Sandvik Intellectual Property Ab

Sandvik Ab

Hèléne Ouchterlony

Alistair Grearson

Gary McCarthy

Stephen Foster

The present invention relates to a cemented carbide body with the following composition: Co: 10-12 wt-%, TaC: &#x3c;3 wt-%, NbC: 1-5.5 wt-%, TiC: 3-5 wt-% and as rest WC. The cemented carbide body is particularly useful for metal cutting operations requiring high wear resistance, high edge retention and high edge toughness.

Cemented carbide body

A cemented carbide drill/endmill blank and method of manufacture thereof wherein the drill/endmill includes a core and a surrounding tube with improved technological properties. The difference in Co-content between the core and tube is 1-10 wt-% units and the cubic carbide content is 8-20 wt-% in the tube and 0.5-2 wt-% in the core.

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Ingarö, Sweden

Hèléne Ouchterlony