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S31266 Stainless Steel vs. EN 1.8523 Steel

Both S31266 stainless steel and EN 1.8523 steel are iron alloys. They have 45% of their average alloy composition in common. There are 31 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 S31266 stainless steel and the bottom bar is EN 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
15
Fatigue Strength, MPa 400
530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
74
Shear Strength, MPa 590
610
Tensile Strength: Ultimate (UTS), MPa 860
1000
Tensile Strength: Yield (Proof), MPa 470
800

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
480
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.2
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
2.2
Embodied Energy, MJ/kg 89
31
Embodied Water, L/kg 220
64

Common Calculations

PREN (Pitting Resistance) 54
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
140
Resilience: Unit (Modulus of Resilience), kJ/m3 540
1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
36
Strength to Weight: Bending, points 24
28
Thermal Diffusivity, mm2/s 3.1
10
Thermal Shock Resistance, points 18
29

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.45
Chromium (Cr), % 23 to 25
3.0 to 3.5
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
93.5 to 95.7
Manganese (Mn), % 2.0 to 4.0
0.4 to 0.7
Molybdenum (Mo), % 5.2 to 6.2
0.8 to 1.1
Nickel (Ni), % 21 to 24
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0
0.15 to 0.25