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Welding Process For Cast Iron. The most common method of cast iron welding is stick or arc welding. Generally preheated welding is performed by heating the cast iron from 500 to 1200 degrees.
Instead the slower the whole component cools the better. Other welding processes can be used for cast iron. All castings are pre-heated at a controlled rate until the optimum welding temperature is reached.
C ast iron is not impossible to weld although many that attempt to do so end up with cracked welds.
The most common method of cast iron welding is stick or arc welding. Due to thermal expansion heat control is a necessary factor. At this temperature the iron inside the metal gets stretched preventing it from cracking. C ast iron is not impossible to weld although many that attempt to do so end up with cracked welds.