Tender For corrigendum : supply of welding apron (q3) , protective eye goggles (mha) (q3) , dark glass for welder's screen (q3) , blow pipe for welding and cutting as per is 7653 (v2) (q3) , thermal gloves (q3)
Tender For bid to ras supply of welding screen , welding glass black , welding glass white , regulator oxygen , regulator acetylene , gas welding nozzle 3 comma 4 comma 6 comma 20 , blow pipe set , gas welding pipe for oxygen , gas welding pipe for acetylene , gas cutter
Tender For supply of blow pipe for welding and cutting as per is 7653 (v2) (q3) , acetylene pressure regulator as per is 6901 (q3) , oxygen gas regulators (version 2) (q2) , welding cable (v2) as per is 9857 (q2) , rubber welding hoses as per is 447 (q3) , flash back arrestor (q3) , electrical connection lugs or thimbles (q3) , hose clamp as per is 4762 (q3)
Tender For supply of procurement of acs and sgci rolling mill work rolls d d -2003655 , 2003690 , 2003708 , 2003717 , 2003733 , 2003734 , 2003736 , 2003737 , 2003738 , 2114152 roll material alloy cast steel hardness 40-45 shore c drawing reference 1-d22939,rev-c tensile strength 85 to 100 kgf/mm stand no billet mill 1 & 2 size 850 x 1200 mm barrel hardness 40-45 shc roll approximate unit weight 7. 35 tons uts 85-100 kgf/sq. mm neck hardness 40-45 shc neck runout 0. 04 mm roll coating anti-corrosive ring hardness 600-700 hv3 test certificate required yes ring drawing no mec/1/22938/rev c ---------------------------------------- special instructions: ---------------------------------------- 1) ultrasonic,uts & elongation tests shall be done and certified. 2) flat wobblers to be strictly concentric with roll neck journals. 3) rolls to be suitably packed and numbered for identity. 4) the microstructure should be free from continuous network of carbides along the grain boundaries. 5) t. c. to be given along with micro-structure photograph. a seperate copy to be sent to d. g. m(rs&rs) at the time of delivery. 6) the rolls shall be guaranteed against manufacturing defects such as blow holes, cavity, non-metallic inclusions, pipe segregation,cracks,hard spots, flakes etc which may adversely affect their service life. 7) should any roll fail prematurely or give sub-standard performance due to the above defects, the suppliers shall rectify the defects at their cost wherever possible to the entire satisfaction of vsp or make prorata compensation or make full replacement if the roll has been rejected before use. 8) the rolls are also to be guaranteed for the roll life as mentioned or 5 ) /bid number: gem/2026/b/7117383 * /dated: 23-01-2026 & & / bid document1 / 23years from the date of supply to vsp which ever is earlier. this guarantee clause superseeds, guarantee mentioned elsewhere in the po(a/t), in this regard. 9) hardness test of end ring shall be done and certified. 10) these rolls are used in roughing stands of hot rolling mill. , roll material sg cast iron (accicular) hardness 70-75 shore c drawing reference 1/4012885,rev-e stand no bar mill 19 & 21 size 360 x 600 mm barrel hardness 70-75 shc roll approximate unit weight 0. 70 tons neck hardness 38-45 shc neck run out 0. 04 mm roll coating anti-corrosive coating drop in hardness 1 shc per 10mm on barrel depth -----------------------------------special instructions: ------------------------------------ 1) flat wobblers to be strictly concentric with roll neck journals. 2) rolls to be suitably packed and numbered for identity. 3) t. c. to be given along with micro-structure photograph. a seperate copy to be sent to d. g. m(rs&rs) at the time of delivery. 4) the rolls shall be guaranteed against manufacturing defects such as blow holes, cavity, non-metallic inclusions, pipe segregation,cracks,hard spots, flakes etc which may adversely affect their service life. 5) should any roll fail prematurely or give sub-standard performance due to the above defects, the suppliers shall rectify the defects at their cost wherever possible to the entire satisfaction of vsp or make prorata compensation or make full replacement if the roll has been rejected before use. 6) the rolls are also to be guaranteed for the roll life as mentioned or 5 years from the date of supply to vsp which ever is earlier. this guarantee clause superseeds, guarantee mentioned elsewhere in the a/t, in this regard. these rolls are used in hot rolling mill, roll material sg cast iron (accicular) hardness 70-75 shore c drawing reference 1-4012884,rev-d stand no bar mill 20 & 22 size 360 x 600 mm barrel hardness 70-75 shc roll approximate unit weight 0. 70 tons neck hardness 38-45 shc neck run out between centres 0. 04 mm roll coating anti-corrosive coating drop in hardness 1 shc per 10mm on barrel depth ------------------------------------ special instructions: ------------------------------------ 1) fla
Tender For mtps-i – m-i - ca – cws-i – replacement of corroded and eroded blow down pipe line in cooling tower-i and a portion of recirculation water pipe line in cooling water pumps of stage-i