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 w of aws.a.5.5 ( or to the code e8018 w2 of sfa 5.5 ) . the butt welded test specimen prepared using the subjeet 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 ] => limited