SP SERIES WELDING ELECTRODES
Electrode for high strength and extreme crack resistance
UTS: 67-87 kgf/mm2
Elongation (L=4D): 22-30%
Heavy machinery parts, earth moving equipment parts, automobile springs, trunnions of cement mill & other allied components, parts subject to heat, corrosion & impact. Joining of high carbon, low & high alloy steels, tool steels, spring steels, manganese steels, case hardening steels, high speed steels, cast steels & for difficult to weld steels, unidentified steels & dissimilar steels. Also best suited for joining of such steels with one another. Also suitable for cushioning layer under hard deposits.
Chromium-iron type alloyed electrode for good temperature and abrasion resistance
Hardness: 57-62 HRC
For applications where combination of toughness and hardness is desired. Hard surfacing of parts which are subject to severe abrasive wear and moderate shocks. Conveyor worm screws, mixer blades, auger screws, dredging cutters, bells & hoppers, runner bottom edges, etc.
A nickel base super – alloy electrode
Hardness as welded 18 HRC
After work hardening 42 HRC
For hard-facing of hot forging dies, hot working tools & hot shear blades. Joining of Nimonic and Inconel alloys and these alloys to alloy steel, carbon steel. For depositing corrosion resistant layer (cladding) on valves and pump components when wear and corrosion resistant surface is required.
General purpose electrode for welding mild and structural steels
UTS: 46-65 kgf/mm2
Charpy V notch Impact value at 27ºC: 105 Joules
Welding of IS 2062, IS 2002 Gr. A steels, structural steels having UTS in the range of 48 kgf/mm2. Sheet metals, bridges, steel structures, construction industries. For tack and intermittent welding. Railway wagons and coaches, pipes, steel furniture, etc.
For repair of dies in forging industry
UTS: 95-110 kgf/mm2
YS: 80-100 kgf/mm2
Hardness as welded: 26-36 HRC
Forging dies for filling all types of die impressions. Machinery parts made of high tensile steel material in earth moving equipment. Automotive parts and certain grades of armour steel, steam turbine rotors in service up to 540ºC. Repair of case hardening steel parts after removing the hard zone for repairing cracks in Ni-Cr hot working dies.
Electrode for welding Inconel 600 and similar nickel base, composition alloys
UTS: 62-78 kgf/mm2
Impact strength at +20º C 100 J at -196ºC: 80 J
Basic Flux coated nickel base electrode for welding Inconel 600, inconel, incoloy monel, nickelchromium- iron alloys, HK alloys, stainless and heat resisting steels. Also for welding dissimilar metals such as carbon steels, stainless steels, nickel and nickel alloys to each other. For use on equipment and components made of pure nickel for fabrication of corrosion resistant tanks and containers, heat exchangers, furnace components, fittings, etc. Highly suitable for a wide range of dissimilar joint combinations between nickel base alloys and low alloy steels.
Electrode for welding high strength nodular cast iron
UTS: 32-43 kgf/mm2
Hardness 15-20 HRC
Electrode has easy and intimate fusion behavior with all types of cast irons. Hence best suited for welding and repairing all cast iron components, pump casings, valve flanges, foundry defects, correcting machining errors on castings and joining cast iron to steel.
Electrode for welding corrosion resistant duplex stainless steels
UTS: 70-84 kgf/mm2
For welding wrought, forged or cast duplex stainless steels for service in the as-welded condition. Offshore, oil/gas, chemical and petrochemical process industries e.g. pipe line systems, flow lines, risers, manifolds, etc.