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Monel K-500 vs. ASTM A588 Steel

Monel K-500 belongs to the nickel alloys classification, while ASTM A588 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is Monel K-500 and the bottom bar is ASTM A588 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
270
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
73
Shear Strength, MPa 430 to 700
350
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
550
Tensile Strength: Yield (Proof), MPa 310 to 880
390

Thermal Properties

Latent Heat of Fusion, J/g 270
250 to 260
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1320
1410 to 1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 18
43 to 44
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
2.3 to 2.5
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.5 to 1.6
Embodied Energy, MJ/kg 120
20 to 22
Embodied Water, L/kg 280
50 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
400
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 21 to 35
20
Strength to Weight: Bending, points 19 to 27
19
Thermal Diffusivity, mm2/s 4.8
12
Thermal Shock Resistance, points 21 to 36
16