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.
Tender For supply of procurement of welding electrodes c c -filler rod for pipe , m s electrode , low hydrogen electrode , s s electrode , wilding electrode cphfd 011 , welding electrode e 9018 b9 mod