API
Marking System

The finished pipes either paint stenciled or die stamped as per desire of the buyers.

But when no special requirement from buyer, pipes are paint stenciled only.

Pipe Marking contain following information:

  • Name of the Manufacturer.
  • Number designation of International Standard.
  • Monogram of the Standard.
  • Year and Month of production.
  • Specified outside diameter.
  • Specified wall thickness.
  • Pipe steel grade (steel name).
  • Product Specification level designation.
  • Type of pipe.
  • Heat number.

 

 

 

   

© Copyright 2013 National Tubes Ltd.. All rights reserved