Tenders for Gem bids for Spirally Welded Mild Steel Pipe As Per Is 3589: 2001 Od-1016Mm, Thick-10Mm, Grade-Fe410, Spirally Welded Mildsteel Pipe As Per Is 3589: 2001 Od- 508Mm, Thick-11Mm, Grade-Fe410, Spirally Welded Mild Steel Pipe As Per Is3589: 2001 Od- 1626Mm, Thick-14.2Mm, Grade-Fe410
