tubing coupling,casing coupling,2-7/8

Product Details Place of Origin: China Certification: API Thickness: 4, 20 Application: Oil Pipe Technique: Hot Rolled Alloy Or Not: Non-alloy Secondary Or Not: Non-secondary Special Pipe: API Pipe Section Shape: Round Outer Diameter: 60, 508 CASING COUPLINGS SIZE 13-3/8" WEIGHT 72 PPF GRADE L80 TYPE1 THREAD BTC PSL1 CASING COUPLINGS SIZE: 13-3/8", WEIGHT: 68 PPF, GRADE: L80, TYPE: 1, THREAD TYPE: BTC, PSL: 1 Gr J55 /N80 CASING COUPLINGS SIZE 11-3/4" BC/LC Gr J55 /N80 CASING