Sverker 21

Sverker 21 is a tool steel manufactured by Uddeholms AB. It is primarily used for Cold Work applications such as blanking, piercing, cropping, bending, forming and cutting.

International standards comparison chart[1]
Grade nameAISI (USA)BS4659 (GB)W.-Nr. (Germany)SS (Sweden)JIS (Japan)
Sverker 21D2BD21.23792310SKD 11

Chemical composition
Grade nameCSiMnCrMoNiVS
Sverker 211.550.30.411.80.8-0.8-

Properties

Sverker 21 is characterized by high compressive strength, high surface hardness after hardening, good though-hardening properties and high wear resistance (abrasive type of wear profile). These characteristics combine to give a steel suitable for the manufacture of medium run tooling for applications where abrasive wear is dominant and the risk of chipping or cracking is not so high, e.g. for blanking and forming of thinner, harder work materials.

Application areas

It is a 12% chromium steel suitable for medium production volume tooling where the production materials cause abrasive wear and the risk of chipping is not so high.

Other Uddeholm Cold Work Steels

Arne, Caldie, Calmax, Rigor, Sleipner, Sverker 3, Unimax, Vanadis 4 Extra, Vanadis 6, Vanadis 10, Vanadis 23, Vancron 40, UHB 11, Formax, Holdax,

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References
  1. Pocket Book: The Uddeholm range of tooling materials, Third Edition, 03.2011
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