Turning stainless steel with Safety
New cutting material type 8625 for turning stainless steel comes from France
The new high performance turning grade has an extremely tough MT-CVD coating (Medium Temperature Chemical Vapour Deposition) with high coating adhesion. The newly developed, fine grained high cobaltsubstrate withstands even higher temperatures resisting plastic deformation and preventing early formation of built-up edges. Due to the coatings alternating multiple layers of titanium carbonitride (TiCN - for abrasive wear resistance) and aluminium oxide (Al2O3 - for high temperature resistance) and a gold coloured surface layer of titanium nitride (TiN) on the rake face, edge chipping and damage are reduced. The manufacturer claims that the tool life of these coated inserts is considerably increased.
"Our new 8625 cutting material is a highly efficient and reliable solution for turning stainless steels," says Holger Rabe, managing director of Safety Germany, "with it we can cover 80 per cent of potential applications." Depending on the cutting geometry it is also extremely well suited to everything from light pre-finishing to roughing even with a continuous cut. As application tests at Safety's CEROC laboratory (Centre d'Etudes et de Recherche sur les Outils Coupants) in Fondettes, France have shown, the new grade is the material of choice for high cutting speeds (vc up to 240 m/min).
After the EMO, turning inserts in 8625 quality will be available from stock. The application area M25 is optimised for stainless steel (austenitic, ferritic, PH & Duplex), however low-carbon steels and alloys with a nickel or cobalt base can also be easily machined. Inserts are available in many commonly required sizes in both positive (PM4, PM5) and negative geometries (F5, M4, M5, M7, 5G) as well as KNUX shape inserts.
Caption: When turning stainless steel 8625 promises long tool life and extremely high cutting speeds combined with reliable machining and toughness. The new 8625 turning material from Safety in M25 quality is available in over 100 different ISO insert combinations.
Caption: Longer tool life, reliable machining and higher productivity: The multilayer, fine grain layers of the new 8624 turning material are extremely tough, temperature resistant and have a high layer of adhesion. The multilayered structure inhibits formation of hairline cracks.
Safety, Rodgau: Comprehensive tool solutions - competent, flexible and fast
Safety, established in France in 1932, is an international manufacturer of precision tools for the metal cutting industry. The traditional company that employs about 500 employees all over the globe counts many famous names from the fields of Automotive, Aerospace, Die & Mould and Energy among its customers. Based on its own quality tools, activities focus on technical support and comprehensive tool solutions in standard and specialized fields: Together with Safety's specialists, users can quickly and flexibly optimize their production processes, increase productivity and reduce costs. In Germany, Safety is present with a sales office in Rodgau. www.safety-cuttingtools.com
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