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S31727 Stainless Steel vs. EN 1.6511 Steel

Both S31727 stainless steel and EN 1.6511 steel are iron alloys. They have 61% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.6511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
12
Fatigue Strength, MPa 240
480
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
600
Tensile Strength: Ultimate (UTS), MPa 630
990
Tensile Strength: Yield (Proof), MPa 270
770

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.6
Embodied Energy, MJ/kg 64
21
Embodied Water, L/kg 180
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
35
Strength to Weight: Bending, points 20
28
Thermal Shock Resistance, points 14
29

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.4
Chromium (Cr), % 17.5 to 19
0.9 to 1.2
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
95.6 to 97.2
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 3.8 to 4.5
0.15 to 0.3
Nickel (Ni), % 14.5 to 16.5
0.9 to 1.2
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035