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EN 1.4310 Stainless Steel vs. S31266 Stainless Steel

Both EN 1.4310 stainless steel and S31266 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 45
40
Fatigue Strength, MPa 240 to 330
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 510 to 550
590
Tensile Strength: Ultimate (UTS), MPa 730 to 900
860
Tensile Strength: Yield (Proof), MPa 260 to 570
470

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.9
6.5
Embodied Energy, MJ/kg 42
89
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 20
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
290
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 32
29
Strength to Weight: Bending, points 23 to 27
24
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 15 to 18
18

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 19
23 to 25
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 66.4 to 78
34.1 to 46
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.8
5.2 to 6.2
Nickel (Ni), % 6.0 to 9.5
21 to 24
Nitrogen (N), % 0 to 0.1
0.35 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5