PREMIUM 1.4021
AISI / SAE 420



Technical datasheet (PDF) Technical datasheet
€co-Präz® 500 €co-Präz
500 mm  
Steel Guide Information in the STEEL GUIDE
Alternatives in the STEEL GUIDE
Precision round steel without machining allowance PRS
  1.000 mm
Standard values to PREMIUM 1.4301 Standard values
Chemical designation: X20Cr13
Working hardness: approx. 25 HRC (delivery condition) up to 47 HRC
hardness (deliv. cond.): max. 252 HB

Chemical composition

C Si Mn P S Cr
0,16 0 0 0 0 12,0
- - - - - -
0,25 1,0 1,5 0,04 0,015 14,0
Technical properties Technical properties
Martensitic chromium steel with good mechanical properties (tempered condition). With the ability to polish this material to a high gloss finish it is ideally suited as knife steel. Good forgeability, medium weldability and is conditionally acid resistant.
Applications Applications
The Corrosion Resistant Steel AISI / SAE 420 is suitable for the following applications: Automotive industry, power engineering, turbine and power plant construction, medical technology, mechanical engineering, petrochemical industry, cutting tool industry, knives, fasteners, architecture and decoration.

The Corrosion Resistant Steel AISI / SAE 420 is available as €co-Präz® and as Precision round steel without machining allowance.

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