supply of copper coated co2 welding filler , copper coated co2 welding filler solid wire size 1.2 mm, as per spec. no. irs: m-46/2 020 class-1, spool size & condition of wire as per is: 6419-96 (reaffirmed 2021 ) with additional requi rement of precision lair winding (plw) & copper content of coating to be between 0.2 to 0.5%, weld te st as per aws (sfa-5.18) section-ii part-c, cast-305 mm min. & helix 25 mm max. in spool of dia-300 mm & weight: 12.5 kgs, shelf life of material not to be less than one year from the date of manufactur ing. quality plan - n.a [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]