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a special post-coating treatment with extra advantages. Table 2 contains the comparative data for
general characteristics of the grades.
IC808 is a grade with tough submicron substrate and titanium aluminum nitride (TiAlN) PVD
coating, designed for milling die and mold materials such as hard alloy and carbon steels at
medium-to-high cutting speed. They are noted for excellent notch wear and built-up edge
resistance.
IC5100 – a tough substrate with a MT CVD and alpha aluminum oxide (Al O ) coating that is
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recommended for milling grey cast iron at high cutting speeds, providing excellent tool life.
IC810 – a PVD grade coated with aluminum titanium nitride (AlTiN) that produces high oxidation
resistance, enabling machining at high speed. A good choice for miling nodular and grey cast iron
at low to medium cutting speed under unstable conditions.
DT7150 – a carbide grade with a tough substrate that has a dual MT CVD and TiAlN PVD coating.
Features high wear and chipping resistance. Recommended for medium to high cutting speeds for
machining of cast iron and cast steel, especially with siliceous skin.
IC830 – a PVD TiAlN coated tough grade for milling alloy steel and stainless steel. Shows good
results for interrupted cut and heavy duty operations.
IC330 – a multi-purpose tough grade with titanium nitride (TiN)/titanium carbonitride (TiCN)
coating. Used for milling a wide range of die and mold materials, at low to medium
Milling Tools
cutting speed.
SUMO TEC carbide grades
The SUMO TEC grades feature a special post-coating treatment which provides substantially
improved life and better reliability. The new process enhances toughness and chipping resistance,
reduces friction and built-up edge, thus increasing tool life. The golden-colored flank facilitates
wear detection. The post-coating treatment has the effect of making the rake face even and uniform,
minimizing inner stresses and droplets in coating, which lead to smooth chip flow and extended
tool life. Yet at the same time the untreated flank continues to be rough enough for good contact
with base surfaces of tool pockets.

Table 2 Selected Carbide Grades for Indexable Inserts Intended
for Milling Die and Mold Materials
ISO Class Harder Carbide Grades Tougher
DIN/ISO 513 IC808 IC5100 IC810 DT7150 IC830 IC330
P P15-P30 P10-P25 P15-P30 P20-P50 P25-P50
M M20-M30 M20-M40 M30-M40
K K20-K40 K05-K20 K05-K25 K05-K25 K15-K40
H H20-H30
Coating PVD MT CVD PVD Combination PVD PVD
- First choice
Ferritic and martensitic s.s. (ISCAR material groups 12;13)

For more detailed information about the carbide grades and coating technology refer to ISCAR
catalogs, guides and technical leaflets.

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