Mandrel Bars are one of the key pieces of tooling required during the production of Seamless Tubes and Pipes.
Mandrel Bars are one of the key pieces of tooling required during the production of Seamless Tubes and Pipes. Once the billet has been pierced, the Mandrel Bar supports the tube shell internally during elongation and wall thickness reduction.
Over the past 20 years, API Engineering has supplied thousands of Mandrel Bars to Steel Mills across the world, built great partnerships and a reputation as a trustworthy, high-quality supplier.
Our Mandrel Bar capabilities include, but are not limited to:
We can also custom design your Mandrel Bars to improve cooling, concentricity and transportation costs.
For the production of Mandrel Bars, the material that is most commonly requested is AISI H13, although this can be changed to meet your specific requirements.
Our Mandrel Bars are manufactured using the following processes:
Once the mandrel bars have passed inspection they are suitably packaged and shipped directly to the steel mills.
Full documentation is provided with every bar and third party inspection is available if required.