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Steel turning grade is designed for high-feed roughing
- December 26, 2023
- Product Release
- Cutting Tools
Sandvik Coromant has introduced the GC4405 grade for turning steel operations with high metal removal rates in stable conditions, particularly in harder steels. The option to machine dry in softer steels also offers opportunities for more sustainable machining.
According to the manufacturer, the grade should be applied as a high-feed productivity optimizer with high metal removal rates in stable conditions with demanding plastic deformation properties.
The grade is a new carbide substrate with an optimized microstructure, which reduces plastic deformation in high-feed applications. The substantial increase in plastic deformation resistance enables it to be used in harder steels and higher productivity compared to the company’s existing GC4305 grade.
It is coated with the second-generation Inveio technology coating, which is designed specifically to combat crater wear. The alumina coating aligns the crystals vertically toward the top surface to improve wear resistance.
It is recommended for continuous roughing to semi-finishing in stable conditions and in applications where the insert spends a long time in the cut. It is suitable for high-feed machining with medium, roughing, or wiper geometries in harder steels above 300 HB, and for high-feed and high-speed machining in softer steels below 300 HB.
The grade should be applied in ISO application area P05 (P01–P10). It is optimized for P2.5 low-alloy hardened steel but also recommended for high-productivity applications in low-alloy P2.1 and unalloyed P1.2 steel.
Sandvik Coromant | www.sandvik.coromant.com
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