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Monel 400 vs. ASTM Grade HC Steel

Monel 400 belongs to the nickel alloys classification, while ASTM grade HC steel belongs to the iron alloys. There are 29 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 Monel 400 and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
6.0
Fatigue Strength, MPa 230 to 290
96
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 62
80
Tensile Strength: Ultimate (UTS), MPa 540 to 780
430
Tensile Strength: Yield (Proof), MPa 210 to 590
200

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1350
1410
Melting Onset (Solidus), °C 1300
1370
Specific Heat Capacity, J/kg-K 430
490
Thermal Conductivity, W/m-K 23
17
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 50
14
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 7.9
2.8
Embodied Energy, MJ/kg 110
40
Embodied Water, L/kg 250
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
21
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
95
Stiffness to Weight: Axial, points 10
15
Stiffness to Weight: Bending, points 21
26
Strength to Weight: Axial, points 17 to 25
16
Strength to Weight: Bending, points 17 to 21
16
Thermal Diffusivity, mm2/s 6.1
4.5
Thermal Shock Resistance, points 17 to 25
14

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
61.9 to 74
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 63 to 72
0 to 4.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.024
0 to 0.040