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EN 1.3975 Stainless Steel vs. S31100 Stainless Steel

Both EN 1.3975 stainless steel and S31100 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 28 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 EN 1.3975 stainless steel and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
4.5
Fatigue Strength, MPa 230
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 660
1000
Tensile Strength: Yield (Proof), MPa 320
710

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1320
1380
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
40
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 22
29
Thermal Shock Resistance, points 15
28

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 16 to 18
25 to 27
Iron (Fe), % 58.2 to 65.4
63.6 to 69
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 8.0 to 9.0
6.0 to 7.0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.25