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EN 1.4401 Stainless Steel vs. EN 1.4922 Stainless Steel

Both EN 1.4401 stainless steel and EN 1.4922 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is EN 1.4922 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
16
Fatigue Strength, MPa 200 to 320
330
Impact Strength: V-Notched Charpy, J 91 to 94
38
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 410 to 550
470
Tensile Strength: Ultimate (UTS), MPa 600 to 900
770
Tensile Strength: Yield (Proof), MPa 230 to 570
550

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 950
720
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
2.8
Embodied Energy, MJ/kg 52
40
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 26
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
27
Strength to Weight: Bending, points 20 to 26
24
Thermal Diffusivity, mm2/s 4.0
6.5
Thermal Shock Resistance, points 13 to 20
27

Alloy Composition

Carbon (C), % 0 to 0.070
0.17 to 0.23
Chromium (Cr), % 16.5 to 18.5
10 to 12.5
Iron (Fe), % 62.8 to 71.5
83.5 to 88.2
Manganese (Mn), % 0 to 2.0
0.3 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0.8 to 1.2
Nickel (Ni), % 10 to 13
0.3 to 0.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0.2 to 0.35