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C15900 Copper vs. C69400 Brass

Both C15900 copper and C69400 brass are copper alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C15900 copper and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.5
17
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Shear Strength, MPa 420
350
Tensile Strength: Ultimate (UTS), MPa 720
570
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 1030
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 280
26
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 49
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
80
Resilience: Unit (Modulus of Resilience), kJ/m3 260
340
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 80
7.7
Thermal Shock Resistance, points 26
20

Alloy Composition

Aluminum (Al), % 0.76 to 0.84
0
Carbon (C), % 0.27 to 0.33
0
Copper (Cu), % 97.5 to 97.9
80 to 83
Iron (Fe), % 0 to 0.040
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Oxygen (O), % 0.4 to 0.54
0
Silicon (Si), % 0
3.5 to 4.5
Titanium (Ti), % 0.66 to 0.74
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5