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C44400 Brass vs. C72200 Copper-nickel

Both C44400 brass and C72200 copper-nickel are copper alloys. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
48
Tensile Strength: Ultimate (UTS), MPa 350
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 140
230
Melting Completion (Liquidus), °C 940
1180
Melting Onset (Solidus), °C 900
1120
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
34
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 27
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 26
36
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 46
59
Embodied Water, L/kg 330
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
11 to 18
Strength to Weight: Bending, points 13
12 to 17
Thermal Diffusivity, mm2/s 35
9.6
Thermal Shock Resistance, points 12
12 to 20

Alloy Composition

Antimony (Sb), % 0.020 to 0.1
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 70 to 73
78.1 to 84.2
Iron (Fe), % 0 to 0.060
0.5 to 1.0
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
15 to 18
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
0 to 1.0
Residuals, % 0
0 to 0.2