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C44400 Brass vs. C72700 Copper-nickel

Both C44400 brass and C72700 copper-nickel are copper alloys. They have 73% 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 C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 350
460 to 1070
Tensile Strength: Yield (Proof), MPa 120
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 940
1100
Melting Onset (Solidus), °C 900
930
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
54
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 27
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
36
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.8
4.0
Embodied Energy, MJ/kg 46
62
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
1420 to 4770
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
14 to 34
Strength to Weight: Bending, points 13
15 to 26
Thermal Diffusivity, mm2/s 35
16
Thermal Shock Resistance, points 12
16 to 38

Alloy Composition


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Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
82.1 to 86
Iron (Fe), % 0 to 0.060
0 to 0.5
Lead (Pb), % 0 to 0.070
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Tin (Sn), % 0.9 to 1.2
5.5 to 6.5
Zinc (Zn), % 25.2 to 29.1
0 to 0.5
Residuals, % 0 to 0.4
0 to 0.3