IRAN TENDER LINE PIPE APL 5L GRADE X525 PSL2 SEMLESS
IRAN TENDER LINE PIPE APL 5L GRADE X525 PSL2 SEMLESS BLACK ACCORDING TO IPS - MPI - 190
IRAN TENDER LINE PIPE
IRAN TENDER LINE PIPE API 5L GRADE X52 PSL 2 , SEAMLESS BLACK ACCORDING TO IPS M- PL - 1990 (3) SUPPLEMENTED TO APL 5L , 45TH EDITTION 2012