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ARF NX :Low Heat Input welding alloys for Reclamation and Repairs
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Description :ARF Purecast is low heat input welding alloys which have specially designed to prevent the formation of martensite in cast iron, Ni hard & Ni-resist type(Ni-hard VI/HI-chrome) base metals. Weld metal has excellent resistance to cracking with controlled parent metal dilution. The deposits are machinable and crack free.
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Application :For bufferlayer of all types of Iron, Ni-hard and Ni-resist The high crack resistance of the weld metal makes it most suitable surfacing alloy for Ni/hard.
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Procedures :
- Clean the area to be surfaced thoroughly,removing all oil, greaase, dirt etc.
- Adopt 'Stop gap' welding, restricting weld length to minimum.
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Technical Data :
UTS : 26-30Kgf/mm2 Hardness : 31-34 HRC
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Welding Data :
size (mm) : 3.15 x 350 4.00 x 350 Current (Amps) : 50-70 80-110