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C44400 Brass vs. C72150 Copper-nickel

Both C44400 brass and C72150 copper-nickel are copper alloys. They have 55% of their average alloy composition in common. There are 26 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 C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
55
Tensile Strength: Ultimate (UTS), MPa 350
490
Tensile Strength: Yield (Proof), MPa 120
210

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 140
600
Melting Completion (Liquidus), °C 940
1210
Melting Onset (Solidus), °C 900
1250
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
22
Thermal Expansion, µm/m-K 20
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 27
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 26
45
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.8
6.1
Embodied Energy, MJ/kg 46
88
Embodied Water, L/kg 330
270

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
150
Stiffness to Weight: Axial, points 7.2
9.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12
15
Strength to Weight: Bending, points 13
15
Thermal Diffusivity, mm2/s 35
6.0
Thermal Shock Resistance, points 12
18

Alloy Composition

Antimony (Sb), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 70 to 73
52.5 to 57
Iron (Fe), % 0 to 0.060
0 to 0.1
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
43 to 46
Silicon (Si), % 0
0 to 0.5
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
0 to 0.2
Residuals, % 0
0 to 0.5