Coated cutting tool

USRE49475E1 · kind E1 · reissue

Assignee

• Sandvik Intellectual Property AB · SE

Inventor

• Carl Bjormander · Spånga, SE

Key dates

• Filing date: Apr 30, 2020
• Grant date: Mar 28, 2023
• Expiry date: Apr 30, 2040

Classification

• Technology area (CPC —): General

Abstract

A coated cutting tool having a substrate and a surface coating, wherein the coating includes a Ti(C,N) layer of at least one columnar fine-grained MTCVD Ti(C,N) layer with an average grain width of 0.05-0.2 μm and an atomic ratio of carbon to the sum of carbon and nitrogen (C/(C+N)) contained in the MTCVD Ti(C,N) layer is in average 0.50-0.65.