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C27000 Brass vs. C77600 Nickel Silver

Both C27000 brass and C77600 nickel silver are copper alloys. They have 78% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.3
Rockwell B Hardness 53 to 91
83
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 370 to 650
630

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 930
830
Melting Onset (Solidus), °C 900
790
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 30
31

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 45
60
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.9
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13 to 22
22
Strength to Weight: Bending, points 14 to 21
21
Thermal Shock Resistance, points 12 to 22
20

Alloy Composition

Copper (Cu), % 63 to 68.5
42 to 45
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.070
0 to 0.25
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0
12 to 14
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 31 to 37
39.7 to 46
Residuals, % 0
0 to 0.5