procurement of special purpose hard facing and welding electrodes for 1x500 mw unit sgtps birsinghpur , ewac t e81, size-8mm/ta1, size-8 mm/lotherme t-901, size:6.3 mm , ehdp 20, size-4.0 mm/ lh 7770, size-4.0 mm/lotherme 617, size:4.0 mm , ewactro bu 100, size-4.0 mm/ lh 7141, size-4.0 mm/lotherme 610, size: 4.0 mm , unitro u, size-4.0 mm/ lh 126, size-4.0 mm/lotherme 464, size: 4.0 mm , ewactro st 160, size-2.5 mm/ lh 106, size-2.15 mm/ lotherme 468, size:2.5 mm , ewactro st 160, size-3.15 mm/ lh 106, size-3.2 mm/ lotherme 468, size:3.15 mm , wunder 160, size-2.5 mm/ lh 106 smp, size-2.15 mm/ lotherme 468 m, size: 2.5 mm , wunder 160, size-3.15 mm/ lh 106 smp, size-3.2 mm/ lotherme 468 m, size:3.15 mm , wunder 160, size-4.0 mm/ lh 106 smp, size-4.0 mm/ lotherme 468 m, size: 4.0 mm , ewactro bu 800, size-4.0 mm/ lh 713, size-4.0 mm/ lotherme 607, size: 4.0 mm , ewactro hf 1400, size-4.0 mm/lh 720, size-4.0 mm/ lotherme 604, size:4.0 mm , wunder 120 hz, size-4.0 mm/lh 104, size-4.0 mm/ lotherme 361, size:4.0 mm , wunder 120 hz, size-3.15/lh 104, size-3.2 mm/ lotherme 361, size:3.15 mm , ewac piercetro size-4.0 mm/lh 901, size-4.0 mm/ lotherme 801, size:4.0 mm , ewac gougetro, size-4.0 mm/lh 900, size-4.0 mm/ lotherme 802, size:4.0 mm , unitro m, size-3.15 mm/ lh 125, size-3.2 mm/ lotherme 455, size:4.0 mm , wunder 80, size-3.15 mm/ lh 119, size-3.2 mm/ lotherme 703, size:3.15 mm , ecast 48, size-4 mm/ lh 115, size-4 mm/ lotherme 702, size: 4 mm , ewactro ci 54, size-3.15 mm/ lh 117, size-3.2 mm/ lotherme 701, size:3.15 mm , tribotuf 6517, size-4.0 mm/ lh tuf-tech 58, size 4.0 mm/ lotherme 615, size:4.0 mm => limited