Tender For supply of various welding electrodes e e - ss welding electrod 2.50x350mm 309 m.o.15 , s.s. welding electrode e 309 mo-15 3.15 mm , ss welding electrod 4.00x350mm 309 m.o.15 , welding electrode ms, e-7018, low hydrogen size 2.5mm x 350mm , welding electrode ms, e-7018, low hydrogen, size 3.15mm x 450mm , welding electrode ms, e-7018, low hydrogen, size 4.00mm x 450mm , brass brazing rod 3 mm , brazing rod brass 1.5mm , copper coated gauging rod 9 mm
Tender For procurement of ms electrodes for ohp(10items) comprising of following: 1 - ms electrodes size: 4.00 mm , 2 - ms electrodes size: 5.00 mm , 3 - ms electrodes (3.15 x 450mm) , 4 - low hydrogen electrodes size: 4.00 mm , 5 - hardfacing electrode, size: 8.00 mm , 6 - mn steel joining electrode size :4.00 mm , 7 - cutting electrode size: 4.00 mm , 8 - chamfering electrode size: 4.00 mm , 9 - bronze electrode, size: 4.00 x 350 mm , 10 - ci machinecable electrode size: 4.00 mm ,
Tender For corrigendum : supply of aluminothermitwelding portions (using compressed air petrol/lpg pre heating system) 3 piece prefabricated mould (zircon washed) manually pressed, single shot crucible fitted with auto tamping timble for south central railway as per rdso specification no. irst/19-2020 and as amended upto the date of opening of tender. 52 kg/90 uts - 25 mm gap (with accessories as anexure) [ warranty period: 30 months after the date of delivery ]
Tender For supply of aluminothermitwelding portions (usingdescription of materialcompressed air petrol/lpg pre-heating system) 3 piece prefabricatedmould (zircon washed) manually pressed, single shot crucible fittedwith auto tapping timble for south central railway as per rdsospecification no.irst/19-2020 for 60kg/60e1-r260 grade rail-25mm gap and as amended up to the date of opening of tender. (withaccessories as per annexure-a) [ warranty period: 30 months after the date of delivery ]
Tender For aluminothermitwelding work of 60 kg (90 uts)/60 el-r-260) rails and 52 kg/90r rail (90/72 uts) rail between maghar - shahjanwa- jagtbela-bansgaon section in connection with shahjanwa-dohrighat phase-i, new line project of lucknow division of n.e.railway
Tender For supply of electrode to size dia 3.15mm x 450mm length shall be low hydrogen type (basic coated) electrode with good welding characteristics and it shall be suitable for welding low alloy high tensile steel of irs m 41/latest or equivalent. the electrode shall be approved by rdso under irs class "d" of irs m 28/2002 to the code e8018 wof aws.a.5.5 (or to the code e8018 w2 of sfa 5.5). the butt welded test specimen prepared using the subject electrode shall pass 180deg. transverse bend test (both root & face bends) on testing as per is: 3600-83 part-5 with mandrel dia (d) being 3t(t-thickness of the parent material). the electrode shall be operatable on ac as well as dc in which dc +ve is mandatory.packing condition shall be as per clause 5.1.1 of irs m-28/2002. [ warrantyperiod: 12 months after the date of delivery ]
Tender For supply and supervision of at welding portion 60kg/60e1, r260 rail joints aluminothermitwelding for 52 kg, 60 kg/60e1, r260 grade rails for associated track related works under sr. den/iii/ddu.