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C99700 Brass vs. C77300 Nickel Silver

Both C99700 brass and C77300 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C99700 brass and the bottom bar is C77300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 380
540

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 900
940
Melting Onset (Solidus), °C 880
920
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
26
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 53
56
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 8.3
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
19
Strength to Weight: Bending, points 14
19
Thermal Shock Resistance, points 11
17

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0 to 0.010
Copper (Cu), % 54 to 65.5
46 to 50
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 2.0
0 to 0.050
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
9.0 to 11
Phosphorus (P), % 0
0 to 0.25
Silicon (Si), % 0
0.040 to 0.25
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
37.9 to 45
Residuals, % 0
0 to 0.5