JFE-LION is the latest development in the JFE Steel premium connection series. Designed and proven to provide full pipe body performance in all pressure and axial load combinations. JFE-LION has been tested and validated according to ISO 13679:2002, ISO/FDIS 13679:2011 and API 5CT procedures for testing casing and tubing connections.
  • Standard and special clearance coupling OD’s
  • Carbon steel, Chrome, and CRA grades
  • Streamlined internal design
  • JFE-LION available wall thickness up to 1.350"
Fully evaluated high bending performance. Unique seal profile provides stable contact pressure with low galling risk.
JFE Steel premium connection series
Design                                                                                              
Reduced gap between stabbing flanks
Negative 5° load flank angle on threads
15° stabbing flanks
Multi-radius seal profile
Optimized for pipe d/t ratio