Patent ID: 11904370
Assignee: CERATIZIT LUXEMBOURG S.A.R.L.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A drawing die tool, comprising:
a drawing die of cemented carbide material comprising tungsten carbide and a metallic binder;
the cemented carbide material containing:
tungsten carbide having a mean grain size of 0.15-1.3 μm;
cobalt (Co) and nickel (Ni), with 0.5-5.0 wt.-% (Co+Ni), and with a ratio Co/(Co+Ni) of 0.6-0.9;
0.1-1.0 wt.-% chromium (Cr), with 0.05<Cr/(Co+Ni)<0.22;
0.03-0.08 wt.-% wt.-% molybdenum (Mo); and
0-0.04 wt.-% vanadium (V); and

the cemented carbide material being substantially free from η-phase.