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Monel K-500 vs. SAE-AISI 1021 Steel

Monel K-500 belongs to the nickel alloys classification, while SAE-AISI 1021 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 1021 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 25 to 36
17 to 27
Fatigue Strength, MPa 260 to 560
190 to 300
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
73
Shear Strength, MPa 430 to 700
310 to 320
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
480 to 530
Tensile Strength: Yield (Proof), MPa 310 to 880
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 18
52
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 50
1.8
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.1
1.4
Embodied Energy, MJ/kg 120
18
Embodied Water, L/kg 280
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
180 to 530
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 21 to 35
17 to 19
Strength to Weight: Bending, points 19 to 27
17 to 18
Thermal Diffusivity, mm2/s 4.8
14
Thermal Shock Resistance, points 21 to 36
15 to 17

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0.18 to 0.23
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
98.8 to 99.22
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
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 to 0.050
Titanium (Ti), % 0.35 to 0.85
0

Comparable Variants