Tender For supply of 1.cutting electrode of irs class-n1 size - 3.15x350mm as per drg.no. as per irsm-28-112. manual metalweldingelectrode class-a1. rutile type, type of coating-medium size 3.15 x 350 mm specn. no. irs:m-28/12. code as per is:814-2004.