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C34000 Brass vs. C72800 Copper-nickel

Both C34000 brass and C72800 copper-nickel are copper alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C34000 brass and the bottom bar is C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 340 to 650
520 to 1270

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 930
1080
Melting Onset (Solidus), °C 890
920
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 120
55
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
11
Electrical Conductivity: Equal Weight (Specific), % IACS 29
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
38
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 2.6
4.4
Embodied Energy, MJ/kg 45
68
Embodied Water, L/kg 320
360

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 22
17 to 40
Strength to Weight: Bending, points 13 to 21
16 to 30
Thermal Diffusivity, mm2/s 37
17
Thermal Shock Resistance, points 11 to 22
19 to 45

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Copper (Cu), % 62 to 65
78.3 to 82.8
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0.8 to 1.5
0 to 0.0050
Magnesium (Mg), % 0
0.0050 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0
0 to 0.010
Zinc (Zn), % 33 to 37.2
0 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants