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Tender For supply of 2003655 , 2003690 , 2003708 , 2003717 , 2003733 , 2003734 , 2003735 , 2003736 , 2003737 , 2003738 , 2003739 , 2003740 , 2112483 , 2112484 , 2114138 , 2114139 , 2114146 , 2114152 , 2114162 roll2003655 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 ) /bid number : gem/2026/b/7416074 * /dated: 16-04-2026 & & / bid document 1 / 40 rejected before use. 8) 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 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 set life: bh1=14.35, bh2=14.55 lakh tons, roll2003690 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. 7) these rolls are used in hot rolling mill. roll set life1: 19re16&18=2.00,19re20=1.62 l.tons roll set life2: 21re25=2.34, 21re36=0.7 lakh tons roll set life3: 21re28&re32=0.90, 21re32, re36=0.70 lakh tons roll set life4: 21rore16,18=2.16, 21re20=2.13 lakh tons, roll2003708 material : sg cast iron (accicular) hardness : 70-75 shore
Tender For supply of solid carbide 4 fluted center cut end mill dia= 10mm* fl= 35mm* oal= 80mm with tialn coating. , solid carbide 3 fluted center cut end mill dia= 6mm, flute length= 20mm to 25mm, oal= 60mm to 65mm, str
Tender For corrigendum : supply of square shoulder end mill cutter to suit insert sphw 120408 with following specifications, shank dia , milling insert sphw 120408 as per drg no: t drg 125 7 180 0, to suit in square shoulder end mill cu
Tender For supply of solid carbide rougher end mill dia. -12mm, shank dia. - 12mm, ecl-30mm, oal-83mm, flute-4nos. helix an , s. c. end mill rougher series (serreted) dia. 14mm, ecl= 35mm, oal= 100mm, 4 fluted, helix angle 30 degr