WB Carbide has 3 kinds of grades to work turning inserts for stainless steel.
WB25TS Grade turning inserts for stainless steel but also can work for steel and S material.PVD Coating.
P20-P30 for high cutting speed on carbon steel and alloy steel, high toughness cutting edge
M20-M40 for the stainless steep machine, high hardness milling grade
S20-S40 for low to medium speed milling on heat resistance alloy.
WB35TS Grade turning inserts for stainless steel, PVD Coating.
P15-P25, high-Speed machining of carbon steel and alloy steel, high wear resistance.
M15-M35 for stainless steel machining, high wear resistance, high oxidation resistance temperature.
WB30TS Grade turning inserts for stainless steel, CVD Coating
M05-M50 is only for stainless steel, it has more wear resistance.if only for high hardness of stainless steel material, we suggestion use this grade
