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C32000 Brass vs. ACI-ASTM CD3MWCuN Steel

C32000 brass belongs to the copper alloys classification, while ACI-ASTM CD3MWCuN steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C32000 brass and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.8 to 29
29
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 270 to 470
790
Tensile Strength: Yield (Proof), MPa 78 to 390
500

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 1020
1460
Melting Onset (Solidus), °C 990
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 160
16
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
22
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 42
58
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
200
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
620
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.8 to 15
28
Strength to Weight: Bending, points 11 to 16
24
Thermal Diffusivity, mm2/s 47
4.2
Thermal Shock Resistance, points 9.5 to 16
22

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 83.5 to 86.5
0.5 to 1.0
Iron (Fe), % 0 to 0.1
56.6 to 65.3
Lead (Pb), % 1.5 to 2.2
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.25
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0 to 0.4
0