Steel Tube Standards - API

 

AMERICA

   
 
API American Petroleum Institute
   
  1220 L Street, NW
  Washington, DC 20005
  USA
  Tel (1) 202 682 8000
  Web site: www.api.org
   
   
5L Line pipe
5LC Corrosion resistant alloy line pipe
5LD Corrosion resistant alloy clad or lined steel pipe
5CT Casing and tubing
5D Drill pipe
2B Offshore structural steel pipe
5LCP Coiled line pipe
5B Threading, gaging and thread inspection of casing, tubing and line pipe threads (ANSI approved 7/12/93)
RP 5L 2 Internal coating of line pipe for non-corrosive gas transmission service
RP 5L 7 Unprimed internal fusion bonded epoxy coating of line pipe
RP 5C 7 Recommended practice for coiled tubing operations in oil and gas well services