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C69400 Brass vs. C19020 Copper

Both C69400 brass and C19020 copper are copper alloys. They have 82% of their average alloy composition in common. There are 26 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 C69400 brass and the bottom bar is C19020 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
2.3 to 5.7
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
44
Shear Strength, MPa 350
260 to 340
Tensile Strength: Ultimate (UTS), MPa 570
440 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 920
1090
Melting Onset (Solidus), °C 820
1030
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 26
190
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
50
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
50

Otherwise Unclassified Properties

Base Metal Price, % relative 27
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 300
310

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19
14 to 18
Strength to Weight: Bending, points 18
14 to 18
Thermal Diffusivity, mm2/s 7.7
55
Thermal Shock Resistance, points 20
16 to 21

Alloy Composition


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Copper (Cu), % 80 to 83
95.7 to 99.19
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.3
0
Nickel (Ni), % 0
0.5 to 3.0
Phosphorus (P), % 0
0.010 to 0.2
Silicon (Si), % 3.5 to 4.5
0
Tin (Sn), % 0
0.3 to 0.9
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0 to 0.2