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C21000 Brass vs. C23000 Brass

Both C21000 brass and C23000 brass are copper alloys. They have 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
2.9 to 47
Poisson's Ratio 0.34
0.33
Rockwell B Hardness 36 to 73
48 to 87
Rockwell Superficial 30T Hardness 44 to 68
51 to 77
Shear Modulus, GPa 43
42
Shear Strength, MPa 180 to 280
220 to 340
Tensile Strength: Ultimate (UTS), MPa 240 to 450
280 to 590
Tensile Strength: Yield (Proof), MPa 69 to 440
83 to 480

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 1070
1030
Melting Onset (Solidus), °C 1050
990
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 230
160
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
37
Electrical Conductivity: Equal Weight (Specific), % IACS 57
39

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.8
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 42
43
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
6.2 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
31 to 1040
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
8.9 to 19
Strength to Weight: Bending, points 9.6 to 15
11 to 18
Thermal Diffusivity, mm2/s 69
48
Thermal Shock Resistance, points 8.1 to 15
9.4 to 20

Alloy Composition

Copper (Cu), % 94 to 96
84 to 86
Iron (Fe), % 0 to 0.050
0 to 0.050
Lead (Pb), % 0 to 0.030
0 to 0.050
Zinc (Zn), % 3.7 to 6.0
13.7 to 16
Residuals, % 0
0 to 0.2

Comparable Variants