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S66286 Stainless Steel vs. EN 1.7231 Steel

Both S66286 stainless steel and EN 1.7231 steel are iron alloys. They have 57% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S66286 stainless steel and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 40
11 to 12
Fatigue Strength, MPa 240 to 410
360 to 500
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
790 to 930
Tensile Strength: Yield (Proof), MPa 280 to 670
570 to 800

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 920
420
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
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.5
Embodied Energy, MJ/kg 87
20
Embodied Water, L/kg 170
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
870 to 1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 36
28 to 33
Strength to Weight: Bending, points 20 to 28
24 to 27
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 13 to 22
23 to 27

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0.38 to 0.45
Chromium (Cr), % 13.5 to 16
0.8 to 1.2
Iron (Fe), % 49.1 to 59.5
96.4 to 98.1
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 1.0 to 1.5
0.15 to 0.3
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0

Comparable Variants