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Die Cast & Forging Steels DH21 Overview: DH21 is for aluminum die cast dies. Features: Hot Work Die Steel Excellent heat check resistance Excellent mechanical properties at high temperatures Excellent temper resistance Excellent oxidation resistance Excellent nitriding properties Primary Use DH21 was developed to extend the life of aluminum diecast molds Chemical Composition: www.daido.co.jp  IMPORTANT NOTE Please be advised that Daido Steel shall not be held responsible for damage caused by misunderstanding or improper use of the technical information contained in this brochure. The contents of this brochure may be subject to change without notice. Please inquire of related department for the latest information. No portion of this brochure may be reproduced without express permission of Daido steel.

DH21 Overview Hardness Mechanical Properties Resistance Nitriding Thermal Conductivity Testimonials Click here for a PDF of the DH21 brochure.