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C44400 Brass vs. C71000 Copper-nickel

Both C44400 brass and C71000 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 C71000 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
49
Tensile Strength: Ultimate (UTS), MPa 350
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 140
240
Melting Completion (Liquidus), °C 940
1200
Melting Onset (Solidus), °C 900
1150
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
43
Thermal Expansion, µm/m-K 20
15

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
37
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.8
4.3
Embodied Energy, MJ/kg 46
63
Embodied Water, L/kg 330
290

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
10 to 18
Strength to Weight: Bending, points 13
12 to 17
Thermal Diffusivity, mm2/s 35
12
Thermal Shock Resistance, points 12
12 to 20

Alloy Composition


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Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
73.5 to 80.5
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
19 to 23
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
0 to 1.0
Residuals, % 0 to 0.4
0 to 0.5