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Monel K-500 vs. ASTM Grade LC9 Steel

Monel K-500 belongs to the nickel alloys classification, while ASTM grade LC9 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Monel K-500 and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 25 to 36
22
Fatigue Strength, MPa 260 to 560
420
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
73
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
660
Tensile Strength: Yield (Proof), MPa 310 to 880
590

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 900
430
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
10

Otherwise Unclassified Properties

Base Metal Price, % relative 50
8.0
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.1
2.3
Embodied Energy, MJ/kg 120
31
Embodied Water, L/kg 280
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
140
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
920
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 21 to 35
23
Strength to Weight: Bending, points 19 to 27
21
Thermal Shock Resistance, points 21 to 36
20

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0 to 0.13
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 27 to 33
0 to 0.3
Iron (Fe), % 0 to 2.0
87.4 to 91.5
Manganese (Mn), % 0 to 1.5
0 to 0.9
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 63 to 70.4
8.5 to 10
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.045
Titanium (Ti), % 0.35 to 0.85
0
Vanadium (V), % 0
0 to 0.030