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Repeat welding for limitless lives

Car body panel
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This cast iron die is used for cold drawing of car body panel parts in the automotive industry. Critical die areas are subject to metal-metal friction and these need to be regularly restored to size and form to guarantee accurately drawn parts. After preheating, machinable ductile welds are deposited using EnDOtec DO*23 with low heat input procedures. This rapid welding procedure may be used many times on the same die.

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Fix errors if needed

Cast iron die
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This cast iron die is used for cold drawing of car body panel parts in the automotive industry. Due to a machining error, a long shallow groove had been produced instead of a positive ridge. After searing the surface with an oxidising flame and wire brushing to remove graphite and oil residues, two layer bonding weld deposits were made with EutecTrode 2-23. This was followed with three layers of EutecTrode 2 and grinding to size.

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“Cold” welding cracked or broken automotive engine blocks

Automotive engine blocks
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  • Holes to be drilled to determine ends of the crack.
  • Preparation by gouging with ChamferTrode 03/04 or grinding of the cracked zone to be repaired.
  • Backstep weld the groove with dedicated Castolin Eutectic electrodes with immediate peening of each stringer bead after welding. Interpass temperature should be strictly kept at hand temperature (50 C).
  • If a wall section is holed, broken or missing, a thinner low carbon steel patch with rounded corners and edges, may be inserted instead and welded with XHD 2230 using the backstep procedure to repair the hole.
  • The repairs can be made leak-proof by either soldering or application of a MeCaTeC layer.
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Brochures
DO*23
Welding English
DO*23

Gas-shielded continuous electrode for low-heat-input semi-automatic joining, rebuilding and anti-wear protective coating of cast iron

EutecTrode 27
Welding English
EutecTrode 27

Non-machinable electrode for contaminated and porous cast iron. Use as a buffering layer before using other electrodes.

Chamfertrode
Welding English
Chamfertrode

Special manual electrodes for chamfering, gouging, and removal of old, worn or cracked metal, plus correction of casting defects