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S31266 Stainless Steel vs. EN 1.5662 Steel

Both S31266 stainless steel and EN 1.5662 steel are iron alloys. They have 50% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 400
380 to 450
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
56 to 57
Shear Modulus, GPa 81
73
Shear Strength, MPa 590
460 to 470
Tensile Strength: Ultimate (UTS), MPa 860
740 to 750
Tensile Strength: Yield (Proof), MPa 470
550 to 660

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
7.5
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 6.5
2.3
Embodied Energy, MJ/kg 89
31
Embodied Water, L/kg 220
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 540
810 to 1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
26
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
88.6 to 91.2
Manganese (Mn), % 2.0 to 4.0
0.3 to 0.8
Molybdenum (Mo), % 5.2 to 6.2
0 to 0.1
Nickel (Ni), % 21 to 24
8.5 to 10
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.0050
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0
0 to 0.050