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C85400 Brass vs. C77300 Nickel Silver

Both C85400 brass and C77300 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common. There are 22 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 C85400 brass and the bottom bar is C77300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 220
540

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 940
940
Melting Onset (Solidus), °C 940
920
Specific Heat Capacity, J/kg-K 380
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 22
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
26
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 330
310

Common Calculations

Stiffness to Weight: Axial, points 7.0
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 7.5
19
Strength to Weight: Bending, points 9.9
19
Thermal Shock Resistance, points 7.6
17

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.010
Copper (Cu), % 65 to 70
46 to 50
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 1.5 to 3.8
0 to 0.050
Nickel (Ni), % 0 to 1.0
9.0 to 11
Phosphorus (P), % 0
0 to 0.25
Silicon (Si), % 0 to 0.050
0.040 to 0.25
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
37.9 to 45
Residuals, % 0
0 to 0.5