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Foundry Defect Welding
Foundry Defect Welding is the specialized process of restoring castings that contain defects formed during the metal casting process. Instead of scrapping expensive cast components, welding is used to repair and recondition them to meet required dimensional and structural standards.
At Trishul Welding Solutions Pvt. Ltd., we provide expert foundry defect identification, welding repair, finishing, and requalification for cast iron, cast steel, SG iron, aluminium, bronze, and other cast materials.
Cast Iron (CI)
Ductile / SG Iron
Cast Steel
Alloy Castings
Aluminium Castings
Bronze & Brass Castings
Manganese Steel (with specialized process)
Defect identification (visual, grinding, DPT, radiography if required)
Proper removal of defective area
Preheating (if applicable) for CI/SG iron & cast steel
Selection of correct filler rod/electrode
Controlled welding with minimum heat input
Peening between weld passes to relieve stress
Slow cooling in insulation or furnace
Grinding/Machining to final size
Quality inspection & testing
Saves cost by repairing expensive castings
Restores structural integrity
Extends service life of cast components
Prevents downtime in manufacturing
High welding accuracy and finishing quality
Ability to handle small, medium, and heavy castings
Foundries & casting units
Automotive & heavy engineering
Pumps & valve manufacturing
Agriculture & earthmoving equipment
Railways & defence
Chemical & process industries
Power generation & utilities