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C82400 Copper vs. C69300 Brass

Both C82400 copper and C69300 brass are copper alloys. They have 75% of their average alloy composition in common. There are 27 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 C82400 copper and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.0 to 20
8.5 to 15
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
550 to 630
Tensile Strength: Yield (Proof), MPa 260 to 970
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 230
240
Maximum Temperature: Mechanical, °C 270
160
Melting Completion (Liquidus), °C 1000
880
Melting Onset (Solidus), °C 900
860
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 130
38
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 26
8.8

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 8.9
2.7
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
400 to 700
Stiffness to Weight: Axial, points 7.6
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 33
19 to 21
Strength to Weight: Bending, points 16 to 26
18 to 20
Thermal Diffusivity, mm2/s 39
12
Thermal Shock Resistance, points 17 to 36
19 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
73 to 77
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0 to 0.020
0 to 0.090
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.2
0 to 0.1
Phosphorus (P), % 0
0.040 to 0.15
Silicon (Si), % 0
2.7 to 3.4
Tin (Sn), % 0 to 0.1
0 to 0.2
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
18.4 to 24.3
Residuals, % 0
0 to 0.5