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Monel K-500 vs. SAE-AISI 1144 Steel

Monel K-500 belongs to the nickel alloys classification, while SAE-AISI 1144 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is Monel K-500 and the bottom bar is SAE-AISI 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 25 to 36
11 to 17
Fatigue Strength, MPa 260 to 560
280 to 430
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
72
Shear Strength, MPa 430 to 700
460 to 510
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
750 to 840
Tensile Strength: Yield (Proof), MPa 310 to 880
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 18
51
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 50
1.9
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.4
Embodied Energy, MJ/kg 120
19
Embodied Water, L/kg 280
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
480 to 1290
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 21 to 35
27 to 30
Strength to Weight: Bending, points 19 to 27
23 to 25
Thermal Diffusivity, mm2/s 4.8
14
Thermal Shock Resistance, points 21 to 36
22 to 24

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0.4 to 0.48
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
97.5 to 98
Manganese (Mn), % 0 to 1.5
1.4 to 1.7
Nickel (Ni), % 63 to 70.4
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0.24 to 0.33
Titanium (Ti), % 0.35 to 0.85
0

Comparable Variants