Policy Guidelines for Steel Tubes

1. Guidelines for existing licensees of Mild Steel Tubes as pr IS 1239 (Pt.1):1990 who want to procure BIS Standard Marked black tubes from other licensees under their own brand name and sell these tubes after galvanizing, threading, socketing and testing.
   
   
2. Operation of certification Marks Licence for IS 1239(Pt.1):1990.
   
   
3. General grouping for all types of steel tubes for grant of licence/inclusion of additional sizes/classes/grades/types, etc.
   
   
4. Marking of licence No. and batch No. on each M S tubes covered under IS 1239(Pt.1):1990.
   
   
5. It has been informed by CL that samples from both ends of MS tubes is required for correct evaluation of zinc coating requirement. Therefore, BOs are requested to advice all inspecting officers to draw samples of galvanized MS tubes as per IS 1239(Pt.1) accordingly.
6. Processing of applications of galvanizing units procuring BIS certified black tubes for galvanizing and other finishing operation