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C16500 Copper vs. C69400 Brass

Both C16500 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 C16500 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, % 1.5 to 53
17
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Shear Strength, MPa 200 to 310
350
Tensile Strength: Ultimate (UTS), MPa 280 to 530
570
Tensile Strength: Yield (Proof), MPa 97 to 520
270

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1070
920
Melting Onset (Solidus), °C 1010
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 250
26
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 61
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8 to 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 1160
340
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.6 to 17
19
Strength to Weight: Bending, points 11 to 16
18
Thermal Diffusivity, mm2/s 74
7.7
Thermal Shock Resistance, points 9.8 to 19
20

Alloy Composition

Cadmium (Cd), % 0.6 to 1.0
0
Copper (Cu), % 97.8 to 98.9
80 to 83
Iron (Fe), % 0 to 0.020
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Silicon (Si), % 0
3.5 to 4.5
Tin (Sn), % 0.5 to 0.7
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5