MakeItFrom.com
Menu (ESC)

C23400 Brass vs. C21000 Brass

Both C23400 brass and C21000 brass are copper alloys. They have 87% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C23400 brass and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.34
Rockwell B Hardness 52 to 91
36 to 73
Rockwell Superficial 30T Hardness 51 to 78
44 to 68
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 370 to 640
240 to 450

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 970
1070
Melting Onset (Solidus), °C 930
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
230
Thermal Expansion, µm/m-K 19
18

Otherwise Unclassified Properties

Base Metal Price, % relative 27
30
Density, g/cm3 8.5
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 43
42
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 21
7.4 to 14
Strength to Weight: Bending, points 13 to 19
9.6 to 15
Thermal Diffusivity, mm2/s 36
69
Thermal Shock Resistance, points 12 to 22
8.1 to 15

Alloy Composition

Copper (Cu), % 81 to 84
94 to 96
Iron (Fe), % 0 to 0.050
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.030
Zinc (Zn), % 15.7 to 19
3.7 to 6.0
Residuals, % 0
0 to 0.2

Comparable Variants