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ACI-ASTM CN3MN Steel vs. C87900 Brass

ACI-ASTM CN3MN steel belongs to the iron alloys classification, while C87900 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3MN steel and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 39
25
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 80
41
Tensile Strength: Ultimate (UTS), MPa 620
480
Tensile Strength: Yield (Proof), MPa 300
240

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
130
Melting Completion (Liquidus), °C 1460
930
Melting Onset (Solidus), °C 1410
900
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 13
120
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
17

Otherwise Unclassified Properties

Base Metal Price, % relative 33
24
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 6.2
2.7
Embodied Energy, MJ/kg 84
46
Embodied Water, L/kg 200
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
100
Resilience: Unit (Modulus of Resilience), kJ/m3 210
270
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 3.4
37
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0 to 0.75
63 to 69.2
Iron (Fe), % 41.4 to 50.3
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 2.0
0 to 0.15
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
0 to 0.5
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0.8 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
30 to 36