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C82400 Copper vs. C42500 Brass

Both C82400 copper and C42500 brass are copper alloys. They have 89% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C82400 copper and the bottom bar is C42500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.0 to 20
2.0 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
310 to 630
Tensile Strength: Yield (Proof), MPa 260 to 970
120 to 590

Thermal Properties

Latent Heat of Fusion, J/g 230
200
Maximum Temperature: Mechanical, °C 270
180
Melting Completion (Liquidus), °C 1000
1030
Melting Onset (Solidus), °C 900
1010
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
28
Electrical Conductivity: Equal Weight (Specific), % IACS 26
29

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
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
12 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
64 to 1570
Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16 to 33
9.9 to 20
Strength to Weight: Bending, points 16 to 26
12 to 19
Thermal Diffusivity, mm2/s 39
36
Thermal Shock Resistance, points 17 to 36
11 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.15
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
87 to 90
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.050
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.35
Tin (Sn), % 0 to 0.1
1.5 to 3.0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
6.1 to 11.5
Residuals, % 0
0 to 0.5