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CC765S Brass vs. C71520 Copper-nickel

Both CC765S brass and C71520 copper-nickel are copper alloys. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC765S brass and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 21
10 to 45
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 42
51
Tensile Strength: Ultimate (UTS), MPa 540
370 to 570
Tensile Strength: Yield (Proof), MPa 220
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 140
260
Melting Completion (Liquidus), °C 860
1170
Melting Onset (Solidus), °C 820
1120
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 91
32
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 34
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
40
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 3.0
5.0
Embodied Energy, MJ/kg 51
73
Embodied Water, L/kg 330
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 220
67 to 680
Stiffness to Weight: Axial, points 7.6
8.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
12 to 18
Strength to Weight: Bending, points 18
13 to 17
Thermal Diffusivity, mm2/s 28
8.9
Thermal Shock Resistance, points 17
12 to 19

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 51 to 65
65 to 71.6
Iron (Fe), % 0.5 to 2.0
0.4 to 1.0
Lead (Pb), % 0 to 0.5
0 to 0.020
Manganese (Mn), % 0.3 to 3.0
0 to 1.0
Nickel (Ni), % 0 to 6.0
28 to 33
Phosphorus (P), % 0 to 0.030
0 to 0.2
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
0 to 0.5
Residuals, % 0
0 to 0.5