Introduction of grade information  :

Grade 

Coated color 

Description

Class P Turning Grade (Steel)

YC330

Black   

The combination of high wear resistance substrate with (MT-TiCN+thick AL2O3 +TiN )coating is suitable for finishing machining of steel at high speed.

YC331

Black   

The combination of high strength and high toughness  substrate with (MT-TiCN+thick AL2O3 + TiN )coating is the general brand of steel processing

YC332

Black   

High-strength and plastic-resistant substrate combined with( MT-TiCN+thick AL2O3 + TiN )coating,  has good toughness and resistance to plastic deformation. It is suitable for light rough machining and rough machining of steel parts.

YC333

Yellow  

The combination of high strength and high toughness  substrate with (MT-TiCN+thick AL2O3 + TiN )coating is the general brand of steel processing

Class M Turning Grade (Stainless steel ,and alloy metal)

YP730

Black 

High toughness substrate with TiAlN coating of ultrafine grain size are suitable for light and medium load milling of all kinds of processed materials as well as finishing and semi finishing of stainless steel and high temperature alloy.

YP731

Black purple

The high toughness substrate with TiAlSIN coating of ultrafine grain size ,are universal and suitable for the processing of stainless steel and high temperature alloy.