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ACI-ASTM CN3MN Steel vs. Monel K-500

ACI-ASTM CN3MN steel belongs to the iron alloys classification, while Monel K-500 belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3MN steel and the bottom bar is Monel K-500.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
160
Elongation at Break, % 39
25 to 36
Fatigue Strength, MPa 250
260 to 560
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
61
Tensile Strength: Ultimate (UTS), MPa 620
640 to 1100
Tensile Strength: Yield (Proof), MPa 300
310 to 880

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 13
18
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
50
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 6.2
8.1
Embodied Energy, MJ/kg 84
120
Embodied Water, L/kg 200
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
180 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 210
300 to 2420
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 21
21 to 35
Strength to Weight: Bending, points 20
19 to 27
Thermal Diffusivity, mm2/s 3.4
4.8
Thermal Shock Resistance, points 14
21 to 36

Alloy Composition

Aluminum (Al), % 0
2.3 to 3.2
Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0 to 0.75
27 to 33
Iron (Fe), % 41.4 to 50.3
0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
63 to 70.4
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
0.35 to 0.85