N80 NUE tubing collar

2015 Hot Sale api 5ct J55/K55/N80/P110 NUE tubing collar/steel nipple This product is one type of couplings. It is used to connect tubing pipes. The placement is male which is easy and flexible to operate. We can do different types and specifications according to the clients requirement. 1.Features: It realized to connect the two different specifications of tubing pipes. The placement is male;well mechanical properties,good sealing and connectivity.2.Advantages: After hot rolling, we can sure the coupling joint has well-proportioned and consistent metallographic structure. Good sealing and loading capacity.3.Standard Reference:API 5CT Specification : ModelsFeatures(1) 2-3/8"EU*2-7/8"EU(1) External thread(2) Reducing coupling(3) Having Good Sealing Property(4)EUE or NUE(5) J55,K55,l80,N80(2) 2-7/8"NU*3-1/2"NU(3) 3-1/2"NU*3-1/2"EU(4) 2-3/8"NU*2-3/8"EU(5) 2-7/8"NU*2-7/8"EU(6) 2-3/8"EU*2-7/8"NUService:(1) Sale service: we offer all-around service(2) Packing: carton, wooden case, wood…