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C44400 Brass vs. C74000 Nickel Silver

Both C44400 brass and C74000 nickel silver are copper alloys. They have 90% 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 C44400 brass and the bottom bar is C74000 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
44
Tensile Strength: Ultimate (UTS), MPa 350
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 940
990
Melting Onset (Solidus), °C 900
950
Specific Heat Capacity, J/kg-K 380
390
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
40
Electrical Conductivity: Equal Weight (Specific), % IACS 27
42

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
54
Embodied Water, L/kg 330
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
13 to 19
Strength to Weight: Bending, points 13
14 to 18
Thermal Shock Resistance, points 12
13 to 19

Alloy Composition


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Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
69 to 73.5
Iron (Fe), % 0 to 0.060
0 to 0.25
Lead (Pb), % 0 to 0.070
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
14.2 to 22
Residuals, % 0 to 0.4
0 to 0.5