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C23000 Brass vs. C68400 Brass

Both C23000 brass and C68400 brass are copper alloys. They have 77% of their average alloy composition in common. There are 29 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 C23000 brass and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 47
18
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Shear Strength, MPa 220 to 340
330
Tensile Strength: Ultimate (UTS), MPa 280 to 590
540
Tensile Strength: Yield (Proof), MPa 83 to 480
310

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1030
840
Melting Onset (Solidus), °C 990
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 160
66
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
87
Electrical Conductivity: Equal Weight (Specific), % IACS 39
99

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 43
47
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.2 to 260
81
Resilience: Unit (Modulus of Resilience), kJ/m3 31 to 1040
460
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.9 to 19
19
Strength to Weight: Bending, points 11 to 18
19
Thermal Diffusivity, mm2/s 48
21
Thermal Shock Resistance, points 9.4 to 20
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 84 to 86
59 to 64
Iron (Fe), % 0 to 0.050
0 to 1.0
Lead (Pb), % 0 to 0.050
0 to 0.090
Manganese (Mn), % 0
0.2 to 1.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0
1.5 to 2.5
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 13.7 to 16
28.6 to 39.3
Residuals, % 0
0 to 0.5