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Milling inserts and grades for stainless steel

Find the right insert grade for your stainless steel milling operation among our PVD- and CVD-coated carbide grades and cermets for all machining conditions.

GC1040

A tough PVD-coated grade with thin coating for roughing to finishing in unstable to stable conditions. GC1040 has a broad application area and can be easily applied in any milling appliaction.​ The grade provides secure performance in difficult materials and tough conditions.

Benefits and f​eatures

  • ​Great performance in both dry and wet machining
  • Good choice for complex tool paths and sticky materials
  • High security with long tool life

Made for Milling

You make the components that shape the things around us. We create precision tools that are purposely #MadeforMilling.

Learn more

Get started with stainless steel milling

The machinability of stainless steels differs depending on alloying elements, heat treatment, manufacturing process, whether the material is forged or casted, etc.

Milling - initial considerations

Milling has evolved into a machining method with a very broad range of operations. Configurations have to be carefully considered before milling.

Customer case: Turbo cutter

Sandvik Coromant M612 is a dedicated face milling cutter designed to tackle the challenging roughing operations on turbo exhaust housings.

Find your grade

Our stainless steel insert grade assortment consists of CVD- and PVD-coated cemented carbide grades and cermets for various machining conditions. Use the information below to find the right grade for your production.

Stable conditions
Unstable conditions
  Low heat

(Small cutters
and/or low vc, ae)

High heat

(Large cutters
and/or high vc, ae)

​​

GC1040

Tough, thin-coated PVD grade for finishing to roughing in unstable to stable wet or dry conditions. Good choice for complex tool paths and sticky materials.

CoroMill® 24​5: Multipurpose face milling cutters for mixed production.

CoroMill® 300: Face and profile milling cutters for roughing to semi-finishing in stable conditions.

CoroMill® 390: Versatile shoulder milling and ramping cutters for mixed production.

CoroMill® 490: The first choice for general and repeated shoulder milling.

CoroMill® QD: Deep, narrow grooving and parting-off.

See complete assortment

GC2040

Tough, medium-thick coated CVD grade designed for tough and demanding, medium to rough milling applications with poor stability in dry conditions. High feed rates, large diameters and radial engagements.

CoroMill® 210: High feed face and plunge milling.

CoroMill® 245: Multipurpose face milling cutters for mixed production.

CoroMill® 300: Face and profile milling cutters for roughing to semi-finishing in stable conditions.

CoroMill® 331: High-quality grooving and parting-off.

CoroMill® 390: Versatile shoulder milling and ramping cutters for mixed production.

See complete asso​rtment

S30T

​Medium hard, thin-coated PVD grade to be used as a complement to GC1040 when stability is good and for demands on high cutting speed in wet and dry conditions.

CoroMill® 210: High feed face and plunge milling.

CoroMill® 245: Multipurpose face milling cutters for mixed production.

CoroMill® 300: Face and profile milling cutters for roughing to semi-finishing in stable conditions.

CoroMill® 390: Versatile shoulder milling and ramping cutters for mixed production.

CoroMill® QD: Deep, narrow grooving and parting-off.

See complete assortment

GC2030

Medium-hard, thin coated PVD grade for light roughing to finishing. Complement to GC1040 in good stability, for high cutting speeds in dry conditions.​

CoroMill® 245: Multipurpose face milling cutters for mixed production.

CoroMill® 300: Face and profile milling cutters for roughing to semi-finishing in stable conditions.

CoroMill® 331: High-quality grooving and parting-off.

CoroMill® 390: Versatile shoulder milling and ramping cutters for mixed production.

See complete assortment

Complementary grades

M30B

Tough, thin-coated CVD grade for turbine blade machining under toughness-demanding conditions at high cutting speeds. Can be used in both wet and dry conditions.

View complete ​assortment

S40T

​Very tough, medium-thick-coated CVD grade designed for toughness-demanding medium to rough milling applications with poor stability. Can be used in both dry and wet conditions.

View complete ​assortment

GC1130

​Hard, thin-coated PVD grade with Zertivo™​ technology for use as a complement to GC1040 with good stability and demands for high cutting speed. Can be used in both dry and wet conditions. Good choice for mixed ISO M/ISO ​P material production.

View complete ​assortment

CT530

Medium hard, uncoated cermet grade for finishing applications at high cutting speeds in dry conditions.

View complete ​assortment

GC1030

​Hard, thin-coated PVD grade to be used as complement to GC1040 with good stability and demands for high cutting speed. Can be used in both dry and wet conditions.

View complete ​assortment

GC1010

​Very hard, thin-coated PVD grade for finishing in stable conditions for wet and dry machining.

View complete ​assortment

GC4230

​Medium hard, medium-thick-coated CVD grade for medium to rough milling of martensitic stainless steels at elevated cutting speeds in average and dry conditions.

View complete ​assortment

GC4240

​Tough, medium-thick-coated CVD grade for tough and demanding, medium to rough milling applications of martensitic stainless steels in dry conditions.

View complete ​assortment

Highlights

The secret behind GC1130

Zertivo™ technology amplifies the unique benefits of each grade, resulting in long tool life and secure machining.

A tale of two tusks

When Spike the elephant broke his tusks, the keepers at Calgary Zoo got a little innovative dental help from their friends.

Struggling to find the right tool?

Let CoroPlus™ ToolGuide help you get quick and accurate tool recommendations – on all your devices!

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