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H02 C18700 Copper vs. H02 C24000 Brass

Both H02 C18700 copper and H02 C24000 brass are copper alloys. Both are furnished in the H02 (half hard) temper. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is H02 C18700 copper and the bottom bar is H02 C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.0
18
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
42
Shear Strength, MPa 170
270
Tensile Strength: Ultimate (UTS), MPa 290
420
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1080
1000
Melting Onset (Solidus), °C 950
970
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 380
140
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
32
Electrical Conductivity: Equal Weight (Specific), % IACS 99
34

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
71
Resilience: Unit (Modulus of Resilience), kJ/m3 240
540
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.0
14
Strength to Weight: Bending, points 11
15
Thermal Diffusivity, mm2/s 110
43
Thermal Shock Resistance, points 10
14

Alloy Composition

Copper (Cu), % 98 to 99.2
78.5 to 81.5
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0.8 to 1.5
0 to 0.050
Zinc (Zn), % 0
18.2 to 21.5
Residuals, % 0
0 to 0.2