Tender For supply of the electrode to size dia 3.15 mm x 450 mm length shall be low hydrogen type (basic coated) electrode with good welding characteristics and it shall be suitable for welding steel of is:2062/latest or equivalent. the electrode shall be approved by rdso under irs class `a4' of irsm 28/2002 to the code eb 532 x h2jx of is:814/91 (`x' of the code refers to the welding current & voltage conditions as recommended by the electrode manufacturer). the butt welded test specimen prepared using the subject electrode shall pass 180 degree 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. the pre-heating temperature& duration shall be specified on the electrode packets (carton). the shelf life of the electrode shall be 12 months from the date of receipt in stores or 18 months from the date of manufacture, whichever is more. [ warranty period: 12 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For supply of electrode to size dia 4mm 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 shallbe approved by rdso under irs class 'd' of irs m 28/2002 to the code e8018 w of 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. [ warranty period: 12 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For execution of flash butt welding of 20 rail panels/free rails/2 rail panels/3 rail panels of all rail sections(new/sh) at site (in situ/cess) using contractor's mobile flash butt welding plant in different construction project under the jurisdiction of sec railway.
Tender For flash butt welding of 60 kg/52 kg/90r rails at site using road cum rail mobile flash butt welding plant at different locations under section of sr.den/2/dnr.
Tender For vadodara division:- flash butt welding of 60 kg / 52 kg (90 uts / 72 uts, r -260), (new / sh) rails at site using mobile flash butt welding and other ancillary track works over the brc division.
Tender For flash butt welding of rails (60kg or higher, new/in service) at track renewal sites under sanctioned track renewal works (isd,trr,ctr,ttr etc.) in kanpur-anwerganj (cpa)-mathura cantt.(mrt) section of izn division(mrt) section of izn division.
Tender For flash butt welding of 60kg/52kg (90uts/72uts, r-260),(new/sh/sr/swr/lwr) rail at site with contractors mobile flash butt welding plant under the jurisdiction of sr.den/1/hwh and sr. den/hq and line/hwh.
Tender For flash butt welding of 60 kg/52kg(90uts/72uts, r-260),(new/sh/sr/swr/lwr) rail at site with contractors mobile flash butt welding plant under the jurisdiction of sr.den/2/hwh.