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EN 1.3551 Steel vs. S66286 Stainless Steel

Both EN 1.3551 steel and S66286 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3551 steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 720
620 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 530
920
Melting Completion (Liquidus), °C 1490
1430
Melting Onset (Solidus), °C 1450
1370
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 36
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.9
6.0
Embodied Energy, MJ/kg 71
87
Embodied Water, L/kg 82
170

Common Calculations

PREN (Pitting Resistance) 18
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
22 to 36
Strength to Weight: Bending, points 23
20 to 28
Thermal Diffusivity, mm2/s 9.8
4.0
Thermal Shock Resistance, points 21
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.77 to 0.85
0 to 0.080
Chromium (Cr), % 3.9 to 4.3
13.5 to 16
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 88.8 to 91.1
49.1 to 59.5
Manganese (Mn), % 0.15 to 0.35
0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
1.0 to 1.5
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0.1 to 0.5