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H08 C14300 Copper vs. H08 C66700 Brass

Both H08 C14300 copper and H08 C66700 brass are copper alloys. Both are furnished in the H08 (spring) temper. They have 70% of their average alloy composition in common. There are 29 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 H08 C14300 copper and the bottom bar is H08 C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.0
2.5
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
41
Shear Strength, MPa 220
530
Tensile Strength: Ultimate (UTS), MPa 380
660
Tensile Strength: Yield (Proof), MPa 360
620

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 220
140
Melting Completion (Liquidus), °C 1080
1090
Melting Onset (Solidus), °C 1050
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
97
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 96
17
Electrical Conductivity: Equal Weight (Specific), % IACS 96
19

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
16
Resilience: Unit (Modulus of Resilience), kJ/m3 550
1780
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 12
22
Strength to Weight: Bending, points 13
21
Thermal Diffusivity, mm2/s 110
30
Thermal Shock Resistance, points 13
22

Alloy Composition

Cadmium (Cd), % 0.050 to 0.15
0
Copper (Cu), % 99.9 to 99.95
68.5 to 71.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0
0.8 to 1.5
Zinc (Zn), % 0
26.3 to 30.7
Residuals, % 0
0 to 0.5