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CI 55

CI 55

Nickel alloy flux-cored wire for highstrength, crack-resistant welding of all cast irons.

PRODUCT DESCRIPTION:

CI 55 is a nickel alloy flux-cored wire designed for high-strength welding of nodular iron. This advanced alloy provides superior weld joints in grey, malleable, nodular (SG Iron), and alloy
cast irons such as Ni-resists. It offers exceptional crack resistance, excellent weldability, and good machinability.

 

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Applications

ALLOYING ELEMENTS:

C, Si, Mn, Fe, Ni

HARDNESS:

160 – 190 BHN

PACKAGE SIZES:

Spool- 15, 25
Drum- 200-250 Kg

 

 

 

DIA(Ø) 1.6 2.0 2.4 2.8
VOLTAGE 24-26 25-28 26-28 27-30
AMPERAGE 180-220 220-250 260-300 300-340

Product Specification

• High-strength nickel alloy formulation
• Exceptional crack resistance
• Excellent weldability and machinability
• Superior performance on contaminated surfaces
• Works without a buffer layer

• Nickel-rich alloy with elements enhancing strength, ductility, and corrosion resistance in cast iron welds.

• Thoroughly clean the weld area and remove all oil and grease before starting.
• Preheating is not necessary, but heavy and complex sections should be preheated to 100°C – 200°C.

• Machine beds, pump casings, valve bodies, valve flanges, bell housings, motor covers, friction press discs, and repair of contaminated cast iron surfaces.

• Use short-length weld beads (up to 50 mm).
• Peen the weld deposits while hot to reduce stresses.
• Post-Welding: Allow slow cooling after welding using insulating materials such as vermiculite or heat-retardant blankets.

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