HARDFACING Mn-Ni

  • Tough, Work Hardenable Manganese Deposit
  • For Rebuilding and Reinforcing 11-14% Manganese Steels
  • Description and


    Applications

    HARDFACING Mn-Ni is a smooth running, AC/DC electrode whihc deposits an austenitic manganese steel weld metal for rebuilding and reinforcing matching manganese/nickel steels. Abrasion resistant weld deposits such as HARDFACING ARC 33 can be applied directly onto HARDFACING Mn-Ni. Typical applications include the reclamation of crusher rods and jaws, bucket lips and teeth, grizzlies, liners, crossings and other manganese steel components. These electrodes is not recommended for direct application onto mild or carbon steels - in this situation STAINARC 309L should be used as a "buffer layer".

    Deposit Properties

    HARDFACING Mn-Ni deposits a semi-stabilised, austenitic manganese steel weld metal that work hardens under impact conditions. As deposited weld are machinable, extremely taugh and offer excellent resistance to impact and high stress gouging type abrasion.

    Welding Manganese Steels

    When welding austenitic manganese steels the welding current should be kept as low as possible and widely spaced short runs should be employed. These measures will avoid local overheating and prevent embrittlement of the base metal. It may also be necessary to cool the component during welding either by partial immersion in water or by regular quenching.

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