Tender For bid to ras 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 coatinganti-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 coatinganti-corrosivecoating 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 coatinganti-corrosivecoating drop in hardness 1 shc per 10mm on barrel depth ------------------------------------ special instructions: --------------------------------
Tender For 1st call:- tender for the work of supply and application of nano technology-based acid and alkali resistant nano-modified anticorrosivecoating paint on rusted various equipments support structures, gantries and beam and lm tower at 400kv chandrapur-2 substation, msetcl, chandrapur under 400kv rs o&m division-ii chandrapur
Tender For corrigendum : neurovascular item for neurosurgery department - super-selective high flow infusion catheters for cerebral/spinal avms (compatible with n-butyl cynoacrylates)- flow guided 150 - 180 cm long graded shaft stiffness should be compatible with 0.007, 0.008, 0.010"micro guide wire should have three segments, 1.2f, 1.5f, 1.8f, one tip marker microcatheter, 167 cmhybrid braided catheter for liquid embolic injection coil reinforced and braid reinforced0.0165/0.013-inch id, 0.014 compatible guidewire dmso compatible2.1f proximal od, 1.3f distal od, super-selective high flow infusion catheters for cerebral/spinal avms (compatible with dmso) with detachable tips 150-180 cm long graded shaft stiffness should be compatible with 0.007, 0.008, 0.009, 0.010" micro guide wire should have multi-segmented construction specify hydrophilic coating specify detachment mechanism, 1.2f, 1.5f, 1.8 f, 1.2 f with combined packing of catheter and compatible wire, 1.5 f with combined packing of catheter and compatible wire, super-selective high flow infusion catheters for cerebral/spinal avms (compatible with dmso) without detachable tips150-180 cm long graded shaft stiffnessshould be compatible with 0.007,0.008, 0.009-inch micro guide wirespecify hydrophilic coating, 1.2f, 1.3f, 1.5f, 1.8f, selective infusion micro catheters (compatible with particulate embolic agents e.g., pva particles) selective infusion micro catheters (compatible with particulate embolic agents e.g., pva particles relatively wide inner id 140-150cm long, distal tips-2f, distal tips-2.2f, distal tips-3f, distal tips-4f, delivery microcatheterproximal od 2.95 for distal od 2.6fr 0.025 id with 160cm long compatible with reperfusion catheters, two tipped micro-catheters compatible with dmso/glue, dmso compatible & 156 cmlong two tip marker coils reinforced microcatheter 0.021-inch id & steam shapeable7 segments along the shaft length 2.5f proximal od, 2.0f distal od, dmso compatible & 156 cm two tip marker coils reinforced microcatheter0.027-inch id & steam shapeable-7 segments along the shaft length- 3.1f proximal od, 2.6f distal od, dmso compatible two tip marker microcatheter 156 cm length, 0.0165-inch idhybrid braided catheter for aneurysm coiling and liquid embolic injection- coil reinforced and braid reinforced-0.014 compatible guidewire-steam shapeable- 2.1f proximal od, 1.6f distal od, two tipped microcatheter compatible with dmso/glueproximal od 2.5 for distal od 2.2fr length 160cm, dmso compatible single tip marker microcatheter, 167 cm length, 0.0165/0.013s inch id- hybrid braided catheter for liquid embolic injection- coil reinforced and braid reinforced--one tip marker microcatheter, 167 cm-, 0.014 compatible guidewire-steam shapeable-dmso compatible- 2.1f proximal od, 1.3f distal od, dmso compatible two tip marker coils reinforced microcatheter-0.017 inch id, 150 cm length-steam re-shapeable with 0.41cc dead space-7 segments along the shaft length, flow dependent micro catheter with distal tip of 1.2 f; non dmso compatiblefor access through distal, tortuous vasculature. for regional infusion of therapeutic agents or embolic materials like glue, pva etc., flow dependent micro catheter with distal tip of 1.5f non dmso compatible.for access through distal, tortuous vasculature. for regional infusion of therapeutic agents or embolic materials like glue, pva etc., atraumatic micro guide wires with torque device for use with micro catheter: sizes: 0.007 & 0.008 lengths: 150-180cms should have soft platinum floppy tip coating with hydrophilic polymer should have wires with varying degree of shaft support, sizes: 0.007 straight, sizes: 0.007 pre shaped, sizes: 0.008 straight, sizes: 0.008 pre shaped, atraumatic micro guide wires with torque device for use with micro catheter: sizes: 0.007 & 0.008 lengths: 150-180cms should have soft platinum floppy tip coating with hydrophilic polymer should have wires with varying degree of shaft suuse with mic