• Threaded Casing with Short/Long Round Thread or Buttress
  • Tubing with Threaded Non-Upset/Upset End and Coupling
  • Drill Pipes with Welded-on Tool-Joints/Threaded End
  • Line Pipe with Plain End and Beveled
  • Boiler Tubes/Heat Exchanger Tubes
  • Carbon Steel Tubes for General Structural Purposes
  • Precision Carbon Steel Tubes
  • Seamless Tubing and Couplings Hydrosulfide-Carbon Dioxide- and Cold-Resistant
  • High Longevity Oil-Well Tubing and Interlocks of Production Strings for Corrosive Media
  • Wear-Resistant Tool Joints for Tubing
  • Thermodiffusion Galvanizing of Tubing Couplings
  • Seampless Tubing with Externally Upset Ends and Couplings Hydrosulfid- and Cold-Resistant
  • Drill Pipes with Welded Tool Joints