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S21800 Stainless Steel vs. EN 1.4913 Stainless Steel

Both S21800 stainless steel and EN 1.4913 stainless steel are iron alloys. They have 74% 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 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 40
14 to 22
Fatigue Strength, MPa 330
320 to 480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
75
Shear Strength, MPa 510
550 to 590
Tensile Strength: Ultimate (UTS), MPa 740
870 to 980
Tensile Strength: Yield (Proof), MPa 390
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 900
700
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.0
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.9
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 150
97

Common Calculations

PREN (Pitting Resistance) 19
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 390
600 to 1860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 27
31 to 35
Strength to Weight: Bending, points 24
26 to 28
Thermal Shock Resistance, points 17
31 to 34

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0 to 0.1
0.17 to 0.23
Chromium (Cr), % 16 to 18
10 to 11.5
Iron (Fe), % 59.1 to 65.4
84.5 to 88.3
Manganese (Mn), % 7.0 to 9.0
0.4 to 0.9
Molybdenum (Mo), % 0
0.5 to 0.8
Nickel (Ni), % 8.0 to 9.0
0.2 to 0.6
Niobium (Nb), % 0
0.25 to 0.55
Nitrogen (N), % 0.080 to 0.18
0.050 to 0.1
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 3.5 to 4.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.1 to 0.3