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S82031 Stainless Steel vs. EN 1.6511 Steel

Both S82031 stainless steel and EN 1.6511 steel are iron alloys. They have 76% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S82031 stainless steel and the bottom bar is EN 1.6511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
12
Fatigue Strength, MPa 490
480
Poisson's Ratio 0.28
0.29
Rockwell C Hardness 27
55
Shear Modulus, GPa 78
73
Shear Strength, MPa 540
600
Tensile Strength: Ultimate (UTS), MPa 780
990
Tensile Strength: Yield (Proof), MPa 570
770

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
430
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 39
21
Embodied Water, L/kg 150
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
110
Resilience: Unit (Modulus of Resilience), kJ/m3 820
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
35
Strength to Weight: Bending, points 24
28
Thermal Diffusivity, mm2/s 3.9
9.9
Thermal Shock Resistance, points 22
29

Alloy Composition

Carbon (C), % 0 to 0.050
0.32 to 0.4
Chromium (Cr), % 19 to 22
0.9 to 1.2
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 68 to 78.3
95.6 to 97.2
Manganese (Mn), % 0 to 2.5
0.5 to 0.8
Molybdenum (Mo), % 0.6 to 1.4
0.15 to 0.3
Nickel (Ni), % 2.0 to 4.0
0.9 to 1.2
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 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035