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C46400 Brass vs. C18900 Copper

Both C46400 brass and C18900 copper are copper alloys. They have 62% 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 C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17 to 40
14 to 48
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Shear Strength, MPa 270 to 310
190 to 300
Tensile Strength: Ultimate (UTS), MPa 400 to 500
260 to 500
Tensile Strength: Yield (Proof), MPa 160 to 320
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
1080
Melting Onset (Solidus), °C 890
1020
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
30
Electrical Conductivity: Equal Weight (Specific), % IACS 29
30

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 140
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
20 to 660
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 14 to 17
8.2 to 16
Strength to Weight: Bending, points 15 to 17
10 to 16
Thermal Diffusivity, mm2/s 38
38
Thermal Shock Resistance, points 13 to 16
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Copper (Cu), % 59 to 62
97.7 to 99.15
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.2
0 to 0.020
Manganese (Mn), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0.15 to 0.4
Tin (Sn), % 0.5 to 1.0
0.6 to 0.9
Zinc (Zn), % 36.3 to 40.5
0 to 0.1
Residuals, % 0
0 to 0.5

Comparable Variants