Martensite Grade JIS SUS420J1 Hot Rolled Stainless Steel Coil Sheet Plate

AISI 420 - DIN X20Cr13 - EN 1.4021 - JIS SUS420J1 is a chrome-alloyed heat treatable steel with

medium carbon content which is rust proof.

1.4021 has a good corrosion resistance because of its chrome content in moderate aggressive,

non chloric substances like soap, solvents and organic acid.

This material shows its highest corrosion resistance with fine grinded and polished surface.

The machinability of 1.4021 is comparable with alloyed heat treatable steels and causes no significant difficulties.

Chemical composition ( weight % )

AISI 420 - X20Cr13 - 1.4021 - SUS420J1 can be hardened by holding the temperature between

950°C and 1050° C with a subsequent cooling in air, oil or polymer. The strength of 1.4021 depends

on the tempering temperature.

X20Cr13 is usually divided in two heat treatment conditions, QT700 and QT800.

This material is used in mechanical engineering and power engineering.

Product forms

Hot and cold rolled steel coil, strip, sheet and plate, precision strip, cut sheets

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