Supply Of Manual Metal Arc Welding Electrodes Size 4 X 450mm. Class A-2, Type Of Coating: Medium Conforming To Irs M:28-2020. Code Er4211x As Per Is:814- 2004 R 2016 Shelf Life: 12 Months From The Date Of Receipt In Stores Or 18 Months From The Date Of Manufacture Whichever Is More..