supply of mmaw electrode, size: 4 mm dia. x 450 mm,mmaw electrode, size: 4 mm dia. x 450 mm,,mmaw electrode, size: 4 mm dia. x 450 mm, radiographic quality, class - a2 to code: e r4211x (medium coated) as per is: 814-04, amd.-2, reaffirmed 2021. matl. & spec.: irs m: 28 / 2020 . shelf life to be fulfilled: the shelf life of the electrodes shall be 12 months from the date of receipt i n stores or 18 months from the date of manufacture whichever is more [ warranty period: 12 mont hs after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]