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Rubber Mold Steels NAK80 Unique Characteristics: Super clean, Vacuum-Arc Remelt manufacturing process. 40 HRc hardness. Age-hardened for uniformity of hardness throughout, even in heavy sections. When welded, NAK leaves no witness lines after re-aging. Uniform grain structure with no pin holes, inclusions or hard spots. Machines up to 20% faster than 30 HRc P20 mold steels. Never needs stress relieving, even after heavy machining. Polishes to a superior No. 1 finish, even over welded areas. All technical and engineering data and suggested procedures, specifications and applications contained in this publication are for general information only. Daido Steel, International Mold Steel and/or their distributors disclaim any and all express or implied warranties of merchantability, suitability for any particular purpose or use, or freedom from infringement of any patent, trademark or copyright. NAK80® is a registered trademark of International Mold Steel, Inc. and Daido Steel Limited.

NAK80 Products Recommended Reading Unique Characteristics Benefits Typical Chemistry Mechanical Properties Physical Properties General Design Guidelines Processing Guidelines Welding Guidelines