tender for electrode to size dia 2.5 mm x 350 mm length shall be lowhydrogen type(basic coated) electrode with good weldingcharacteristics and it shall be suitablefor welding low alloyhigh tensile steel of irs m 41/latest or equivalent.theelectrode shall be approved by rdso under irs class d of irs.m28/2002 withamendment 1 and 2 to the code e 8018 w of aws a.5.5(or to the code e8018 w2 of sf a 5.5).the butt welded testspecimen prepared using the subject electrode shall pass180degree transverse bend test (both root and face bends) on testingas per is:3600-83 part-5 with mandrel dia (d) being 3t(t-thickness of the parent material). theelectrode shall beoperatable on ac as well as dc in which dc+ve ismandatory.packing condition shall be as per class 5.1.1 of irs m-28/2002.
