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CAST IRON
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NEXA Nickel
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NEXA Nickel
AWS/SFA Classification: CAST IRON
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Applications
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Repair of broken heavy castings, machine bases, motor blocks, sprockets, valve bodies, impellers, pump casting and gears
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Joining and build up of grey cast iron and malleable iron
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Joining cast iron to steel
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Correcting machining errors on castings
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Suitable for thin walled grey cast iron
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Sliding tables for machine tools
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Building up on cast iron parts exposed to corrosive liquids
Characteristics
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Graphite based coating
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High Ni alloyed electrode
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Minimum base metal dilution and penetration
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Electrode welds cast iron the cold way
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Soft, ductile and machinable weld with adequate strength
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No need of preheating even for large complicated castings
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Easy and intimated fusion with all grades of cast iron
Typical Weld Metal Chemistry (%)
C
Mn
Si
Fe
Ni
Cu
<2
<2.5
<4
<8
>93
<2.5
Mechanical Properties
UTS (MPa)
YS (MPa)
El%
Hardness (BHN)
276-448
262-414
3-6
135-218
Welding Parameters
AC (70 OCV)/ DCEP
3.15 x 350 mm
4.0 x 350 mm
70-100
110-140
Packaging
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Standard carton packing of 10 kg box containing 1 cartons of 10 kg each.