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ACI-ASTM CF3M Steel vs. Monel 400

ACI-ASTM CF3M steel belongs to the iron alloys classification, while Monel 400 belongs to the nickel alloys. 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 CF3M steel and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 55
20 to 40
Fatigue Strength, MPa 270
230 to 290
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
62
Tensile Strength: Ultimate (UTS), MPa 520
540 to 780
Tensile Strength: Yield (Proof), MPa 260
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 990
1000
Melting Completion (Liquidus), °C 1440
1350
Melting Onset (Solidus), °C 1430
1300
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 15
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
50
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.8
7.9
Embodied Energy, MJ/kg 53
110
Embodied Water, L/kg 160
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140 to 1080
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 18
17 to 25
Strength to Weight: Bending, points 18
17 to 21
Thermal Diffusivity, mm2/s 4.3
6.1
Thermal Shock Resistance, points 12
17 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 17 to 21
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 59.9 to 72
0 to 2.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 13
63 to 72
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.024