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 wago n, heavy coating type. matl. & spec. : irs: m28 / 2020 code as per is: 5206-2003 e19.9 lr 26 as per i s:5206-1983(reaff.2019) or latest. shelf life to be fulfilled : the shelf life of the electrodes shall be 1 2 months from the date of receipt in stores or 18 months from the date of manufacture whichever is more. [ warranty period: 12 months after the date of delivery ] ]