PETROLEUM CASING PIPELINE

Steel grade: J55 K55 N80-1 N80-Q L80 P110,Size: Tubing 2 3/8" - 4 1/2",,Casing pipe 4 1/2"-20", Certification: API 5CT (cerfificate No 5CT 0735) ISO 9001:2008,,Length: R1(4.88-7.62M) R2(7.62-10.36M) R3(10.36-14.63M),Thread type: BTC LC.
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Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
Insulation Large Diameter Spiral Steel Pipe Structure and Features Insulation large diameter spiral steel pipe features: Polyurethane foam has good mechanical properties and thermal insulation properties. It can withstand 120C under normal.