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H10 C42600 Brass vs. H10 C72500 Copper-nickel

Both H10 C42600 brass and H10 C72500 copper-nickel are copper alloys. Both are furnished in the H10 (extra spring) temper. They have a moderately high 90% 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 H10 C42600 brass and the bottom bar is H10 C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 830
670

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 1030
1130
Melting Onset (Solidus), °C 1010
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
54
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 26
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
35
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 2.9
3.6
Embodied Energy, MJ/kg 48
55
Embodied Water, L/kg 340
320

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 33
16
Thermal Shock Resistance, points 29
23

Alloy Composition

Copper (Cu), % 87 to 90
85.2 to 89.7
Iron (Fe), % 0.050 to 0.2
0 to 0.6
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0.050 to 0.2
8.5 to 10.5
Phosphorus (P), % 0.020 to 0.050
0
Tin (Sn), % 2.5 to 4.0
1.8 to 2.8
Zinc (Zn), % 5.3 to 10.4
0 to 0.5
Residuals, % 0
0 to 0.2