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EN 1.4062 Stainless Steel vs. AISI 422 Stainless Steel

Both EN 1.4062 stainless steel and AISI 422 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4062 stainless steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 34
15 to 17
Fatigue Strength, MPa 410 to 420
410 to 500
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 510
560 to 660
Tensile Strength: Ultimate (UTS), MPa 770 to 800
910 to 1080
Tensile Strength: Yield (Proof), MPa 530 to 600
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 440
380
Maximum Temperature: Mechanical, °C 1030
650
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1380
1470
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 37
44
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 27
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170 to 230
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 910
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 29
32 to 38
Strength to Weight: Bending, points 24 to 25
26 to 30
Thermal Diffusivity, mm2/s 4.0
6.4
Thermal Shock Resistance, points 21 to 22
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.25
Chromium (Cr), % 21.5 to 24
11 to 12.5
Iron (Fe), % 69.3 to 77.3
81.9 to 85.8
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.45
0.9 to 1.3
Nickel (Ni), % 1.0 to 2.9
0.5 to 1.0
Nitrogen (N), % 0.16 to 0.28
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3