supply of supply of manual metal arc welding electrode, size - 4mm x 350mm, class - m2supply of manual metal arc welding electrode, size - 4mm x 350mm, class - m2,manual metal arc welding electrode, size - 4mm x 350mm, class - m2 for boxnhl wagon , heavy coating type. matl. & spec. : irs: m28 / 2020 code as per is: 5206-2003 e19.9 lr 26 as per is: 5206-1983(reaff.2019) or latest. shelf life to be fulfilled : the shelf life of the electrodes shall be 12 months from the date of receipt in stores or 18 months from the date of manufacture whichever is mor e. [ warranty period: 18 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] divisional gsd adra, ser west bengal 62803.00 metre divisional gsd tata, ser jharkhand 10644.00 metre roh stores/bksc, ser jharkhand 25631.00 metre