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C14300 Copper vs. C69710 Brass

Both C14300 copper and C69710 brass are copper alloys. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is C14300 copper and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.0 to 42
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
41
Shear Strength, MPa 150 to 260
300
Tensile Strength: Ultimate (UTS), MPa 220 to 460
470
Tensile Strength: Yield (Proof), MPa 76 to 430
230

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1080
930
Melting Onset (Solidus), °C 1050
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 380
40
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 96
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 96
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 72
99
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 810
250
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8 to 14
16
Strength to Weight: Bending, points 9.1 to 15
16
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 7.8 to 16
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Cadmium (Cd), % 0.050 to 0.15
0
Copper (Cu), % 99.9 to 99.95
75 to 80
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Silicon (Si), % 0
2.5 to 3.5
Zinc (Zn), % 0
13.8 to 22
Residuals, % 0
0 to 0.5