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EN 1.5510 Steel vs. S31266 Stainless Steel

Both EN 1.5510 steel and S31266 stainless steel are iron alloys. They have 41% 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 EN 1.5510 steel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 21
40
Fatigue Strength, MPa 220 to 330
400
Poisson's Ratio 0.29
0.28
Reduction in Area, % 62 to 72
56
Shear Modulus, GPa 73
81
Shear Strength, MPa 310 to 380
590
Tensile Strength: Ultimate (UTS), MPa 450 to 1600
860
Tensile Strength: Yield (Proof), MPa 310 to 520
470

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
6.5
Embodied Energy, MJ/kg 19
89
Embodied Water, L/kg 47
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 46 to 260
290
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 710
540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 57
29
Strength to Weight: Bending, points 17 to 39
24
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 13 to 47
18

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.25 to 0.3
0 to 0.030
Chromium (Cr), % 0 to 0.3
23 to 25
Copper (Cu), % 0 to 0.25
1.0 to 2.5
Iron (Fe), % 97.9 to 99.149
34.1 to 46
Manganese (Mn), % 0.6 to 0.9
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 0
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5