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EN 1.4122 Stainless Steel vs. S21603 Stainless Steel

Both EN 1.4122 stainless steel and S21603 stainless steel are iron alloys. They have 82% 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 EN 1.4122 stainless steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
45
Fatigue Strength, MPa 260 to 360
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 480 to 520
490
Tensile Strength: Ultimate (UTS), MPa 790 to 850
690
Tensile Strength: Yield (Proof), MPa 450 to 630
390

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
420
Maximum Temperature: Mechanical, °C 870
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.6
Embodied Energy, MJ/kg 33
50
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
270
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
25
Strength to Weight: Bending, points 25 to 26
22
Thermal Shock Resistance, points 28 to 30
15

Alloy Composition

Carbon (C), % 0.33 to 0.45
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
17.5 to 22
Iron (Fe), % 77.2 to 83.4
57.6 to 67.8
Manganese (Mn), % 0 to 1.5
7.5 to 9.0
Molybdenum (Mo), % 0.8 to 1.3
2.0 to 3.0
Nickel (Ni), % 0 to 1.0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030