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C82400 Copper vs. C99400 Brass

Both C82400 copper and C99400 brass are copper alloys. They have a moderately high 90% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C82400 copper and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 45
44
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
460 to 550
Tensile Strength: Yield (Proof), MPa 260 to 970
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 230
230
Maximum Temperature: Mechanical, °C 270
200
Melting Completion (Liquidus), °C 1000
1070
Melting Onset (Solidus), °C 900
1020
Specific Heat Capacity, J/kg-K 380
400
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
17
Electrical Conductivity: Equal Weight (Specific), % IACS 26
17

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 8.9
2.8
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
230 to 590
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 33
15 to 17
Strength to Weight: Bending, points 16 to 26
15 to 17
Thermal Shock Resistance, points 17 to 36
16 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.15
0.5 to 2.0
Beryllium (Be), % 1.6 to 1.9
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
83.5 to 96.5
Iron (Fe), % 0 to 0.2
1.0 to 3.0
Lead (Pb), % 0 to 0.020
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.2
1.0 to 3.5
Silicon (Si), % 0
0.5 to 2.0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0.5 to 5.0
Residuals, % 0
0 to 0.3

Comparable Variants