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CC765S Brass vs. C71580 Copper-nickel

Both CC765S brass and C71580 copper-nickel are copper alloys. They have 61% 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 CC765S brass and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
75
Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 21
40
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 42
51
Tensile Strength: Ultimate (UTS), MPa 540
330
Tensile Strength: Yield (Proof), MPa 220
110

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 140
260
Melting Completion (Liquidus), °C 860
1180
Melting Onset (Solidus), °C 820
1120
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 91
39
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 34
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
41
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 3.0
5.1
Embodied Energy, MJ/kg 51
74
Embodied Water, L/kg 330
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
47
Stiffness to Weight: Axial, points 7.6
8.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
10
Strength to Weight: Bending, points 18
12
Thermal Diffusivity, mm2/s 28
11
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Carbon (C), % 0
0 to 0.070
Copper (Cu), % 51 to 65
65.5 to 71
Iron (Fe), % 0.5 to 2.0
0 to 0.5
Lead (Pb), % 0 to 0.5
0 to 0.050
Manganese (Mn), % 0.3 to 3.0
0 to 0.3
Nickel (Ni), % 0 to 6.0
29 to 33
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
0 to 0.050
Residuals, % 0
0 to 0.5