Secondary or Seconds: Secondary pipe per our interpretation is like good [Steel Pipe Seller](https://www.steelpipeseller.com/buying-guide-of-stainless-steel-pipe/ "Steel Pipe Seller") but might be random length or has some minor cosmetic flaw.
Varnishes. API 5L X 60 PSL 1 Linepipe the most vital engineering purposes and in addition in sure functions in the automotive sector. Finish: Bare, Oiled, Mill Varnish, Galv, FBE, FBE Twin, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Finishes:Beveled, Sq. Lower, Threaded & Coupled.