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- October 27, 2025
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Engine blocks, casting and most of the parts are manufactured of common materials like cast iron. Cracks developed in cast iron parts are most difficult to repair by the welding process, as it needs pre-heating of the cast iron prior to welding. In certain cases, it can cost additional stress, resulting in damage of casting.
It is proven that metal stitching and metal locking have the advantage of repairing cracks in cast iron casting due to the cold process using different profiles and materials of stitching pins and locks without applying any heat, as in the case of welding.
Why Choose RA Power Solutions?
We undertake metal stitching and metal locking of casting and have successfully repaired various major components of a high-capacity diesel engine.
The application includes repair of the engine block, Cylinder Head, and Generators. Turbo Chargers, Turbine Casing, Gear Box Housing, Pump Casings, Compressor Crank Cases, Forgings Hammer, Lathe / Press/ Milling/Boaring, etc. M/c. Other all Casting equipment, etc.
In the last 46 years, more than 10,000 jobs of crack repair have been successfully executed.
RA Power Solutions is proud to say that we have a dedicated team of specialists who specialise in metal lock and metal stitching repairs. We promise good performance on all of our jobs and have shown to be cost-effective and can deploy our team of professionals and consumables on short notice. We have recently expanded these services to Dubai, Greece, Maldives, Malaysia, Singapore, Madagascar, Nigeria, South America, UAE, Germany, Monaco, Qatar, Sri Lanka, Bangladesh, Italy, Spain, Czech Republic, UK, Nepal, Philippines, Jordan, Libya, Kuwait, Egypt, Morocco, Yemen, Bahrain, Tunisia, Sudan, Oman, Algeria, Saudi Arabia, Iraq, and others.
For more details regarding crack repair by metal stitching, engine block repair, cold metal lock stitching, and cast iron by metal lock & metal stitching, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.
FAQs:
Metal stitching is a cold repair method that uses interlocking pins and locks to repair cracks in cast iron or steel without heat, preventing distortion.
Unlike welding, metal locking does not generate heat, avoiding shrinkage or distortion and preserving the original structure of the metal.
Yes, RA Power Solutions performs on-site metal stitching and locking, often without dismantling the equipment.
Cracked engine blocks, cylinder heads, turbine casings, gearbox housings, pumps, and other cast components.
Yes, repairs are long-lasting with restored structural integrity and minimal impact on component alignment.