AISI 420 / 1.4021 Stainless Steel

Steel AISI 420 / EN 1.4021 / 20X13

Corrosion-resistant steel AISI 420 belongs to martensitic type alloys. Additionally, it undergoes heat treatment procedures to improve strength characteristics, and is characterized by increased wear resistance. The alloy is distinguished by good ductility, good impact strength, heat resistance, resistance to corrosion processes.

Features

The alloy is a mixture of ferrites and carbides. After heating to 1050–1060 °C, followed by a hardening procedure, martensite is formed, the strength and hardness of which depend on the mass content of carbon in the alloy. The chromium carbides included in the steel improve the strength parameters of the alloy, increase hardness and wear resistance.

AISI 420 heat-resistant steel, compared to the closest analogue AISI 410, contains a greater amount of carbon, which allows hardening procedures and improve wear resistance.

Applications

Buying AISI 420 steel is a must for any application that requires high demands on corrosion resistance and strength. Such alloys are used in the production of:

· cutting tools, measuring equipment;

· springs, carburetor needles, car pistons;

turbine elements;

boiler parts of all types;

steel fasteners, gaskets;

heat-resistant screens;

equipment for the food and medical industry and so on.

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Chemical composition of steel 1.4021

Mechanical properties of material 1.4021

AISI 420 / EN 1.4021 steel delivery forms

Wheel AISI 420 / EN 1.4021	Diameter: 6 – 500mm
Sheet AISI 420 / EN 1.4021	Thickness: 0.5 – 100mm
Pipe AISI 420 / EN 1.4021	– Hot-rolled round tube with diameter from 38 to 244.5 mm, thickness from 3 up to 25 mm – Cold-drawn round pipe with a diameter from 6 to 219.1 mm thickness from 0.9 to 14.2mm
AISI 420 hexagon / EN 1.4021	Diameter: 17-65mm
Strip AISI 420 / EN 1.4021	Thickness: 5 -50mm; Width: 50-250mm
Square AISI 420 / EN 1.4021	Size: 10-80mm