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H08 C42600 Brass vs. H08 C72200 Copper-nickel

Both H08 C42600 brass and H08 C72200 copper-nickel are copper alloys. Both are furnished in the H08 (spring) temper. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is H08 C42600 brass and the bottom bar is H08 C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
48
Tensile Strength: Ultimate (UTS), MPa 790
580

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 180
230
Melting Completion (Liquidus), °C 1030
1180
Melting Onset (Solidus), °C 1010
1120
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
34
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 26
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 2.9
3.9
Embodied Energy, MJ/kg 48
59
Embodied Water, L/kg 340
300

Common Calculations

Stiffness to Weight: Axial, points 7.1
8.0
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 33
9.6
Thermal Shock Resistance, points 28
20

Alloy Composition

Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 87 to 90
78.1 to 84.2
Iron (Fe), % 0.050 to 0.2
0.5 to 1.0
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.050 to 0.2
15 to 18
Phosphorus (P), % 0.020 to 0.050
0
Tin (Sn), % 2.5 to 4.0
0
Zinc (Zn), % 5.3 to 10.4
0 to 1.0
Residuals, % 0
0 to 0.2