1.4021 Datasheet
X20Cr13
stainless steel; corrosion resistant steel; martensite
Aerospace, Energy & environmental technology, Medical & pharmaceutical technology, Vehicle construction & e-mobility
The material 1.4021 is a martensitic chromium steel with good mechanical properties. Thanks to its mirror polishability, this material is ideally suited as a knife steel.
Composition
Standards and designations
Fields of application
Automotive industry
Power engineering
Turbine construction, power plant construction
Medical technology, pharmaceuticals
Mechanical engineering
Chemistry, petrochemistry
Cutting industry
Fasteners
Architecture & Decoration
Attributes
Physical properties at 20° C
Thermal treatment
1.4021 is only moderately weldable even with filler metal; additional heat treatment is recommended.
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