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Fig 1 – A metallurgical engineer verifies hydrogen-based DRI material beside freshly produced briquettes. The ST11-J displays iron purity, residual carbon level, oxygen percentage, and certified carbon intensity data before shipment approval to a green steel facility.
Industry Perspective: Hydrogen direct reduced iron (H2-DRI) is rapidly reshaping the global steel supply chain. Steelmakers are no longer purchasing raw iron solely by tonnage — they are buying certified low-carbon feedstock with traceable emissions data and verified metallurgical quality. As green steel premiums continue rising, every DRI shipment now requires secure digital certification tied directly to the material itself. Paper certificates and disconnected spreadsheets create risk, delay, and disputes. Modern green steel production requires rugged mobile systems capable of linking RFID-tagged material lots with laboratory analysis, carbon footprint documentation, renewable hydrogen verification, and delivery traceability in real time.
By HOTUS Technology | Green Steel & Industrial Traceability Solutions | 2026
The steel industry is undergoing one of the largest industrial transitions in modern manufacturing history. Hydrogen direct reduction technology is replacing coal-intensive blast furnace production with low-carbon ironmaking powered by renewable energy.
Green DRI production facilities are expanding rapidly across Europe, the Middle East, and Asia. Projects led by Hybrit, Salzgitter, HBIS, and multiple Gulf-region hydrogen developers are accelerating global output capacity. Analysts expect annual hydrogen-based DRI production capacity to exceed 50 million tonnes before 2030.
Yet as production scales, a new challenge is emerging throughout the green steel supply chain: trusted product certification and carbon traceability.
Not all DRI material has the same environmental footprint or metallurgical quality. Final properties depend heavily on:
Steelmakers purchasing premium green iron increasingly require proof that every delivered lot meets both emissions targets and metallurgical specifications. A missing certificate or unverifiable carbon declaration can downgrade premium DRI into ordinary commodity iron.
Traditional paper documentation creates multiple operational risks:
As a result, the green steel sector is moving toward RFID-enabled digital material passports linked directly to each DRI shipment.
The Hotus ST11-J 10.1” Windows Rugged Tablet is designed for industrial quality verification and low-carbon material certification workflows.
Inside the DRI production facility, metallurgical engineers use the ST11-J to connect directly with laboratory analysis equipment and portable spectrometers. The tablet records and verifies:
Once verified, the ST11-J generates a secure digital material certificate linked to the shipment’s RFID tag. The certificate includes:
This creates a fully traceable digital passport that follows the DRI material from reduction plant to steel mill.
The rugged tablet design supports continuous operation in harsh steelmaking environments including dust exposure, vibration, elevated temperatures, and outdoor logistics yards.
Fig 2 – A steel mill operator scans an RFID-tagged DRI shipment using the F502 handheld PDA before furnace charging. The display confirms carbon intensity, metallurgical compliance, and renewable hydrogen certification for the incoming lot.
At the receiving facility, steelmakers use the Hotus U9000 Industrial PDA to validate incoming DRI shipments before furnace charging.
By scanning the RFID tag attached to each briquette bag or pallet, operators can instantly retrieve:
The system allows steelmakers to automatically approve or reject incoming material based on internal emissions targets and furnace quality requirements.
This reduces dependence on time-consuming manual verification and minimizes the need for repeated laboratory testing at the receiving plant.
For high-volume warehouse operations, the Hotus F502 RFID PDA enables long-range pallet-level scanning, allowing operators to validate multiple DRI lots simultaneously during unloading and inventory processing.
Managing low-carbon iron inventory across multiple suppliers requires centralized visibility. The Hotus ST11-U 10.1” Windows Rugged Tablet provides operations managers with a real-time dashboard for incoming certified DRI material.
The ST11-U visualizes:
If a shipment arrives without valid certification or fails emissions criteria, the system immediately flags the material for secondary laboratory inspection before furnace use.
Fig 3 – A procurement manager reviews incoming DRI shipments on the ST11-U dashboard. Suppliers are ranked by carbon intensity, certification status, and material quality consistency across multiple steel production lines.
A hydrogen-based DRI producer supplying more than 500,000 tons annually to multiple electric arc furnace operators deployed:
Following implementation, the company achieved:
Steel producers also reported smoother ESG reporting workflows because material-level carbon data was already integrated into digital receiving records.
Low-carbon steel production depends on more than renewable hydrogen. It requires trusted, verifiable material certification throughout the entire supply chain.
Without digital verification, green DRI loses its premium value.
The ST11-J, U9000, F502, and ST11-U provide steelmakers and DRI producers with a rugged digital platform for:
As the global steel industry moves toward carbon-accountable manufacturing, traceable material data will become just as important as the iron itself.
Contact HOTUS Technology to discuss hydrogen DRI certification systems, RFID-enabled green steel traceability, low-carbon material verification workflows, or pilot deployments using the ST11-J, U9000, F502, and ST11-U rugged Windows platforms.
