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C33000 Brass vs. C71640 Copper-nickel

Both C33000 brass and C71640 copper-nickel are copper alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C33000 brass and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
52
Tensile Strength: Ultimate (UTS), MPa 320 to 520
490 to 630
Tensile Strength: Yield (Proof), MPa 110 to 450
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 130
260
Melting Completion (Liquidus), °C 940
1180
Melting Onset (Solidus), °C 900
1120
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
29
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
40
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
5.0
Embodied Energy, MJ/kg 45
73
Embodied Water, L/kg 320
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
130 to 750
Stiffness to Weight: Axial, points 7.2
8.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
15 to 20
Strength to Weight: Bending, points 13 to 18
16 to 18
Thermal Diffusivity, mm2/s 37
8.2
Thermal Shock Resistance, points 11 to 17
16 to 21

Alloy Composition

Copper (Cu), % 65 to 68
61.7 to 67.8
Iron (Fe), % 0 to 0.070
1.7 to 2.3
Lead (Pb), % 0.25 to 0.7
0 to 0.050
Manganese (Mn), % 0
1.5 to 2.5
Nickel (Ni), % 0
29 to 32
Zinc (Zn), % 30.8 to 34.8
0 to 1.0
Residuals, % 0
0 to 0.5