MakeItFrom.com
Menu (ESC)

S21800 Stainless Steel vs. EN 1.4122 Stainless Steel

Both S21800 stainless steel and EN 1.4122 stainless steel are iron alloys. They have 81% 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 1.4122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 40
14
Fatigue Strength, MPa 330
260 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 510
480 to 520
Tensile Strength: Ultimate (UTS), MPa 740
790 to 850
Tensile Strength: Yield (Proof), MPa 390
450 to 630

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 900
870
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.4
Embodied Energy, MJ/kg 45
33
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
93 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 390
520 to 1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 27
28 to 31
Strength to Weight: Bending, points 24
25 to 26
Thermal Shock Resistance, points 17
28 to 30

Alloy Composition

Carbon (C), % 0 to 0.1
0.33 to 0.45
Chromium (Cr), % 16 to 18
15.5 to 17.5
Iron (Fe), % 59.1 to 65.4
77.2 to 83.4
Manganese (Mn), % 7.0 to 9.0
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.3
Nickel (Ni), % 8.0 to 9.0
0 to 1.0
Nitrogen (N), % 0.080 to 0.18
0
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