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S82031 Stainless Steel vs. EN 1.6982 Stainless Steel

Both S82031 stainless steel and EN 1.6982 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S82031 stainless steel and the bottom bar is EN 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
17
Fatigue Strength, MPa 490
350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 780
800
Tensile Strength: Yield (Proof), MPa 570
570

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 980
770
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.4
Embodied Energy, MJ/kg 39
33
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 27
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
120
Resilience: Unit (Modulus of Resilience), kJ/m3 820
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
28
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 3.9
6.6
Thermal Shock Resistance, points 22
29

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 19 to 22
12 to 13.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 68 to 78.3
78.7 to 84.5
Manganese (Mn), % 0 to 2.5
0 to 1.0
Molybdenum (Mo), % 0.6 to 1.4
0 to 0.7
Nickel (Ni), % 2.0 to 4.0
3.5 to 5.0
Nitrogen (N), % 0.14 to 0.24
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.015