Coated Carbide Insert resists wear and chipping.

Press Release Summary:




ISO Classified as K20 grade, AC420K performs in cast iron roughing applications involving medium to heavy interruptions. Black CVD-coated grade has layers of TiCN for wear and chip resistance as well as Al2O3 layers for heat resistance. In addition, flat surface of Super FF coating provides chip adhesion resistance.



Original Press Release:



Coated Carbide Turning Grade AC420K for Cast Iron Roughing - New from Sumitomo



Mount Prospect, IL - Sumitomo Electric Carbide, Inc. announces the latest addition to its coated carbide grade lineup - insert grade AC420K.

ISO classified as a K20 grade, the AC420K performs exceptionally in cast iron roughing applications involving medium to heavy interruptions. The AC420K is a new black Sumitomo Super FF (Fine and Flat) CVD coated grade. Its ultra-thick coating layers of TiCN for wear and chipping resistance, and Al2O3 layers for excellent wear and heat resistance drastically improve conventional cast iron grade tool life. Additionally, the flat surface of the Super FF coating provides excellent chip adhesion resistance.

Along with the AC420K, Sumitomo added the EGZ chipbreaker to its product lineup. The EGZ is a groove style chipbreaker that is ideal for medium- to light-roughing depth of cut (0.070"-0.200") applications with a feed rate range of 0.004-0.020 IPR.

For more information, contact Sumitomo Electric Carbide, Inc., 1001 Business Center Drive, Mount Prospect, IL 60056, Phone: (800) 950-5202, Fax: (847) 635-9335, e-mail: info@sumicarbide.com, or visit the Sumitomo Web site at sumicarbide.com

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