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C18200 Copper vs. C69700 Brass

Both C18200 copper and C69700 brass are copper alloys. They have 78% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C18200 copper and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11 to 40
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
41
Shear Strength, MPa 210 to 320
300
Tensile Strength: Ultimate (UTS), MPa 310 to 530
470
Tensile Strength: Yield (Proof), MPa 97 to 450
230

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1080
930
Melting Onset (Solidus), °C 1070
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
43
Thermal Expansion, µm/m-K 18
19

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 8.9
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 43 to 96
99
Resilience: Unit (Modulus of Resilience), kJ/m3 40 to 860
250
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.6 to 16
16
Strength to Weight: Bending, points 11 to 16
16
Thermal Diffusivity, mm2/s 93
13
Thermal Shock Resistance, points 11 to 18
16

Alloy Composition

Chromium (Cr), % 0.6 to 1.2
0
Copper (Cu), % 98.6 to 99.4
75 to 80
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.050
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Silicon (Si), % 0 to 0.1
2.5 to 3.5
Zinc (Zn), % 0
13.9 to 22
Residuals, % 0
0 to 0.5