MakeItFrom.com
Menu (ESC)

AISI 422 Stainless Steel vs. EN 1.4424 Stainless Steel

Both AISI 422 stainless steel and EN 1.4424 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 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 AISI 422 stainless steel and the bottom bar is EN 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
28
Fatigue Strength, MPa 410 to 500
350 to 370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 560 to 660
520
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
800
Tensile Strength: Yield (Proof), MPa 670 to 870
480 to 500

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
420
Maximum Temperature: Mechanical, °C 650
960
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1470
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
13
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 17
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
580 to 640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
29
Strength to Weight: Bending, points 26 to 30
25
Thermal Diffusivity, mm2/s 6.4
3.5
Thermal Shock Resistance, points 33 to 39
23

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.030
Chromium (Cr), % 11 to 12.5
18 to 19
Iron (Fe), % 81.9 to 85.8
68.6 to 72.4
Manganese (Mn), % 0.5 to 1.0
1.2 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
2.5 to 3.0
Nickel (Ni), % 0.5 to 1.0
4.5 to 5.2
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
1.4 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0