Specification
  Size:1.9"~ 4-1/2"
  End type:NUE,EUE
  Nominal Weight:4.09kg/m~18.75kg/m
  O.D.:48.26mm~114.3mm
  Steel Grade:J55/K55/N80/L80/P110
  Certifate: API SPEC 5CT

2. Features
   It’s coated by a kind of special coating material which
is super corrosion prevention and abrasion resisting. Its
corrosion prevention and abrasion resisting characters are
unique. Its service life is three times longer than those
uncoated tubing.