Kennametal Grade System for Cutting Materials

1 A28 Kennametal Grade System for Cutting MaterialsGrade Selection TableTURNING INSERTSTURNING HOLDERSBORING HEADSBORING BARSTOOLHOLDERSSCREW-ONKENDEXKENLOCCARTR IDGESTypeGradeCoatingComposition and Application05 Standard designationWear resistanceToughnessArea of use10 15 20 254530 35 40 Uncoated Carbide GradesC3 C4 PMKNSHK313composition:A hard, low binder content, unalloyed WC/Co fine-grained :Exceptional edge wear resistance combined with very highstrength for machining titanium, cast irons, austenitic stainless steels,non-ferrous metals, nonmetals, and most high-temperature thermal deformation and depth of cut notch resistance. The grain structure is well controlled for minimal pits and flaws, whichcontributes to long, reliable :A hard, low binder content, unalloyed Grade WC/Co fine-grained :The K68 Grade has excellent abrasion resistance formachining cast irons, austenitic stainless steels, non-ferrous metals,nonmetals and as an alternative to the K313 Grade on most high-temperature alloys.

2 Use as a general purpose Grade for Carbide GradesKC5010 improved C3, C4composition:An advanced PVD TiAlN coating over a very deformation-resistant unalloyed carbide substrate. KC5010 s new and improved coa-ting allows for speeds to be increased by 50 to 100%.application:The KC5010 Grade is ideal for finishing to generalmachining of most workpiece Materials at higher speeds. Excellent formachining most steels, stainless steels, cast irons, non-ferrous materialsand super alloys under stable conditions. It also performs wellmachining hardened and short chipping C4composition:A PVD TiB2 coating over a very deformation-resistantunalloyed :The KC5410 Grade is designed for roughing,semifinishing and finishing of free machining (hypoeutectic < ) aluminum, aluminum alloys and magnesium alloys.

3 The TiB2coating is harder than TiN and TiAlN coatings and has an extremelysmooth surface, resulting in reduced surface friction, speedy chipflow and outstanding wear resistance. In addition, built-up edge isprevented because this coating has a very low affinity for substrate is unalloyed and fine grained and offers sharp edges ,smooth surfaces, and excellent thermal deformation resistance andedge integrity. Inserts with a ground periphery are polished beforecoating and have a sharp edge. Molded inserts have a light hone. KC5410 PMKNSHKC5025 improved C2, C6composition:An advanced PVD TiAlN coated Grade with a tough,ultra-fine grain unalloyed :For general purpose machining of most steels, stainlesssteels, high-temperature alloys, titanium, irons, and non-ferrousmaterials.

4 Speeds may vary from low to medium, and will handleinterruptions and high feed rates. PMKNSHKC5525C2 C6composition:Advanced PVD TiAlN coated fine-grained high cobaltcarbide : Grade KC5525 utilizes the same advanced PVD coating asgrade KC5510 in conjunction with a fine-grained tungsten carbide 10%cobalt substrate. The higher cobalt provides for added security ininterrupted cuts while the fine grained WC maintains hardness-resisting deformation at higher speeds. Designed for medium to heavyinterruptions in high-temperature , C4composition:An advanced PVD coating over a highly deformation-resistant carbide :KU10T is an ideal general machining Grade designed formedium to finishing operations. KU10T is excellent when machiningmost steels, stainless steels, cast irons, non-ferrous Materials , andsuperalloys under stable conditions.

5 KU10T is also effective whenmachining hardened and short-chipping C4composition:An advanced PVD TiAlN coated fine-grained tungstencarbide : Grade KC5510 is specifically engineered for the productivemachining of high-temperature alloys. The fine-grained tungstencarbide 6% cobalt substrate has excellent toughness and deformationresistance while the advanced PVD coating allows for metal cuttingspeeds double those of conventional PVD-coated Cutting tools. Kennametal Grade System for Cutting MaterialsGrade Selection TableA29 TURNING HOLDERSTURNING INSERTSBORING HEADSBORING BARSTOOLHOLDERSSCREW-ONKENDEXKENLOCCARTR IDGESTypeGradeCoatingComposition and Application05 Standard designationWear resistanceToughnessArea of use10 15 20 254530 35 40 PMKNSHKC9040C5 C6composition: An alumina-coated Grade with a tough : For heavy roughing applications on all types of steels, stainless steels, and most other Materials when tool edge strength iscritical.

6 A specially designed coating preparation assures prolongedtool life. Apply with confidence on tough Carbide GradesPVD-Coated Carbide GradesC-ClassPMKNSHKU25T C2, C6composition:An advanced PVD coating over a tough and highly wearresistant carbide :KU25T is ideal for finishing to general machining of mostworkpiece Materials . With a higher cobalt content than KU10T, thisgrade provides the toughness needed to handle the demands ofgrooving, threading and cut-off operations. KU25T performs extremelywell when machining most steels, stainless steels, cast irons, non-ferrous Materials , and superalloys under stable conditions. KU25T can also be effectively applied when machining hardened and short-chipping C3, C5 C7 PMKNSHKC8050composition:A newly developed, advanced cobalt-enriched carbidegrade with a thick alumina :A versatile performer on a wide range of workpiecematerials (steels, stainless steels, and cast irons) for roughing throughfinishing operations.

7 This highly wear-resistant Grade can operate withor without coolant at high speeds, and has exceptional edge strengthfor interrupted cuts. The micro-finished insert edge resists workpiecebuild-up and microchipping, and produces excellent surface machining steels and cast irons, your first choices are the -RN and -MN geometries. For medium machining applications and finishingcuts, the -MP and -FP geometries with a positive rake are , C7composition:A specially engineered, patent-pending cobalt-enrichedcarbide Grade with thick K-MTCVD-TiCN coating layer, an Al2O3layerof controlled grain size, and outer layers of TiCN and TiN for maximumwear resistance. application:An excellent finishing to medium machining Grade for a variety of workpiece Materials including most steels, ferritic andmartensitic stainless steels, and cast irons.

8 The specially engineered,cobalt-enriched substrate offers a balanced combination ofdeformation resistance and edge toughness, while the thick coatinglayers offer outstanding abrasion resistance and crater wear resistancefor high-speed machining. The smooth coating provides goodresistance to edge build-up and microchipping and produces excellentsurface finishes. For rougher Cutting , use the KC9125 PMKNSHC2 C3 PMKNSHKC9225composition: A newly engineered, patent-pending, multi-layered K-MTCVD coated cobalt-enriched carbide : KC9225 Grade has been specially designed for resistingdepth-of-cut notching and minimizing burr formation often observedin the machining of austenitic stainless steels. Cobalt-enrichmentprovides an optimum combination of toughness and deformationresistance.

9 This new Grade s polished edge minimizes build-up andensures superior workpiece finishes. KC9225 inserts are your firstchoice for machining stainless C3, C6 C7composition:A tough cobalt-enriched carbide Grade with a newlydesigned multi-layer K-MTCVD TiCN-Al2O3-TiCN-TiN coating withsuperior interlayer adhesion. application:This is the industry s best general-purpose turning Grade formost steels, and ferritic and martensitic stainless steels. The substratedesign, with cobalt-enrichment, assures adequate deformationresistance along with excellent bulk toughness and insert edge coating layers offer good wear resistance over a wide range ofmachining conditions. The smoothness of the coating leads to reducedfrictional heat, minimizes microchipping, and improves workpiecesurface finishes.

10 The KC9125 Grade performs well in moderately heavyroughing to semi-finishing cuts. Use the KC9110 Grade for finishing cuts. KC9125 PMKNSHC5 C6KC9140 composition:A newly engineered, tough carbide Grade with anadvanced multi-layered TiN-MT-TiCN-Al2O3-TiN : For heavy roughing applications of alloy steels whereinsert edge strength is critical. A specially designed coating ensuresexcellent interlayer adhesion and long tool Grade System for Cutting MaterialsGrade Selection TableTURNING INSERTSTURNING HOLDERSBORING HEADSBORING BARSTOOLHOLDERSSCREW-ONKENDEXKENLOCCARTR IDGESTypeGradeCoatingComposition and Application05 Standard designationWear resistanceToughnessArea of use10 15 20 254530 35 40C-ClassCVD-Coated Carbide GradesCeramicsPMKNSHKC9240 improved C1 C2composition:A multi-layered CVD coating comprised of TiN-MT-TiCN-Al203-TiN coating over a tough, non-enriched carbide : This CVD coated Grade is designed for tough applicationsat moderate speeds and feeds.