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S31266 Stainless Steel vs. EN 1.7711 Steel

Both S31266 stainless steel and EN 1.7711 steel are iron alloys. They have 43% 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 S31266 stainless steel and the bottom bar is EN 1.7711 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
16 to 22
Fatigue Strength, MPa 400
290 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 590
440 to 570
Tensile Strength: Ultimate (UTS), MPa 860
690 to 930
Tensile Strength: Yield (Proof), MPa 470
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
430
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
33
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
2.3
Embodied Energy, MJ/kg 89
32
Embodied Water, L/kg 220
54

Common Calculations

PREN (Pitting Resistance) 54
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
130 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 540
430 to 1690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
24 to 33
Strength to Weight: Bending, points 24
22 to 27
Thermal Diffusivity, mm2/s 3.1
8.9
Thermal Shock Resistance, points 18
24 to 32

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.030
0.36 to 0.44
Chromium (Cr), % 23 to 25
0.9 to 1.2
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
96 to 97.5
Manganese (Mn), % 2.0 to 4.0
0.45 to 0.85
Molybdenum (Mo), % 5.2 to 6.2
0.5 to 0.65
Nickel (Ni), % 21 to 24
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0
0.25 to 0.35