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CC765S Brass vs. C74500 Nickel Silver

Both CC765S brass and C74500 nickel silver are copper alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC765S brass and the bottom bar is C74500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 21
3.0 to 24
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 540
390 to 700
Tensile Strength: Yield (Proof), MPa 220
380 to 600

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 860
1020
Melting Onset (Solidus), °C 820
970
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 91
45
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 34
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 51
54
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
12 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 220
620 to 1540
Stiffness to Weight: Axial, points 7.6
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
13 to 23
Strength to Weight: Bending, points 18
14 to 21
Thermal Diffusivity, mm2/s 28
14
Thermal Shock Resistance, points 17
13 to 23

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 51 to 65
63.5 to 66.5
Iron (Fe), % 0.5 to 2.0
0 to 0.25
Lead (Pb), % 0 to 0.5
0 to 0.1
Manganese (Mn), % 0.3 to 3.0
0 to 0.5
Nickel (Ni), % 0 to 6.0
9.0 to 11
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
21.2 to 27.5
Residuals, % 0
0 to 0.5