Cast iron is one of the difficult metals which can be welded. This becomes a nightmare for many owners. Since this material is more brittle it is nowadays used everywhere. Broken or damaged cast iron is not unusual. The process of welding cast iron rod or any things needs special care and the common pitfalls must be avoided to complete the process effectively. The main challenge of welding cast iron is its high carbon content in it. But its advantage is that it provides the cast iron its hardness. Also, it doesn’t get stretch or deform when it is heated or stressed. But it is not done properly the material may get damaged or cracked. Hence, using the best welding rod for cast iron is necessary.