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New turning grades for HRSA machining introduced

Posted on 14 Apr 2024 and read 573 times
New turning grades for HRSA machining introducedHalesowen-based Sandvik Coromant, a global metal cutting leader, has introduced two new PVD grades, GC1205 and GC1210. Both grades enable secure turning with high precision of aged nickel-based HRSA.

When turning aero-engine components, the surface requirements are high but no longer difficult to reach, thanks to the new grades GC1205 and GC1210. Together, they cover a large application area within last stage machining (LSM) and intermediate stage machining (ISM).

There are several key features that contribute to the high-level performance of HRSA materials. A hard, fine-grained new substrate, the latest PVD coating technology and optimised edge-line integrity provide increased flank wear and secondary notch wear resistance, superior edge-line security and reduced flaking.

Martin Saunders, global product application specialist for turning at Sandvik Coromant, said: “For our customers, this translates into possibilities to run the inserts at higher cutting speed with GC1205 and increased tool life with GC1210. Additionally, it ensures consistent and predictable tool life, while reaching the required surface integrity demands for critical aerospace components.”

Typical aero-engine components the grades can machine are gas turbine discs, casings, blisks, spools, shafts and blades. But these grades also prove a great choice in demanding applications such as power generation turbines and medical implants made of cobalt-chrome.

Mr Saunders continued: “We know the S05 and S15 application areas are extremely challenging and highly competitive. The release of these two new grades offers the opportunity to increase cutting data while also prolonging tool life predominantly in last stage machining and intermediate stage machining of aerospace and medical components.”

The grades complement each other thanks to a big overlap in the assortment. GC1205 is a finishing grade for machined surfaces in last stage machining and intermediate stage machining applications. GC1210 complements GC1205 when more toughness is required and is mainly used in intermediate stage machining applications for non-machined surfaces.

To learn more about the complete Sandvik Coromant range of turning grades, visit the website here.