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C44400 Brass vs. C76400 Nickel Silver

Both C44400 brass and C76400 nickel silver are copper alloys. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C76400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 350
590 to 610

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 140
190
Melting Completion (Liquidus), °C 940
990
Melting Onset (Solidus), °C 900
950
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
31
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 27
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 26
32
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 46
63
Embodied Water, L/kg 330
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12
19 to 20
Strength to Weight: Bending, points 13
18 to 19
Thermal Diffusivity, mm2/s 35
9.3
Thermal Shock Resistance, points 12
19 to 20

Alloy Composition


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Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
58.5 to 61.5
Iron (Fe), % 0 to 0.060
0 to 0.25
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
17.7 to 25
Residuals, % 0 to 0.4
0 to 0.5