seamless steel Casing and Tubing

　　API 5CT casing & tubing

　　1)API No.:5CT-1199/ISO 9001

　　2)Grades:API J55/K55/ N80/ L80/P110

　　3)OD*WT 2 7/8"-20"*2.87-22.22mm

　　API 5CT casing pipe




Casing pipe


Tubing pipe

Grade


API J55;API K55;API N80;API L80 /P110


API J55;API N80;API L80 /P110

Type of thread


STC/BTC/LC


NU/EU/IJ

OD


4 1/2”-20” (114.3~508mm)


2 7/8"~4 1/2" (73.02~114.3mm)

WT


5.21-22.24mm


2.87~16.00mm

Length


R1(4.88~7.62), R2(7.62~10.36), R3(10.36~14.63)


R1(6.10~7.32), R2(8.53~9.75), R3(11.58~12.80)

Application


Casing serves as wall of a well


Tubing is used to extracting petroleum and natural gas from a well

　　Testing

　　NDT and pressure test and third party certication

　　Size and surface inspection

　　Non-destructive (magnetic flux leakage test) Thread inspection

　　Hydrostatic test

　　Drifting test

　　Physical and chemicail analysis

　　Hardness and pressure test.

　　Casing and Tubing:

　　Steel Grade: J55 K55 N80 L80 P110

　　size: from 3 1/2'' to 20''

　　cert: API 5CT ISO

　　length: R1/R2/R3 Thread

　　type: BTC STC LTC NU EU

　　1.High precision in size and shape

　　2.Good corrosion resistance

　　3.High collapse strength

　　Features

　　High precision in size and shape

　　Good corrosion resistance

　　High collapse strength

　　Excellent comprehensive mechanical properties

　　High connection strength and sealability

　　Constant mechanical properties at high temperature

　　Specifications

　　API Spec 5CT Specification for Casing and Tubing

　　API Spec 5B Specification for Threading, Gauging, and thread Inspection of Casing,