supply of copper coated co2 welding filler solidcopper coated co2 welding filler solid,copper coated co2 welding filler solid wire size 1.2mm,shelf life of materia l not to be less than one year from the date of manufacturing., as per drawing: irs m-46 with latest version, class 1, spool size & condition of wire as per is:6419-96 with addi.r eq. of precision layer winding & copper content of coating to be 0.2 to 0.5%, weld test as per aws a5.18/a5,18m:2005,part-b,section-9,cast-305mm min.& helix 25mm max in spool o f dia-300 mm & wt-12.5 kg, quality plan: n.a. [ warranty period: 30 months after the date of deliv ery ] ]