Mandrel is the main rolling tool during seamless pipe rolling process, and it has significant influence on product quality and rolling cost.The core rod consumption cost in hot rolling set is more than 50% of total tools consumption of the production line.
The composite core rod developed by the company can greatly reduce the cost of rolling without lowering product quality, and it can also shorten the procurement cycle of seamless steel pipe. The manufacturer can select the core rod types according to mill types and the actual production conditions.
