Tender for Procurement Of Spares (boiler Cds Tubes)for Pressure Parts Of Units-5&6 Boilers - Water Wall Tube Od 63.5x5.6mm Sa210 Gr C, Cds Fg Tube Od38.0x4.0mm, Itsh Tube, Fin Flat Of Size12.7x6 Mm (edge Bar)material Is Carbon Steel For Fin Welding Between Tube To, Ring;type:c-seal;inside Diameter:126mm; Outside Diameter:137 in Multi City - Andhra Pradesh

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