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C69400 Brass vs. C82400 Copper

Both C69400 brass and C82400 copper are copper alloys. They have 82% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
1.0 to 20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 570
500 to 1030
Tensile Strength: Yield (Proof), MPa 270
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Maximum Temperature: Mechanical, °C 170
270
Melting Completion (Liquidus), °C 920
1000
Melting Onset (Solidus), °C 820
900
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 26
130
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
25
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
26

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
8.9
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 340
270 to 3870
Stiffness to Weight: Axial, points 7.4
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19
16 to 33
Strength to Weight: Bending, points 18
16 to 26
Thermal Diffusivity, mm2/s 7.7
39
Thermal Shock Resistance, points 20
17 to 36

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 80 to 83
96 to 98.2
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0 to 0.3
0 to 0.020
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 3.5 to 4.5
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 11.5 to 16.5
0 to 0.1
Residuals, % 0
0 to 0.5