supply of copper coated solid ms welding filler wire, class 1, size 0.8mm for co2 welding. specification no: irsm-46/2020, grade s3c503 as per is: 6419/2004copper coated solid ms welding filler wire, class 1, size 0.8mm for co2 welding. specification no: irsm-46/2020, grade s3c503 as per is: 6419/2004,copper coated solid ms welding filler wire, class 1, size 0.8mm for co2 weldi ng. specification no: irsm-46/2020, grade s3c503 as per is: 6419/2004 [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]