Startup of the world’s first commercially successful gas-based direct reduction plant, Hylsa 1M, using the HYL Process.Production of flat products via the EAF, based on the use of DRI.
Batch charging of DRI to the EAF at 600°C.
Use of more than 30% DRI in an EAF charge, eventually increasing in stages up to 100% by 1972.
Continuous feeding of DRI to the EAF. Computerized EAF process control system put into use.
Use of Foamy Slag practices.
Design of pellets for direct reduction. First full scale testing and use of DRI as a BF-BOF feed.
Production of extra-deep drawing steels in EAF using DRI.
Start up of the HYL Process continuous shaft furnace in Monterrey.
HYL carries out first pilot operation of a direct reduction plant without external gas reformer.
Use of coating of pellet/lump ores for direct reduction.
HYTEMP pneumatic transportation system and hot DRI feeding to the EAF. First Zero kWh direct reduction plant begins operation at Vikram Ispat- Grasim HYL III plant, India.
HYL begins producing high carbon DRI with 3.0 to 5% carbon content.
Production of ultra thin (<1mm) hot rolled coils based on 100% DRI, with HYL plant and Hylsa CSP minimill.
World's first dual-discharge (DRI and HBI) plant design put into operation, Vikram (now WelspunMaxsteel) HYL plant, India.
Startup of first commercial scale HYL ZR Process plant, Hylsa 4M, Monterrey. Hot and cold DRI charging to the world's largest twin-cathode DC EAF.
HYL III Plant with water producing option starts up at Hadeed, KSA.
First plant to use 100% lump ore charge succesfully on a routine basis (Usiba HYL plant, Brazil). VikramIspat becomes second in 2006.
Successful economical design of Micro- Module (200,000 tpy) plants based on HYL ZR reformerless technology.
Successful design of HYL ZR process plants based on coal gasification and COG.
First coal gasification-based ENERGIRON DRI plant for Jindal Steel, India. This 2 Mtpy module is the largest plant of this kind ever to be built in the world.
ENERGIRON: Tenova HYL and Danieli team up to promote and develop the new technology for direct reduction plants. First 1.4-Mtpy integrated DRI-based minimill complex for ESI, Abu Dhabi, UAE, including a 1.6 Mtpy ENERGIRON DR plant with HYTEMP System. First HYL Micro-Module plant built, GSPI, Abu Dhabi, UAE.
Coming into force of a second DRI based minimill complex for Emirates Steel Industry (UAE) including an ENERGIRON DR plant which is a copy of the first ESI integrated plant.
Commissioning of the first ESI integrated steel plant successfully completed at the end of December. A further ENERGIRON plant for production of 1.9Mtpy of Cold DRI supplied for Ezz (Egypt) and first new generation Zero Reformer ENERGIRON plant for production of hot and cold DRI supplied for Suez (Egypt).
The world biggest ENERGIRON DR plant in a single module supplied for Nucor Steel with a 2.5 Mtpy design capacity.
Commissioning of second ESI integrated steel plant (UAE) successfully completed in March.
Danieli and Tenova HYL reconfirm their exclusive alliance for an additional 10 years.
Construction of the Thai-Chin Steel Plant