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CC760S Brass vs. C72700 Copper-nickel

Both CC760S brass and C72700 copper-nickel are copper alloys. They have 85% of their average alloy composition in common. There are 28 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 CC760S brass and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 22
4.0 to 36
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 180
460 to 1070
Tensile Strength: Yield (Proof), MPa 80
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1000
1100
Melting Onset (Solidus), °C 940
930
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 150
54
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
11
Electrical Conductivity: Equal Weight (Specific), % IACS 40
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 2.6
4.0
Embodied Energy, MJ/kg 43
62
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 29
1420 to 4770
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 5.8
14 to 34
Strength to Weight: Bending, points 8.2
15 to 26
Thermal Diffusivity, mm2/s 45
16
Thermal Shock Resistance, points 6.2
16 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
82.1 to 86
Iron (Fe), % 0 to 0.15
0 to 0.5
Lead (Pb), % 0 to 0.5
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 0.1
0.050 to 0.3
Nickel (Ni), % 0 to 0.1
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0 to 0.020
0
Tin (Sn), % 0 to 0.3
5.5 to 6.5
Zinc (Zn), % 10.7 to 17
0 to 0.5
Residuals, % 0
0 to 0.3