NO | Length | Thread Standard | Material | Heat Treatment |
Φ89 | 4.5m | API | R780 | Overall quenching and tempering, joint nickel phosphorus plating |
Φ102 | 5m | API | R780 | Overall quenching and tempering, joint nickel phosphorus plating |
Φ114 | 5m | API | G105/S135 | Overall quenching and tempering, joint nickel phosphorus plating |
Φ127 | 9.6m | API | G105/S135 | Overall quenching and tempering, joint nickel phosphorus plating |