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C46400 Brass vs. C18600 Copper

Both C46400 brass and C18600 copper are copper alloys. They have 61% 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 C46400 brass and the bottom bar is C18600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17 to 40
8.0 to 11
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Shear Strength, MPa 270 to 310
310 to 340
Tensile Strength: Ultimate (UTS), MPa 400 to 500
520 to 580
Tensile Strength: Yield (Proof), MPa 160 to 320
500 to 520

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
1090
Melting Onset (Solidus), °C 890
1070
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
280
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
70
Electrical Conductivity: Equal Weight (Specific), % IACS 29
71

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 140
44 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
1060 to 1180
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 14 to 17
16 to 18
Strength to Weight: Bending, points 15 to 17
16 to 17
Thermal Diffusivity, mm2/s 38
81
Thermal Shock Resistance, points 13 to 16
19 to 20

Alloy Composition

Chromium (Cr), % 0
0.1 to 1.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 59 to 62
96.5 to 99.55
Iron (Fe), % 0 to 0.1
0.25 to 0.8
Lead (Pb), % 0 to 0.2
0
Nickel (Ni), % 0
0 to 0.25
Tin (Sn), % 0.5 to 1.0
0
Titanium (Ti), % 0
0.050 to 0.5
Zinc (Zn), % 36.3 to 40.5
0
Zirconium (Zr), % 0
0.050 to 0.4
Residuals, % 0
0 to 0.5