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EN 1.4006 Stainless Steel vs. S31727 Stainless Steel

Both EN 1.4006 stainless steel and S31727 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4006 stainless steel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 23
40
Fatigue Strength, MPa 150 to 300
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 370 to 460
430
Tensile Strength: Ultimate (UTS), MPa 590 to 750
630
Tensile Strength: Yield (Proof), MPa 230 to 510
270

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 740
1010
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 1.9
4.7
Embodied Energy, MJ/kg 27
64
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 13
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 27
22
Strength to Weight: Bending, points 20 to 24
20
Thermal Shock Resistance, points 21 to 26
14

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11.5 to 13.5
17.5 to 19
Copper (Cu), % 0
2.8 to 4.0
Iron (Fe), % 83.1 to 88.4
53.7 to 61.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0 to 0.75
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030