The G I. Wire of 3.15mm dia x 4.00mm dia with tolerance of +or- 2.5 % in dia as per IS:280/1978 with latest amendment/revision if any. Yes 2) The G. I. Wire shall drawn from soft wire having tensile strength 450-550 N/mm2 Yes 3) Breaking Load shall be as under : for G. I. Wire 3.15mm dia x 339.3 to 459.2 for G. I. Wire 4.00 mm dia 544 to 740.54 Yes Yes 4) Zinc coating shall be as under i) Heavy coating IS : 4826/78 ii) How dip galvanizing, weight of zinc coating when tested IS : 4826/79 iii) The quality of zinc shall be as per IS : 209/1992 iv) No. of dip guaranteed. 3 Nos. of 1 minute dips & 1 No. 1/2 minute dip as per IS:2633/1986 Yes Yes Yes