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C32000 Brass vs. ACI-ASTM CD4MCuN Steel

C32000 brass belongs to the copper alloys classification, while ACI-ASTM CD4MCuN 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 CD4MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.8 to 29
18
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 270 to 470
770
Tensile Strength: Yield (Proof), MPa 78 to 390
550

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 1020
1420
Melting Onset (Solidus), °C 990
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 160
17
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
18
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.5
Embodied Energy, MJ/kg 42
49
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
130
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
760
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
4.5
Thermal Shock Resistance, points 9.5 to 16
21

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24.5 to 26.5
Copper (Cu), % 83.5 to 86.5
2.7 to 3.3
Iron (Fe), % 0 to 0.1
59.5 to 66.3
Lead (Pb), % 1.5 to 2.2
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.7 to 2.3
Nickel (Ni), % 0 to 0.25
4.7 to 6.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0 to 0.4
0