Adrian Steel Launches New Composite Partition Adrian Steel recently launched a composite partition for cargo van owners.RS Staff ⋅ May 9, 2016 The new composite partition from Adrian Steel Adrian Steel recently launched a composite partition for cargo van owners. The partition is designed to offer more value than the traditional steel partitions by quieting the cab area, adding legroom, and optimizing climate control. Adrian Steel’s new line of composite partitions prioritizes the comfort of the driver. Adrian Steel composite partitions are now available for Transit low roof and Transit Connect. Partitions for other vehicle models are due to be released soon.