Light weight cemented carbide for flow erosion components

Abstract

A cemented carbide for a flow component for controlling the pressure and flow of well products includes in wt %: about 7 to about 9 Co; about 5 to about 7 Ni; about 19 to about 24 Ti C; about 1.5 to about 2.5 Cr 3 C 2 ; about 0.1 to about 0.3 Mo and balance of WC. A cemented carbide for fluid handling components and seal ring a comprises in wt %: about 1 to about 30 Ti C; about 12 to about 20 Co+Ni; about 0.5 to about 2.5 Cr; about 0.1 to about 0.3 Mo and balance of WC. A cemented carbide for fluid handling components and seal ring a comprises in wt %: about 15 to about 30 Ti C; about 5 to about 20 Ni; about 0.5 to about 2. Cr; about 0.5 to about 2.5 Mo and balance of WC.

1 . A cemented carbide for a flow component for controlling the pressure and flow of well products, the cemented carbide having a composition comprising in wt % (weight %) of:
 about 7 to about 9 Co;   about 5 to about 7 Ni;   about 19 to about 24 TiC;   about 1.5 to about 2.5 Cr 3 C 2 ;   about 0.1 to about 0.3 Mo; and   balance WC.   
     
     
         2 . The cemented carbide for a flow component of  claim 1 , wherein the composition comprises about 20 to about 22 wt % TiC. 
     
     
         3 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises from about 1.8 to about 2.2 wt % Cr 3 C 2 . 
     
     
         4 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises from about 5.3 to about 6.0 wt % Ni. 
     
     
         5 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises from about 8.0 to about 8.6 wt % Co. 
     
     
         6 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises from about 0.15 to about 0.25 wt % Mo. 
     
     
         7 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises WC of from about 50 wt % to about 69 wt %. 
     
     
         8 . The cemented carbide for a flow component according to  claim 1 , wherein the composition has a density of from about 9.6 to about 10.2 g/cm 3 . 
     
     
         9 . A cemented carbide for fluid handling components and seal rings, the cemented carbide having a composition comprising in wt %:
 about 15 to about 30 TiC;   about 12 to about 20 Co+Ni;   about 0.5 to about 2.5 Cr 3 C 2 ;   about 0.1 to about 0.3 Mo; and   balance WC.   
     
     
         10 . The cemented carbide for fluid handling components and seal rings of  claim 9 , wherein the composition comprises from about 19.8 to about 21.8 wt % TiC. 
     
     
         11 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises from about 1.8 to about 2.2 wt % Cr 3 C 2 . 
     
     
         12 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises from about 5.3 to about 5.9 wt % Ni. 
     
     
         13 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises from about 7.9 to about 8.5 wt % Co. 
     
     
         14 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises from about 0.15 to about 0.25 wt % Mo. 
     
     
         15 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises WC in an amount of from about 62.2 to about 64.2 wt %. 
     
     
         16 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition has a density of from about 9.6 to about 10.2 g/cm 3 . 
     
     
         17 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition has an average WC grain size of from about 4 μm to about 8 μm. 
     
     
         18 . A cemented carbide for fluid handling components and seal rings, the cemented carbide having a composition comprising in wt %:
 about 15 to about 30 TiC;   about 5 to about 20 Ni;   about 0.5 to about 2.5 Cr;   about 0.5 to about 2.5 Mo; and   the balance WC.   
     
     
         19 . The cemented carbide for fluid handling components and seal rings of  claim 18 , wherein the composition comprises from about 20 to about 23 wt % TiC. 
     
     
         20 . The cemented carbide for fluid handling components and seal rings of  claim 18 , wherein the composition comprises from about 0.8 to about 1.5 wt % Cr 3 C 2 . 
     
     
         21 . The cemented carbide for fluid handling components and seal rings according to  claim 18 , wherein the composition comprises from about 9.5 to about 14.5 wt % Ni. 
     
     
         22 . The cemented carbide for fluid handling components and seal rings according to  claim 18 , wherein the composition comprises from about 0.7 to about 1.6 wt % Mo. 
     
     
         23 . The cemented carbide for fluid handling components and seal rings according to  claim 18 , wherein the composition has a density of from about 9.8 to about 10.4 g/cm 3 . 
     
     
         24 . The cemented carbide for fluid handling components and seal rings according to  claim 18 , wherein cemented carbide composition has an average WC grain size of from about 9.9 μm to about 1.3 μm.