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EN 1.4615 Stainless Steel vs. S31266 Stainless Steel

Both EN 1.4615 stainless steel and S31266 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 32 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 EN 1.4615 stainless steel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 50
40
Fatigue Strength, MPa 190
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Shear Strength, MPa 360
590
Tensile Strength: Ultimate (UTS), MPa 500
860
Tensile Strength: Yield (Proof), MPa 200
470

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 400
440
Maximum Temperature: Mechanical, °C 840
1100
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.8
6.5
Embodied Energy, MJ/kg 40
89
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 17
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
290
Resilience: Unit (Modulus of Resilience), kJ/m3 99
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 4.1
3.1
Thermal Shock Resistance, points 11
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 14 to 16
23 to 25
Copper (Cu), % 2.0 to 4.0
1.0 to 2.5
Iron (Fe), % 63.1 to 72.5
34.1 to 46
Manganese (Mn), % 7.0 to 9.0
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.8
5.2 to 6.2
Nickel (Ni), % 4.5 to 6.0
21 to 24
Nitrogen (N), % 0.020 to 0.060
0.35 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5