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S66286 Stainless Steel vs. EN 1.6771 Steel

Both S66286 stainless steel and EN 1.6771 steel are iron alloys. They have 60% of their average alloy composition in common. There are 30 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 S66286 stainless steel and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 40
8.0 to 8.7
Fatigue Strength, MPa 240 to 410
440 to 680
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
930 to 1180
Tensile Strength: Yield (Proof), MPa 280 to 670
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 920
440
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 26
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
1.9
Embodied Energy, MJ/kg 87
25
Embodied Water, L/kg 170
58

Common Calculations

PREN (Pitting Resistance) 19
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
1460 to 3450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 36
33 to 41
Strength to Weight: Bending, points 20 to 28
27 to 31
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 13 to 22
27 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0.27 to 0.33
Chromium (Cr), % 13.5 to 16
0.8 to 1.2
Iron (Fe), % 49.1 to 59.5
92.2 to 95
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 1.0 to 1.5
0.3 to 0.6
Nickel (Ni), % 24 to 27
3.0 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0

Comparable Variants