tender for supply of ms black pipes on door delivery basis at hbl plant lauriya, west ch aran, bihar - 845453. , supply of ms black pipes, make - sail/tata/jindal (random length of 6 mtrs.) at hbl plant lauriya as per the following details, specifications & scope of work mentioned below and attached tender document: , 12 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 20 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 25 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 40 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 50 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 80 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 100 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 125 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 150 nb black erw heavy pipes confirming to is1239 classc material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 1239 surface: black finish with anti corrosive primer coating , 200 nb black erw heavy pipes confirming to is3589 class c 6 mm thickness material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 3589 surface: black finish with anti corrosive primer coating , 250 nb black erw heavy pipes confirming to is3589 class c 6 mm thickness material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 3589 surface: black finish with anti corrosive primer coating , 300 nb black erw heavy pipes confirming to is3589 class c 6 mm thickness material: mild steel (ms) class: c (heavy wall thickness) ends: beveled for welding standard: is 3589 surface: black finish with anti corrosive primer coating