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EN 1.4662 Stainless Steel vs. SAE-AISI 5140 Steel

Both EN 1.4662 stainless steel and SAE-AISI 5140 steel are iron alloys. They have 68% of their average alloy composition in common. 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 EN 1.4662 stainless steel and the bottom bar is SAE-AISI 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
12 to 29
Fatigue Strength, MPa 430 to 450
220 to 570
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 520 to 540
360 to 600
Tensile Strength: Ultimate (UTS), MPa 810 to 830
560 to 970
Tensile Strength: Yield (Proof), MPa 580 to 620
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1090
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 170
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
220 to 1880
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 30
20 to 34
Strength to Weight: Bending, points 25
19 to 28
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 22
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.38 to 0.43
Chromium (Cr), % 23 to 25
0.7 to 0.9
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 62.6 to 70.2
97.3 to 98.1
Manganese (Mn), % 2.5 to 4.0
0.7 to 0.9
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 3.0 to 4.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.0050
0 to 0.040

Comparable Variants