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S21800 Stainless Steel vs. EN 1.4513 Stainless Steel

Both S21800 stainless steel and EN 1.4513 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 S21800 stainless steel and the bottom bar is EN 1.4513 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 40
26
Fatigue Strength, MPa 330
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 510
310
Tensile Strength: Ultimate (UTS), MPa 740
480
Tensile Strength: Yield (Proof), MPa 390
240

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 900
880
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.5
Embodied Energy, MJ/kg 45
35
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
100
Resilience: Unit (Modulus of Resilience), kJ/m3 390
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 24
18
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.025
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 59.1 to 65.4
77.7 to 83.1
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.4
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0 to 0.020
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8