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C33000 Brass vs. C72150 Copper-nickel

Both C33000 brass and C72150 copper-nickel are copper alloys. They have 55% of their average alloy composition in common. There are 29 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 C33000 brass and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Elongation at Break, % 7.0 to 60
29
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
55
Shear Strength, MPa 240 to 300
320
Tensile Strength: Ultimate (UTS), MPa 320 to 520
490
Tensile Strength: Yield (Proof), MPa 110 to 450
210

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 130
600
Melting Completion (Liquidus), °C 940
1210
Melting Onset (Solidus), °C 900
1250
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
22
Thermal Expansion, µm/m-K 20
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 29
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
45
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
6.1
Embodied Energy, MJ/kg 45
88
Embodied Water, L/kg 320
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
150
Stiffness to Weight: Axial, points 7.2
9.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
15
Strength to Weight: Bending, points 13 to 18
15
Thermal Diffusivity, mm2/s 37
6.0
Thermal Shock Resistance, points 11 to 17
18

Alloy Composition

Carbon (C), % 0
0 to 0.1
Copper (Cu), % 65 to 68
52.5 to 57
Iron (Fe), % 0 to 0.070
0 to 0.1
Lead (Pb), % 0.25 to 0.7
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
43 to 46
Silicon (Si), % 0
0 to 0.5
Zinc (Zn), % 30.8 to 34.8
0 to 0.2
Residuals, % 0
0 to 0.5