PREMIUM 1.4021

Delivery hardness max. 252 HB
Tensile strength (approx. on delivery) 850 N/mm2
Working hardness max. 47 HRC
Tensile strength (at max. working hardness) 1520 N/mm2
Working temperature20 up to 400°C
Wear resistance
Corrosion resistance

Technical properties:

AISI/SAE ~420: 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. Working hardness: approx. 25 HRC (delivery condition) up to 47 HRC.


AISI/SAE ~420: Automotive industry, power engineering, turbine and power plant construction, medical technology, mechanical engineering, petrochemical industry, cutting tool industry, knives, fasteners, architecture and decoration.

C 0,16 up to 0,25 Ni - up to -
Si - up to 1,0 V - up to -
Mn - up to 1,5 W - up to -
P - up to 0,04 Cu - up to -
S - up to 0,015 N - up to -
Cr 12,0 up to 14,0 Ti - up to -
Mo - up to - Co - up to -


<h3>€co-Präz</h3> 500 mm


500 mm
Online Shop

<h3>Precision round steel ISO h9</h3> 1.000 mm

Precision round steel ISO h9

1.000 mm
Online Shop






Devision of

ABRAMS Industries GmbH & Co. KG
Hannoversche Str. 38 / 46
49084 Osnabrück / Germany

T: +49 (0) 5 41/3 57 39 - 0
[email protected]

Located in: Osnabrück / Germany
County Court Osnabrück / Germany, HRA 6865
VAT-No.: DE 221940667

General Partner

ABRAMS Industries Verwaltungs GmbH
County Court Osnabrück / Germany, HRB 20019

Managing Director

Dipl.-Wi.-Ing. Dr. Jürgen Abrams


The contents of this application have been carefully compiled based on the best technology currently available.

Please note that the ABRAMS STEEL GUIDE provides an overview of general properties and uses and is therefore intended to facilitate the selection of materials. Not least of all due to the numerous application possibilities and their influencing factors, an express written agreement is required in every case in order to guarantee certain properties and values. A liability of any kind will otherwise be excluded. See also

ABRAMS Industries GmbH & Co. KG is the sole owner of all rights and contents of this application, unless otherwise indicated. Any further use of any content or results of use in other programs or in print or online media without written authorisation is prohibited. The contents of this application are subject to continuous development. In order to always be able to use the most up-to-date information, the user should inform oneself about any possible updates in the App Store. The contents of this application, whether it be part or the entirety, may be changed, supplemented or deleted without prior announcement. There is no obligation to publish the contents permanently.

©2013 / Patent No.: US 8,463,771 B2
Date of Patent: Jun. 11,2013

Design & Realisation:

ABRAMS Industries GmbH & Co. KG,

Realisation of the ABRAMS STEEL GUIDE application for web browser

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