Patent ID: 6170917
Filing Date: 2001-01-09
Classification: C22C,E21C

Abstract:
A pick-style tool comprising:an elongate tool body having an axially forward end and an axially rearward end;a hard insert affixed to the tool body at the axially forward end thereof; andthe hard insert comprising a WC-cermet comprising tungsten carbide and about 5 wt. % to 27 wt. % Co--Ni--Fe-binder comprising about 40 wt. % to 90 wt. % cobalt, about 4 wt. % to 36 wt. % nickel, about 4 wt. % to 36 wt. % iron; a Ni:Fe ratio from about 1.5:1 to 1:1.5; and a face centered cubic (fcc) structure that exhibits substantially no stress and strain induced phase transformations.