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Monel K-500 vs. SAE-AISI A8 Steel

Monel K-500 belongs to the nickel alloys classification, while SAE-AISI A8 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 A8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
74
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1350
1480
Melting Onset (Solidus), °C 1320
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 18
37
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
8.5
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
73

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 21 to 35
25 to 68
Strength to Weight: Bending, points 19 to 27
22 to 44
Thermal Diffusivity, mm2/s 4.8
9.9
Thermal Shock Resistance, points 21 to 36
22 to 62

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0.5 to 0.6
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 27 to 33
0 to 0.25
Iron (Fe), % 0 to 2.0
88.5 to 91.9
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
1.2 to 1.7
Nickel (Ni), % 63 to 70.4
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0.75 to 1.1
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.35 to 0.85
0
Tungsten (W), % 0
1.0 to 1.5

Comparable Variants