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EN 1.4592 Stainless Steel vs. S21800 Stainless Steel

Both EN 1.4592 stainless steel and S21800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 80% 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 1.4592 stainless steel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
40
Fatigue Strength, MPa 340
330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
75
Shear Strength, MPa 400
510
Tensile Strength: Ultimate (UTS), MPa 630
740
Tensile Strength: Yield (Proof), MPa 500
390

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Maximum Temperature: Corrosion, °C 550
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 18
15
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 3.8
3.1
Embodied Energy, MJ/kg 52
45
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
250
Resilience: Unit (Modulus of Resilience), kJ/m3 610
390
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
26
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.1
Chromium (Cr), % 28 to 30
16 to 18
Iron (Fe), % 62.6 to 68.4
59.1 to 65.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0 to 0.045
0.080 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0