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ACI-ASTM CN3M Steel vs. C24000 Brass

ACI-ASTM CN3M steel belongs to the iron alloys classification, while C24000 brass belongs to the copper alloys. There are 24 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 ACI-ASTM CN3M steel and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
42
Tensile Strength: Ultimate (UTS), MPa 500
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1450
1000
Melting Onset (Solidus), °C 1400
970
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 13
140
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
32
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
34

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 5.9
2.6
Embodied Energy, MJ/kg 80
43
Embodied Water, L/kg 200
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17
10 to 21
Strength to Weight: Bending, points 17
12 to 20
Thermal Diffusivity, mm2/s 3.4
43
Thermal Shock Resistance, points 11
10 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
78.5 to 81.5
Iron (Fe), % 42.4 to 52.5
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
18.2 to 21.5
Residuals, % 0
0 to 0.2