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C19400 Copper vs. C23000 Brass

Both C19400 copper and C23000 brass are copper alloys. They have 85% of their average alloy composition in common. There are 30 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 C19400 copper and the bottom bar is C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.3 to 37
2.9 to 47
Poisson's Ratio 0.34
0.33
Rockwell Superficial 30T Hardness 59 to 78
51 to 77
Shear Modulus, GPa 44
42
Shear Strength, MPa 210 to 300
220 to 340
Tensile Strength: Ultimate (UTS), MPa 310 to 630
280 to 590
Tensile Strength: Yield (Proof), MPa 98 to 520
83 to 480

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1030
Melting Onset (Solidus), °C 1080
990
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 260
160
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58 to 68
37
Electrical Conductivity: Equal Weight (Specific), % IACS 58 to 69
39

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 40
43
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 220
6.2 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 1140
31 to 1040
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.7 to 20
8.9 to 19
Strength to Weight: Bending, points 11 to 18
11 to 18
Thermal Diffusivity, mm2/s 75
48
Thermal Shock Resistance, points 11 to 22
9.4 to 20

Alloy Composition

Copper (Cu), % 96.8 to 97.8
84 to 86
Iron (Fe), % 2.1 to 2.6
0 to 0.050
Lead (Pb), % 0 to 0.030
0 to 0.050
Phosphorus (P), % 0.015 to 0.15
0
Zinc (Zn), % 0.050 to 0.2
13.7 to 16
Residuals, % 0
0 to 0.2

Comparable Variants