
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0.2 to 1.5
0 to 1.0
Nickel (Ni), % 0 to 0.5
9.0 to 11
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.5