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S21800 Stainless Steel vs. EN 1.4587 Stainless Steel

Both S21800 stainless steel and EN 1.4587 stainless steel are iron alloys. They have 64% 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 S21800 stainless steel and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 330
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 740
540
Tensile Strength: Yield (Proof), MPa 390
250

Thermal Properties

Latent Heat of Fusion, J/g 340
310
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 15
36
Density, g/cm3 7.5
8.1
Embodied Carbon, kg CO2/kg material 3.1
6.3
Embodied Energy, MJ/kg 45
87
Embodied Water, L/kg 150
230

Common Calculations

PREN (Pitting Resistance) 19
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
150
Resilience: Unit (Modulus of Resilience), kJ/m3 390
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 24
18
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 16 to 18
24 to 26
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 59.1 to 65.4
32.7 to 41.9
Manganese (Mn), % 7.0 to 9.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 8.0 to 9.0
28 to 30
Nitrogen (N), % 0.080 to 0.18
0.15 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025