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CC751S Brass vs. C70700 Copper-nickel

Both CC751S brass and C70700 copper-nickel are copper alloys. They have 65% 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 CC751S brass and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
73
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 5.6
39
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 450
320
Tensile Strength: Yield (Proof), MPa 320
110

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 850
1120
Melting Onset (Solidus), °C 810
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
59
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 28
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
34
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
100
Resilience: Unit (Modulus of Resilience), kJ/m3 480
51
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15
10
Strength to Weight: Bending, points 16
12
Thermal Diffusivity, mm2/s 35
17
Thermal Shock Resistance, points 15
12

Alloy Composition


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Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
88.5 to 90.5
Iron (Fe), % 0.25 to 0.5
0 to 0.050
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.8
9.5 to 10.5
Silicon (Si), % 0.65 to 1.1
0
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0
Residuals, % 0
0 to 0.5