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C68400 Brass vs. C77300 Nickel Silver

Both C68400 brass and C77300 nickel silver are copper alloys. They have 83% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C77300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 540
540

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 840
940
Melting Onset (Solidus), °C 820
920
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 99
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 47
56
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.010
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
46 to 50
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
9.0 to 11
Phosphorus (P), % 0.030 to 0.3
0 to 0.25
Silicon (Si), % 1.5 to 2.5
0.040 to 0.25
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
37.9 to 45
Residuals, % 0 to 0.5
0 to 0.5