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S31100 Stainless Steel vs. EN 1.4361 Stainless Steel

Both S31100 stainless steel and EN 1.4361 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S31100 stainless steel and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.5
43
Fatigue Strength, MPa 330
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 580
440
Tensile Strength: Ultimate (UTS), MPa 1000
630
Tensile Strength: Yield (Proof), MPa 710
250

Thermal Properties

Latent Heat of Fusion, J/g 300
350
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1420
1370
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.1
3.6
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 26
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1240
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36
23
Strength to Weight: Bending, points 29
21
Thermal Diffusivity, mm2/s 4.2
3.7
Thermal Shock Resistance, points 28
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.015
Chromium (Cr), % 25 to 27
16.5 to 18.5
Iron (Fe), % 63.6 to 69
58.7 to 65.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 6.0 to 7.0
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
3.7 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.25
0