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EN 1.5662 Steel vs. S31100 Stainless Steel

Both EN 1.5662 steel and S31100 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.5662 steel and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
4.5
Fatigue Strength, MPa 380 to 450
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 460 to 470
580
Tensile Strength: Ultimate (UTS), MPa 740 to 750
1000
Tensile Strength: Yield (Proof), MPa 550 to 660
710

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
16
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.3
3.1
Embodied Energy, MJ/kg 31
44
Embodied Water, L/kg 63
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
40
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1150
1240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
36
Strength to Weight: Bending, points 23
29
Thermal Shock Resistance, points 22
28

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 0
25 to 27
Iron (Fe), % 88.6 to 91.2
63.6 to 69
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 8.5 to 10
6.0 to 7.0
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0
0 to 0.25
Vanadium (V), % 0 to 0.050
0