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C44400 Brass vs. C74400 Nickel Silver

Both C44400 brass and C74400 nickel silver are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 350
350
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 140
140
Melting Completion (Liquidus), °C 940
930
Melting Onset (Solidus), °C 900
910
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
26
Electrical Conductivity: Equal Weight (Specific), % IACS 27
29

Otherwise Unclassified Properties

Base Metal Price, % relative 26
25
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 46
48
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
63
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
12
Strength to Weight: Bending, points 13
14
Thermal Diffusivity, mm2/s 35
37
Thermal Shock Resistance, points 12
12

Alloy Composition


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Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
62 to 66
Iron (Fe), % 0 to 0.060
0 to 0.050
Lead (Pb), % 0 to 0.070
0 to 0.050
Nickel (Ni), % 0
2.0 to 4.0
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
29.6 to 36
Residuals, % 0 to 0.4
0 to 0.3