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SAE-AISI 5140 Steel vs. Monel R-405

SAE-AISI 5140 steel belongs to the iron alloys classification, while Monel R-405 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5140 steel and the bottom bar is Monel R-405.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 12 to 29
9.1 to 39
Fatigue Strength, MPa 220 to 570
210 to 250
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
62
Shear Strength, MPa 360 to 600
350 to 370
Tensile Strength: Ultimate (UTS), MPa 560 to 970
540 to 630
Tensile Strength: Yield (Proof), MPa 290 to 840
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
900
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1420
1300
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 45
23
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
50
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
7.9
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 49
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 180
49 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1880
120 to 370
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 20 to 34
17 to 20
Strength to Weight: Bending, points 19 to 28
17 to 18
Thermal Diffusivity, mm2/s 12
5.9
Thermal Shock Resistance, points 16 to 29
17 to 20

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.3
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 97.3 to 98.1
0 to 2.5
Manganese (Mn), % 0.7 to 0.9
0 to 2.0
Nickel (Ni), % 0
63 to 72
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0.025 to 0.060

Comparable Variants