ERW Q235 Welded Steel Tube ERW Casing Pipe

GB/T9711-2011 PSL1 Round Pipe Chart of Weight ERW Q235 Welded Steel Tube ERW Casing Pipe

             Standard:  GB/T9711-2011 PSL1,GB/T9711-2011 PSL2 GB/T3091-2008,API SPEC.5L                                     

                                    PSL1,API SPEC.5L PSL2, API SPEC.5CT  

              Grade:       J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C90, T95,                                        

                                 P110,Q125

              Size: 

                             Tubing :     2 3/8", 2 7/8", 3 1/2", 4", 4 1/2[

                              Casing :     4 1/2", 5", 5 1/2", 6 "5/8", 7", 7 5/8", 9 5/8", 10 3/4", 13 3/8", 16",                                                    

                                                18 5/8", 20''

                              End Type:

                              Casing:       LC(Long round thread), SC(short round thread), BC (buttress                                                     

                                                  thread), Premium connection, etc.

                             Tubing:        EU(External upset), NU(Non Upset).

1.Tubing, casing pipe are produced in accordance with API specifications.

2.The heat-treatment lines are complete with advanced equipments and detecting 

   instruments,casing in 5-1/2″ to 13-3/8″  diameters and tubing in 2-3/8″ to 4-1/2″                      

   diameters.

3.The annual heat-treatment capacity is about 150 thousand metric tons.

4.The thread machining line can handle all API steel grades tubing, casing, couplings and      

  screen pipes in 2-3/8″ to 20″ diameters and with annual capacity of 300 thousand metric      

  tons.