supply of manual metal arc welding electrodes irs class a2 size 4.00 mm x 450 mm. spec. no. irs m 28/2020, code er4211x (medium coated) as per is:814-2004 reviewed in 2021, (rev-6) with latest amdt. no. 3 of aug 2024)manual metal arc welding electrodes irs class a2 size 4.00 mm x 450 mm. spec. no. irs m 28/2020, code er4211x (medium coated) as per is:814-2004 reviewed in 2021, (rev-6) with latest amdt. no. 3 of aug 2024),manual metal arc welding electrodes irs class a2 size 4.00 mm x 450 mm. spec. no. ir s m 28/2020, code er4211x (medium coated) as per is:814-2004 reviewed in 2021, (rev-6) with late st amdt. no. 3 of aug 2024) [ 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 ] ]