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EN 1.4592 Stainless Steel vs. S31655 Stainless Steel

Both EN 1.4592 stainless steel and S31655 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% 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 1.4592 stainless steel and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 340
300
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
78
Shear Strength, MPa 400
490
Tensile Strength: Ultimate (UTS), MPa 630
710
Tensile Strength: Yield (Proof), MPa 500
350

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 550
430
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
17
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.3
Embodied Energy, MJ/kg 52
46
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 43
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
230
Resilience: Unit (Modulus of Resilience), kJ/m3 610
310
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 28 to 30
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 62.6 to 68.4
63.2 to 71.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.5
0.5 to 1.5
Nickel (Ni), % 0
8.0 to 9.5
Nitrogen (N), % 0 to 0.045
0.14 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.15 to 0.8
0