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ACI-ASTM CN3M Steel vs. C34000 Brass

ACI-ASTM CN3M steel belongs to the iron alloys classification, while C34000 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3M steel and the bottom bar is C34000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 500
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1450
930
Melting Onset (Solidus), °C 1400
890
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 13
120
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
26
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 5.9
2.6
Embodied Energy, MJ/kg 80
45
Embodied Water, L/kg 200
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17
11 to 22
Strength to Weight: Bending, points 17
13 to 21
Thermal Diffusivity, mm2/s 3.4
37
Thermal Shock Resistance, points 11
11 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 42.4 to 52.5
0 to 0.1
Lead (Pb), % 0
0.8 to 1.5
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
33 to 37.2
Residuals, % 0
0 to 0.4