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TTC PRODUCTION • Technical Turning
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Carbide Turning inserT grade informaTion

CARBIDE GRADE APPLICATIONS: CERMET GRADE APPLICATIONS:
GRADE C2 GRADE CT20
Uncoated grade mainly designed for the machining of cast iron materials at General cutting for turning. Finishing for milling.
medium speed. Suitable also for hardened steel, non-ferrous metals, plastic, Density (g/cm3), 7.1. hardness (HRA) 92.8. TRS (kg/mm2) 170.
rubber and wood. (Range of application ISO K20-K30) Cutting conditions (Steel):
GRADE C6 V = 50m/min. ~ 200m/min.
Uncoated grade developed for turning. Recommended for general use at F = +.05mm/rev. ~ -.40mm/rev.
moderate speed in steels, alloyed steels, malleable cast iron with long chips. B TYPE CHIPBREAKER
Might be used for light milling of mild steel. (Range of application ISO P20-P30) General purpose (light to medium cutting) with strong cutting edges.
GRADE TiC-65 (C5-C6) COATED Double sided chipbreaker with excellent chip control. Exclusively used for
Coated turning grade TiC-TiN, total coating thickness approximately 0.00025" cermet inserts.
on a tougher wear resistant substrate. Recommended for general use at KA TYPE CHIPBREAKER
moderate speed in carbon steel, tool steels, alloyed steels, cast steels, Light cutting for finishing. Excellent surface finish. Double sided chipbreaker
stainless steels. (Range of application ISO P20-P40/M25-M40) with excellent chip control.
GRADE KT150 (C2-C3/C7) TRIPLE COATED NO CHIPBREAKER
Triple coated turning grade, TiC-Al2O3-TiN, total coating thickness Single sided.
approximately 0.0004" on a highly wear resistant substrate. Recommended for
finishing and light roughing of steel, steel castings and cast iron at high speed
with low to medium feed rates. High wear resistance and good resistance to CERAMIC GRADE APPLICATIONS:
plastic deformation because of the alumina thermal barrier. For application with GRADE AW20
high demand on productivity. (Range of application ISO P05-P20/K05-K20) Composition Al2O3 - A hot isostatically pressed alumina material
GRADE KT300 (white ceramic) mainly applicable for roughing & finishing cast iron & steel in
Titanium nitride coating, gold color for carbon steels, tool steels, alloy steels, higher surface speed operations. This new process produces inserts that are
steel casting, malleable cast iron, austenitic and martensitic stainless steel, finer grained, denser, harder, have higher transverse rupture & impact
free-cutting steels. strengths, are less apt to chip or crack under mechanical or thermal shock &
are excellent in wear & crater resistance.
GRADE AB30
COATED CHIPBREAKER GRADES (NOT TRIPLE COATED): Composition Al2O3 - Our standard black ceramic is a composite with an
KT110 (K05 - K15) alumina matrix containing titanium carbide with excellent wear, crater &
Specially designed high wear resistant substrate. Thick layer of ceramic strength characteristics.
coating. Fine grain of ceramic coating. Excellent wear resistance. Reduced
chipping. High speed cutting of cast iron and steel. Longer tool life.
Stable cutting. Cost saving. Improved productivity. CHIPBREAKER GRADE COMPARISON GUIDE:
KT150 (K05 - K20) (P05 - P20) GRADE KENNAMETAL SANDVIK SECO SUMITOMO
Coated with excellent alumina and TiN heat resistant coating on a highly wear KT110 KC910, KC9010 GC3015 TP05, TP100 AC05, AC105, AC110
resistant substrate. For medium to high speed turning of steel and cast iron. KT150 KC990 GC4015 TP10 AC05A
KT210 (K10 - K30) KT210 KC950 GC4025 TP20 AC105, AC110G
Coated with multi-layer alumina and TiN on a tough, highly wear resistant KT250 KC9025, KC950 GC4025 TP15, TP25 AC108, AC2000
substrate. For general turning and interrupted cutting of cast iron. KT350 KC935 GC4035 TP30 AC15
KT250 (P10 - P30) KT450 KC850, KC9040 GC235 TP40 AC25
A good combination of high toughness substrate and excellent wear & heat
resistant alumina and TiN coating. For general turning of steels under medium
cutting conditions.
KT350 (P20 - P40) (M10-M30) CHIPBREAKER & GRADE GUIDE:
Improved edge strength with combination of high toughness substrate and APPLICATION CHIPBREAKER COATED GRADE (MATERIAL)
TiCN base multi-coated layer. For turning of steels and stainless steel at Finishing 33 KT110 (Cast Iron & Steel)
medium to heavy cutting conditions. Finishing to Medium Cutting 44 KT150 (Cast Iron & Steel)
KT450 (P25 - P45) (M20-M40) Medium Cutting 55 KT210 (Cast Iron), KT250 (Steel)
High toughness grade with combination of multi-coated TiN and specially Medium Cutting to Roughing MH KT350 (Steel, Stainless Steel)
designed substrate. For ro ughing or interrupted cutting of steels. Heavy Roughing KH KT450 (Steel, Stainless Steel)

Choosing inserT shape