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H04 C10300 Copper vs. H04 C68800 Brass

Both H04 C10300 copper and H04 C68800 brass are copper alloys. Both are furnished in the H04 (full hard) temper. They have 73% of their average alloy composition in common. There are 30 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 H04 C10300 copper and the bottom bar is H04 C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 13
6.0
Poisson's Ratio 0.34
0.32
Rockwell Superficial 30T Hardness 58
82
Shear Modulus, GPa 43
41
Shear Strength, MPa 200
440
Tensile Strength: Ultimate (UTS), MPa 330
750
Tensile Strength: Yield (Proof), MPa 300
670

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1080
960
Melting Onset (Solidus), °C 1080
950
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 390
40
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 99
18
Electrical Conductivity: Equal Weight (Specific), % IACS 99
20

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
48
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
43
Resilience: Unit (Modulus of Resilience), kJ/m3 390
2070
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10
26
Strength to Weight: Bending, points 12
22
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 12
26

Alloy Composition


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Aluminum (Al), % 0
3.0 to 3.8
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 99.95 to 99.999
70.8 to 75.5
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Phosphorus (P), % 0.0010 to 0.0050
0
Zinc (Zn), % 0
21.3 to 24.1
Residuals, % 0
0 to 0.5