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EN 1.4613 Stainless Steel vs. S21800 Stainless Steel

Both EN 1.4613 stainless steel and S21800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4613 stainless steel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
40
Fatigue Strength, MPa 180
330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 330
510
Tensile Strength: Ultimate (UTS), MPa 530
740
Tensile Strength: Yield (Proof), MPa 280
390

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 550
410
Maximum Temperature: Mechanical, °C 1050
900
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1390
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 38
45
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 24
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
250
Resilience: Unit (Modulus of Resilience), kJ/m3 190
390
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 22 to 25
16 to 18
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 70.3 to 77.8
59.1 to 65.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.050
0 to 0.060
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0