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C23400 Brass vs. ACI-ASTM CE8MN Steel

C23400 brass belongs to the copper alloys classification, while ACI-ASTM CE8MN steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C23400 brass and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 42
80
Tensile Strength: Ultimate (UTS), MPa 370 to 640
750

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 970
1440
Melting Onset (Solidus), °C 930
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Base Metal Price, % relative 27
21
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 43
58
Embodied Water, L/kg 320
180

Common Calculations

Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 21
27
Strength to Weight: Bending, points 13 to 19
23
Thermal Diffusivity, mm2/s 36
4.2
Thermal Shock Resistance, points 12 to 22
21

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
22.5 to 25.5
Copper (Cu), % 81 to 84
0
Iron (Fe), % 0 to 0.050
56 to 66.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0
8.0 to 11
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 15.7 to 19
0
Residuals, % 0 to 0.2
0