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EN 1.6511 Steel vs. S31727 Stainless Steel

Both EN 1.6511 steel and S31727 stainless 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 EN 1.6511 steel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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