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H06 C26800 Brass vs. H06 C72200 Copper-nickel

Both H06 C26800 brass and H06 C72200 copper-nickel are copper alloys. Both are furnished in the H06 (extra hard) temper. They have 67% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is H06 C26800 brass and the bottom bar is H06 C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.31
0.33
Rockwell B Hardness 86
85
Shear Modulus, GPa 40
48
Tensile Strength: Ultimate (UTS), MPa 580
560

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 130
230
Melting Completion (Liquidus), °C 930
1180
Melting Onset (Solidus), °C 900
1120
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
34
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 30
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 45
59
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 37
9.6
Thermal Shock Resistance, points 19
19

Alloy Composition

Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 64 to 68.5
78.1 to 84.2
Iron (Fe), % 0 to 0.050
0.5 to 1.0
Lead (Pb), % 0 to 0.15
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
15 to 18
Zinc (Zn), % 31 to 36
0 to 1.0
Residuals, % 0
0 to 0.2