supply of galvanized mild steel , galvanized mild steel tubes electrical resistance welded (erw)/high frequency induction welded (hfiw) /hot finished welded (hfw) confirming to is 1239 (part1/2004 screwed at both ends as per is:554/1999 socketed at one end other end protected with plastic thread protector .the socket confir ming to is :1239 (part ii)/2011 in ra ndom length of 4 to 7 mtrs. g.i. pipe shall be duly isi marked as per st atutory requirement nominal bore 25 mm medium grade. [ warranty period: 30 months after the date of deli very ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]