Pioneering Achievements

  • 1957

    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.
  • 1958

    Batch charging of DRI to the EAF at 600°C.
  • 1965

    Use of more than 30% DRI in an EAF charge, eventually increasing in stages up to 100% by 1972.
  • 1968

    Continuous feeding of DRI to the EAF. Computerized EAF process control system put into use.
  • 1969

    Use of Foamy Slag practices.
  • 1970

    Design of pellets for direct reduction. First full scale testing and use of DRI as a BF-BOF feed.
  • 1972

    Production of extra-deep drawing steels in EAF using DRI.
  • 1980

    Start up of the HYL Process continuous shaft furnace in Monterrey.
  • 1984

    HYL carries out first pilot operation of a direct reduction plant without external gas reformer.
  • 1988

    Use of coating of pellet/lump ores for direct reduction.
  • 1993

    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.
  • 1994

    HYL begins producing high carbon DRI with 3.0 to 5% carbon content.
  • 1995

    Production of ultra thin (<1mm) hot rolled coils based on 100% DRI, with HYL plant and Hylsa CSP minimill.
  • 1997

    World's first dual-discharge (DRI and HBI) plant design put into operation, Vikram (now WelspunMaxsteel) HYL plant, India.
  • 1998

    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.
  • 1999

    HYL III Plant with water producing option starts up at Hadeed, KSA.
  • 2000

    First plant to use 100% lump ore charge succesfully on a routine basis (Usiba HYL plant, Brazil). VikramIspat becomes second in 2006.
  • 2001

    Successful economical design of Micro- Module (200,000 tpy) plants based on HYL ZR reformerless technology.
  • 2003

    Successful design of HYL ZR process plants based on coal gasification and COG.
  • 2006

    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.
  • 2008

    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.
  • 2009

    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).
  • 2010

    The world biggest ENERGIRON® DR plant in a single module supplied for Nucor Steel with a 2.5 Mtpy design capacity.
  • 2011

    Commissioning of second ESI integrated steel plant (UAE) successfully completed in March.
  • 2012

    Danieli and Tenova HYL reconfirm their exclusive alliance for an additional 10 years.
  • 2016

    Construction of the Thai-Chin Steel Plant
  • 2020

    Danieli and Tenova HYL reconfirm their alliance!