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8992.4655S - Josef C34 4.0mm Machinable Cast Iron Welding Rods

Packaging: 5kg tube
$84.91/kg $409.90/5kg tube only $81.98/kgSave 3%

In stock

OVERVIEW

Premium Cast Iron Repair with Josef C34

The Josef C34 4.0mm Cast Iron Stick Electrode is a specialized maintenance and repair consumable designed to tackle the unique challenges of welding cast iron. Cast iron is notoriously difficult to weld due to its high carbon content and brittleness, often leading to cracking during the cooling phase. The Josef C34 is engineered with a sophisticated flux coating and a high-grade core wire that promotes a soft, stable arc and produces a weld deposit with exceptional ductility. This ductility is crucial as it allows the weld metal to yield during contraction, significantly reducing the stress transferred to the heat-affected zone (HAZ) and minimizing the risk of cracking.

This 4.0mm electrode is ideal for heavier sections of cast iron where higher deposition rates are required. It is formulated to be fully machinable, making it the perfect choice for repairing components that require post-weld facing, drilling, or tapping. Whether you are working on grey cast iron, malleable iron, or nodular iron, the Josef C34 provides a strong, non-porous bond. The electrode operates smoothly on both AC and DC currents, offering excellent restrike characteristics and easy slag removal, which is essential for multi-pass welding operations.

Industrial maintenance teams rely on the Josef C34 for its versatility and reliability. It is particularly effective in joining cast iron to steel, a common requirement in machinery repair. The electrode's chemistry is balanced to tolerate contaminated surfaces better than standard nickel rods, although proper surface preparation is always recommended for optimal results. With the Josef C34, you ensure the longevity of expensive castings and reduce downtime associated with part replacement.

Additional Information
Packaging Description:5kg tube
Weld Process:Electrode
Grade:Cast Iron
Packaging:5kg tube
Brand:Josef
Diameter:4.0mm
Position:All Position
Polarity:DC+ / AC, DCEP, AC
Rod Type:Stick
Core Material:Cast Iron Alloy
Welding Position:All Position
Applications:Cast iron repair, Engine blocks, Machining
----- new values below ----
Rod Type:Stick
Core Material:Cast Iron Alloy
Diameter:4.0mm
Welding Position:All Position
Applications:Cast iron repair, Machining, Engine blocks
Polarity:AC, DCEP
brand:josef
diameter:4-0mm
grade:cast-iron
weld-process:electrode

INCLUDED

  • 1 x Package of Josef C34 4.0mm Cast Iron Stick Electrodes

APPLICATIONS

  • Repairing cracks in engine blocks and cylinder heads.
  • Welding pump housings and impellers.
  • Fixing cast iron gears and transmission cases.
  • Joining cast iron to steel.
  • Maintenance of agricultural and industrial machinery.
  • Rebuilding worn surfaces on cast iron parts.

FAQ

It is suitable for grey, malleable, and nodular (ductile) cast iron.

Yes, the Josef C34 produces a fully machinable deposit, allowing for drilling, tapping, and milling after welding.

While specific settings depend on the machine, 4.0mm cast iron rods typically run between 90-130 Amps. Start low and increase as needed.

Preheating (around 500°F) is beneficial for thick sections to reduce thermal shock, but the C34 is designed to work with low-heat input techniques as well.

Yes, the Josef C34 is excellent for joining cast iron to mild steel.

These electrodes generally operate best on DCEP (Reverse Polarity) or AC.

Store in a cool, dry place. If exposed to moisture, re-baking may be required to prevent porosity.

While cleaning is always best, the C34 flux is designed to help lift impurities, making it more forgiving on used parts than standard rods.