Casings according API5CT details and HOST632-80
Tubing according API5CT details and HOST633-80
Drilling pipes acc. specifications API5DP
Pipes boring for geological survey acc. HOST7909-56
Profile pipes for welding acc. HOST8645-68 / HOST8639-82
Electric welding pipes VGP acc. HOST3262-75
Pipes for welding purpose acc. HOST10704-91