Electrodes, Size: 3.15 Dia. X 350 Mm, N1 Class. Matl.& Specn: Irs: M -28 / 2020 (Version 1.0), Material To Be Supplied In Packed Condition As Per Clause 5.1.1, Page 10 Of 34. The Shelf Life Of Th E Electrodes Shall Be 12 Months From The Date Of Receipt In Stores Or 18 Months From The Date Of Man Ufacture Whichever Is More. [ Warranty Period: 12 Months After The Date Of Delivery ] ]