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Electrodes - NI-55 Nickel


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Electrodes - NI-55 Nickel

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  • Weldcote Metals NI-55 electrodes are used for welding of cast irons to themselves as well as for joining cast irons to mild steels.
  • NI-55 is also employed for the repair of castings. The welds are moderately hard and require carbide tipped tools for machining.
  • A preheat and interpass temperature of not less than 350 degrees Fahrenheit is required during welding. Nickel 55 has a lower nickel content than Nickel 99 electrodes (nominally 55%).
  • Weld deposits are usually machinable, but under conditions of high admixture, the welds can become hard and difficult to machine. Nickel 55 welds are stronger, more ductile and more tolerant of phosphorus in the casting. It also has a lower coefficient of expansion than Nickel 99 resulting in fewer fusion line cracks.
  • Nickel 55 is usually used to repair castings with heavy or thick sections such as motor blocks, housings, machine parts, frames, defective castings and building up worn sections. Procedure: AC or DC, all position. A preheat and interpass temperature of no less than 350 degrees Fahrenheit is required during welding. Lightly peen between passes and use a skip or back-step welding technique. Allow casting to cool slowly.

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#: 516 Catalog Page: 71
order Part Number Product Description Size UPC Number Standard Carton

Nickel Electrodes 55 (AWS Class ENiFe-CI)

order NI55332E Ni 55 3/32 electrode 3/32 Electrodes NICKEL ELECTRODES 877511003864 4-10 lb tubes in 40 lb ctn SDS Spec Cert
order NI5518E Ni 55 1/8 electrode 1/8 Electrodes NICKEL ELECTRODES 877511003871 4-10 lb tubes in 40 lb ctn SDS Spec Cert
order NI55532E Ni 55 5/32 electrode 5/32 Electrodes NICKEL ELECTRODES 877511003888 4-10 lb tubes in 40 lb ctn SDS Spec Cert
order NI55316E Ni 55 3/16 electrode 3/16 Electrodes NICKEL ELECTRODES 877511003895 4-10 lb tubes in 40 lb ctn SDS Spec Cert



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