 LOW HEAT INPUT WELDING ALLOYS |
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» ANTI-WEAR AUSTENITIC MANGANESE STEEL ELECTRODE |
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DURANIC H - 26 |
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Worked hardening type of electrode. Tough overlays on Manganese & alloy steels. |
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Resistant to deformation & cracking during working. |
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Weld deposits machinable in as welded condition. |
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Hard facing of parts subjected to heavy impact & stress. |
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Prolonged working life even after simultaneously subjected to impact & abrasion. |
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For joining & surfacing of magnase steel parts of construction & earthmoving equipments like shovels, crushers, dragline buckets, buckets- teeth, excavator jaws.
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Hard facing parts subjected to heavy impact & wear. |
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Used on carbon steels as a cushioning layer for hard surfacing. |
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Ideal for building composite blanking & or punching dies. |
Technical Test Data:
Hardness : As welded 210 BHN After work hardening : 510 BHN
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3.15x350
4.00x350
5.00x350 |
70-110 110-160 150-190 |
| » HARD SURFACING WITH HIGH EFFICIENCY ELECTRODE |
DURANIC H - 27 |
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Metal recovery (efficiency) as high as
175%
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Superb for impact and abrasion.
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Excellent compressive strength. |
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Wear resistance & high hardness at elevated emperatures. |
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Deposits contain large volume fraction of carbides in a hard matrix, ensuring superb resistance to low stress scratching. |
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Dense & shining weld deposits resists sliding wear. |
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Easy arc control in horizontal position, no slag interference. |
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Parts subjected to abrasion & metal to weld wear with moderate impact temp. upto500°C. |
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Augers, screws, conveyors, scrapers, paddles & wear pads. |
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Cane knives, dozer blades, grinding mill liners, rubber ban burry mixing rollers & fin blades.
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Dredger pump casings, impellers, refractory press screw, boring tool bits, blast furnace, hoppers & bells. |
Technical Test Data:
Hardness : 600 BHN
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3 15 x 350
4.00 x 350
5.00 x 350 |
90-130 120-160 150-210 |
| » FERROUS ELECTRODE FOR WELDING CAST IRON ECONOMICALLY |
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DURANIC C - 31 |
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Welds on oil-soaked, oxidized or corroded, contaminated parts. |
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Non conductive coating prevents side arcing.
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Good colour match with cast iron. |
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Improved crack-resistable, economic electrode. |
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Non-machinable weld deposits but can be ground. |
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Nickel free deposits. |
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Welding cast iron or cast iron to carbon steel. |
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Repair of foundry defects requiring good finish & good colour matching. |
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Damaged & broken casting. |
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Used for welding guards on machine tools, motor & generator housings. |
Technical Test Data:
UTS: 47 kg/mm2
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3.15 x 350
4.00 x 350
5.00 x 350 |
70-120 100-150 150-190 |
| » NICKEL - IRON ALLOY ELECTRODE FOR CAST IRON WELDING |
| DURANIC C - 32 |
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All position electrode with controlled penetration. |
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High strength & extreme crack resistance with good machinability. |
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Can be surfaced on steel, malleable Iron. |
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Stable etc. finely rippled smooth weld beads. |
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Ideal for heavy & highly stressed castings. |
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Crack resistance properties. |
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For use on pump casing value bodies & flanges, motor covers, friction press ' discs. |
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Compressor bearing blocks. |
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Pumps, rope drums. |
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Foundry castings.
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Suitable for extreme fair penetration on contaminated surface without the help of buffer layer. |
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Hot & Cold welding on Cl parts, gray cast iron, nodular graphite iron, malleable iron subject to heavy wear. |
Technical Test Data:
Hardness : 185 BHN of pure deposits.
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3.15x350
4.00x350
5.00x350 |
80-120 100-140 110-170 |
| » EXTRA LOW TEMPERATURE WELDING OF CAST IRON |
| DURANIC C - 33 |
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Good weld ability & strength on Grey Ci malleable iron & for joining Cl to Steels & to Nickel Copper alloys. |
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Superb for out of position welding welding & ideal for cladding. |
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Minimum mixing up with base material.
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Gives ductile & highly machinable weld deposits. |
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Excellent for use in cast iron subjected to elevated temperatures & corrosive environment. |
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All position welding of cast iron. |
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Joining of cast iron without preheating & welding of Cl to mild steel. |
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Excellent to filling up foundry defects in
cast iron. |
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Repair of intricate cast iron parts. |
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Repair of Engine Blocks (water jacket), water pumps housing, machine tool castings, machine frames, cylinder blocks, gears. |
Technical Test Data :
Hardness : 170 BHN of pure depsit.
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3 .15 x 350
4.00 x 350
5.00 x 350 |
60-100
80-120
110-160 |
| » MAXIMUM CRACK RESISTANCE CAST IRON ELECTRODE |
| DURANIC C - 34 |
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Nickel alloy electrode, smooth & stable arc. |
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For shallow penetration for machinable welds on grey cast iron & for welding Cl to steel. Joints subjected to hydrostatic pressure. |
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Ideal for heavy Cl sections. |
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Excellent weld ability, preheat critical parta at 250°C, lightly peen to relieve stress. |
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Machine bases, pumps & differential
housing, cast iron dies.
Filling up cast iron cavities..
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Rectification of machining errors. |
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Rebuilding missing sections. |
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Joining cast iron to steel. |
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Welding of heavy wall thickness members of Cl & Steel to Cl. |
Technical Test Data:
UTS: 36 kg/mm2
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3.15x350
4.00x350
5.00x350 |
85-100 100-120 130-180 |
