API 5CT Oil Tubing 1. Size: 1.9’ ’ to 4-1/ 2’ ’ ; 2. End Type: NU & EU; 3. Steel Grade: J55, K55, N80-1, N80-Q, L80-9Cr/ 13Cr, C95, P110 ; 4. Specification: API Spec5CT& API 5B; 5.Dimensions and their tolerances of tubing round-thread as per API spec 5B 6.Protection of Thread: Thread protector 7.Based on the principle of equality and mutual benefit, we provide the products with high quality at competitive price 8. Packing: In Bundle 9. Supply Ability: 3000 metric Ton per month 10. Payment Term: L/ C, T/ T