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EN 1.3975 Stainless Steel vs. S82031 Stainless Steel

Both EN 1.3975 stainless steel and S82031 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 27 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 1.3975 stainless steel and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
39
Fatigue Strength, MPa 230
490
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 660
780
Tensile Strength: Yield (Proof), MPa 320
570

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 910
980
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1320
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
13
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 21
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
280
Resilience: Unit (Modulus of Resilience), kJ/m3 270
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 16 to 18
19 to 22
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 58.2 to 65.4
68 to 78.3
Manganese (Mn), % 7.0 to 9.0
0 to 2.5
Molybdenum (Mo), % 0 to 1.0
0.6 to 1.4
Nickel (Ni), % 8.0 to 9.0
2.0 to 4.0
Nitrogen (N), % 0.080 to 0.18
0.14 to 0.24
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050