Direct reduced iron (DRI) in various forms is described in the IMSBC Code. The latest addition, which became a mandatory part of the Code from January 2025, is the entry for the Type D. Intercargo, Burgoynes and the IG have developed this guideline.
Author: Capt. John
https://www.skuld.com/topics/cargo/dangerous/guideline-on-carriage-of-direct-reduced-iron-dri/