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SAE-AISI 1140 Steel vs. EN 1.4662 Stainless Steel

Both SAE-AISI 1140 steel and EN 1.4662 stainless steel are iron alloys. They have 67% of their average alloy composition in common. 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 SAE-AISI 1140 steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 18
28
Fatigue Strength, MPa 230 to 370
430 to 450
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
79
Shear Strength, MPa 370 to 420
520 to 540
Tensile Strength: Ultimate (UTS), MPa 600 to 700
810 to 830
Tensile Strength: Yield (Proof), MPa 340 to 570
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 18
45
Embodied Water, L/kg 46
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 93
210
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 870
840 to 940
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 25
29 to 30
Strength to Weight: Bending, points 20 to 22
25
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 18 to 21
22

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 98.4 to 98.9
62.6 to 70.2
Manganese (Mn), % 0.7 to 1.0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0.080 to 0.13
0 to 0.0050

Comparable Variants