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S21800 Stainless Steel vs. EN 1.5525 Steel

Both S21800 stainless steel and EN 1.5525 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 (7, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is EN 1.5525 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 40
11 to 21
Fatigue Strength, MPa 330
210 to 310
Poisson's Ratio 0.28
0.29
Reduction in Area, % 62
62 to 73
Shear Modulus, GPa 75
73
Shear Strength, MPa 510
310 to 350
Tensile Strength: Ultimate (UTS), MPa 740
440 to 1440
Tensile Strength: Yield (Proof), MPa 390
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.9
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
44 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 390
240 to 640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
16 to 51
Strength to Weight: Bending, points 24
16 to 36
Thermal Shock Resistance, points 17
13 to 42

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.1
0.18 to 0.23
Chromium (Cr), % 16 to 18
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.1 to 65.4
97.7 to 98.9
Manganese (Mn), % 7.0 to 9.0
0.9 to 1.2
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 3.5 to 4.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025