Metal Surgery of Cast Iron | RA Power Solutions

Cast iron is widely used in heavy industries and marine equipment because it is strong and can withstand high temperatures. However, even strong cast iron parts can crack or break over time due to accidents, overloading, continuous stress, poor lubrication, or normal wear and tear. If these issues are not repaired properly, they can cause serious machine failure, long shutdowns, and high replacement costs.

At RA Power Solutions, we specialize in repairing damaged cast iron through advanced metal surgery and crack repair techniques. Our methods restore the strength and performance of components without the risks and limitations associated with conventional welding.

Metal Stitching

Recently, a major shipping company operating in the Middle East contacted us for support. One of their auxiliary engines, a Daihatsu 6DK20, was damaged in an accident. The failure of a connecting rod bolt caused the engine block window where the cover is mounted to break into several pieces.

Cast Iron Metal Surgery

Metal surgery is a set of cold repair methods used to fix cracked or broken cast iron parts without applying high heat. Unlike welding, which can cause distortion due to excessive heat, metal surgery maintains the original shape, alignment, and dimensions of the component. These repair techniques include metal stitching and metal locking, cold stitching, brazing, fusion methods, and controlled stress-relief treatments.

we quickly manufactured the required casting and sent two of our technicians onboard the vessel. The cast iron engine block was repaired in a very short time, and since then, the engine has been running smoothly and reliably.

We are equipped with the latest tools and technology for cast iron repair. Our goal is to restore diesel engine components to their original shape and working condition. The metal stitching and metal locking methods we use often provide strength equal to or greater than the original casting.

Metal Stitching is in process

Repairing cracks in cast iron requires expertise and a method chosen according to the type and extent of the damage. By using advanced metal surgery techniques such as cold stitching, metal stitching, brazing, fusion welding, and stress-relief heat treatment, damaged cast iron parts can be effectively repaired and returned to reliable service.

For more details regarding metal stitching and metal locking, metal surgery of cast iron, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

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