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ACI-ASTM CD4MCuN Steel vs. C87500 Brass

ACI-ASTM CD4MCuN steel belongs to the iron alloys classification, while C87500 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD4MCuN steel and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 18
18
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
42
Tensile Strength: Ultimate (UTS), MPa 770
460
Tensile Strength: Yield (Proof), MPa 550
190

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 17
28
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 18
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 49
44
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
67
Resilience: Unit (Modulus of Resilience), kJ/m3 760
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 24
16
Thermal Diffusivity, mm2/s 4.5
8.3
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 24.5 to 26.5
0
Copper (Cu), % 2.7 to 3.3
79 to 85
Iron (Fe), % 59.5 to 66.3
0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.7 to 2.3
0
Nickel (Ni), % 4.7 to 6.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
3.0 to 5.0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5