MITSUBISHI MATERIALS CORPORATION
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 COATING TECHNOLOGY

Miracle 40 Coating
High performance coated tools tailored to machining low-hardness materials.
The miracle coated tool series exhibits excellent cutting performance when machining high-hardness material. Low-hardness carbon steel tends to increase abrasion of tools in comparison with quenched steel. There are a lot of needs for improvement of the service life of tools that are used for high-efficiency machining of carbon steel used for most machine parts.
Therefore, we developed Miracle 40 coated tools that ensure long life while cutting low-hardness materials.
Excellent anti-adhesion characteristics and smooth chip generation permit high-performance dry cutting as well.

Friction Coefficient against Ck55 (200HB) at the elevated temperature of 600°C
Friction Coefficient against Ck55 (200HB)