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EN 1.4552 Stainless Steel vs. S21800 Stainless Steel

Both EN 1.4552 stainless steel and S21800 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4552 stainless steel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
40
Fatigue Strength, MPa 150
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 510
740
Tensile Strength: Yield (Proof), MPa 200
390

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 960
900
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.6
3.1
Embodied Energy, MJ/kg 52
45
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
250
Resilience: Unit (Modulus of Resilience), kJ/m3 100
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 18
24
Thermal Shock Resistance, points 11
17

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 18 to 20
16 to 18
Iron (Fe), % 63.9 to 73
59.1 to 65.4
Manganese (Mn), % 0 to 1.5
7.0 to 9.0
Nickel (Ni), % 9.0 to 12
8.0 to 9.0
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.5
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030