
USER GUIDE
PARTING
ISCAR Parting Grades Chart
Grade ISO Grade Description Coating Layers Coating Color*
P15-P30
A tough submicron grain size substrate with PVD coating.
IC308 Suitable for steel, alloy steels and stainless steel at low to medium
cutting speeds under stable conditions.
S15-S30 TiCN
Base
P30-P45
M25-M40 A tough substrate with PVD coating, suitable for a wide range of
applications on steels and stainless steel at low to medium speeds
IC328 and medium to high feeds.
The grade is recommended for interrupted cuts and machining
under unstable conditions. TiCN
Base
P20-P40
M20-M30
A tough substrate with PVD coating, suitable for general use on
IC354 a wide range of carbon steels, alloy steels and stainless steel at
moderate speeds and feeds.
TiCN
Base
P10-P20
A hard submicron grain size substrate with PVD coating and a
M05-M15 special SUMOTEC surface treatment. Suitable for machining
K15-K30 steels, alloy steels, austenitic stainless steel, high temperature
IC807
alloys and hard steels at moderate to relatively high cutting TiN
S10-S20 speeds under stable conditions. Features high wear resistance TiAlN
and plastic deformation durability.
H05-H15 Base
P15-P30
PVD COATED
A tough submicron grain size substrate with PVD coating and a
M20-M30 special SUMOTEC surface treatment. Recommended for general
K20-K40 use for a large variety of applications and materials such as
IC808
steels, alloy steels, austenitic stainless steel and high temperature TiN
S15-S30 alloys at moderate cutting speeds and feeds. Features high wear TiAlN
resistance and chipping durability.
H20-H30 Base
P30-P45
A tough substrate with PVD coating and a special SUMOTEC
M25-M40 surface treatment. Suitable for machining steel and stainless
IC830 steel at low to medium cutting speeds and moderate to high
feeds. The grade features high toughness and recommended for TiN
interrupted cuts and machining under unstable conditions. May TiAlN
be used on high temperature alloys at low cutting speeds.
Base
P10-P20
A hard submicron grain size substrate with PVD coating, suitable
M05-M15 for a wide range of materials such as steels,
K15-K30 alloy steels, hard steels, austenitic stainless steel and heat
IC907
resistant alloys at moderate to relatively high cutting speeds under
S10-S20 stable conditions. Features high wear resistance and plastic TiAlN
deformation durability.
H05-H15 Base
P15-P30
M20-M30 A tough submicron grain size substrate with PVD coating,
K20-K40 recommended general use in a large variety of operations and
IC908 materials such as steels, alloy steels, austenitic stainless steel and
high temperature alloys at moderate cutting speeds.
S15-S30 Features high wear resistance and chipping durability. TiAlN
H20-H30 Base
P30-P45
M25-M40 A tough substrate with PVD coating, suitable for machining steel
IC928 and stainless steel at low to medium cutting speeds and moderate
to high feeds. The grade is recommended for interrupted cut and
machining at unstable conditions. AlTiCrN
Base
* For coated grades
546 ISCAR