supply of m.s. welding electrodes class a1 size 3.15 x 350mm medium coated to irsm 28/12 as per is:814-2004 aws code no.er4112 rdso approved brandm.s. welding electrodes class a1 size 3.15 x 350mm medium coated to irsm 28/12 as per is:814-2004 aws code no.er4112 rdso approved brand,m.s. welding electrodes class a1 size 3.15 x 350mm medium coated to irsm 28/ 12 as per is:814-2004 aws code no.er4112 rdso approved brand [ warranty period: 18 month s after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] amm (cog) wb, cr maharashtra 21600.00 metre