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S31100 Stainless Steel vs. EN 1.4611 Stainless Steel

Both S31100 stainless steel and EN 1.4611 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S31100 stainless steel and the bottom bar is EN 1.4611 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.5
21
Fatigue Strength, MPa 330
180
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
78
Shear Strength, MPa 580
330
Tensile Strength: Ultimate (UTS), MPa 1000
530
Tensile Strength: Yield (Proof), MPa 710
280

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 470
530
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.5
Embodied Energy, MJ/kg 44
36
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 26
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
91
Resilience: Unit (Modulus of Resilience), kJ/m3 1240
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36
19
Strength to Weight: Bending, points 29
19
Thermal Diffusivity, mm2/s 4.2
5.7
Thermal Shock Resistance, points 28
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 25 to 27
19 to 22
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 63.6 to 69
73.3 to 80.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 6.0 to 7.0
0 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 0 to 0.25
0.2 to 1.0