M.S. Round (Structural Standard Quality) 20 Mm. Dia. Length 3 Mtrs. And Above. Material And Specification : Is: 2062: 2011 (Rev. 7), With Amend. No. 1 Of Nov. 2012, Gr.: E 250 A. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]