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CC751S Brass vs. C72200 Copper-nickel

Both CC751S brass and C72200 copper-nickel are copper alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC751S brass and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
48
Tensile Strength: Ultimate (UTS), MPa 450
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 130
230
Melting Completion (Liquidus), °C 850
1180
Melting Onset (Solidus), °C 810
1120
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 110
34
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 28
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 46
59
Embodied Water, L/kg 330
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15
11 to 18
Strength to Weight: Bending, points 16
12 to 17
Thermal Diffusivity, mm2/s 35
9.6
Thermal Shock Resistance, points 15
12 to 20

Alloy Composition


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Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 62.7 to 66
78.1 to 84.2
Iron (Fe), % 0.25 to 0.5
0.5 to 1.0
Lead (Pb), % 0.8 to 2.2
0 to 0.050
Manganese (Mn), % 0 to 0.15
0 to 1.0
Nickel (Ni), % 0 to 0.8
15 to 18
Silicon (Si), % 0.65 to 1.1
0
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0 to 1.0
Residuals, % 0
0 to 0.2