Also known as:
X20Cr13 · 420 · 1.4021
Material no.: 1.4021
Product forms
Typical uses
Knives, shafts, valves, pump parts and stainless items that need hardening.
1.4021 / X20Cr13 stainless steel
1.4021 (X20Cr13, AISI 420) is a hardenable martensitic stainless steel.