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S31727 Stainless Steel vs. EN 1.4662 Stainless Steel

Both S31727 stainless steel and EN 1.4662 stainless steel are iron alloys. They have 83% 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 S31727 stainless steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
28
Fatigue Strength, MPa 240
430 to 450
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
79
Shear Strength, MPa 430
520 to 540
Tensile Strength: Ultimate (UTS), MPa 630
810 to 830
Tensile Strength: Yield (Proof), MPa 270
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1010
1090
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
16
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.7
3.2
Embodied Energy, MJ/kg 64
45
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 35
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
210
Resilience: Unit (Modulus of Resilience), kJ/m3 190
840 to 940
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
29 to 30
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 14
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17.5 to 19
23 to 25
Copper (Cu), % 2.8 to 4.0
0.1 to 0.8
Iron (Fe), % 53.7 to 61.3
62.6 to 70.2
Manganese (Mn), % 0 to 1.0
2.5 to 4.0
Molybdenum (Mo), % 3.8 to 4.5
1.0 to 2.0
Nickel (Ni), % 14.5 to 16.5
3.0 to 4.5
Nitrogen (N), % 0.15 to 0.21
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.0050