H-O-T history

1965: Opening of the DEUTSCHE EDELSTAHLWERKE (DEW) heat treatment shop for tools in Nuremberg

1972: Opening of the EDELSTAHLWERKE WITTEN AG (ESW) heat treatment shop for tools in Nuremberg

1975: Merger of DEW and ESW to form THYSSEN EDELSTAHL-WERKE AG at the current Nuremberg site

1988: Beginning of PVD coating in Nuremberg and simultaneous founding of H-O-T hardening and surface technology as a division of THYSSEN EDELSTAHLWERKE in Germany and abroad

1992: H-O-T Thyssen Edelstahlwerke is expanded with the foundation of the Service Centre in SCHMÖLLN, Thuringia

1994: Management buy-out of H-O-T from THYSSEN STAHL AG by Dipl.-Ing. Jürgen Bach, Managing Partner, to become H-O-T GmbH & Co. KG

1997: Dipl.-Phys. Frank-Peter Bach also becomes a managing partner

1999: H-O-T is expanded with the foundation of the Service Centre WERL, near Dortmund

2000: H-O-T is expanded with the foundation of the Service Centre ALBERSHAUSEN, near Stuttgart

2001: Acquisition of WOLF HÄRTETECHNIK GMBH and foundation of EB-HÄRTETECHNIK

2005: H-O-T is expanded with the foundation of the H-O-T Tribotechnik GmbH & Co. KG Service Centre BUTTENHEIM, located between Nuremberg and Bamberg

2006: Foundation of H-O-T Plant Engineering on Gundelfinger Straße in Nuremberg
2006: Launch of H-O-T Coating Center in Bursa (Turkey)

2007: Opening of the H-O-T-Center Allgäu in Memmingerberg

2008: Expansion of H-O-T Tribotechnik GmbH & Co. KG in Buttenheim

2012: New building at H-O-T Plant Engineering on Gundelfinger Straße in Nuremberg

2013: Still in business aged 75. Our senior boss celebrates his birthday.

2014: Commissioning of the H-O-T vacuum furnaces with the possibility of helium quenching

2015: H-O-T takes over Härtetechnik Fellbach

2016: Opening of a new H-O-T Coating Center on Gundelfinger Straße in Nuremberg

2016: H-O-T übernimmt die HWH-Härtetechnik Witten – diese wird zu HWH Härte- und Oberflächentechnik

2022: H-O-T übernimmt die HWH-Härtetechnik Witten – diese wird zu HWH Härte- und Oberflächentechnik
2022: H-O-T übernimmt die H+W Härte- und Werkstofftechnik GmbH – diese wird zur H+W Härte- und Oberflächentechnik Eppingen GmbH & Co. KG
2022: H-O-T übernimmt die H+W Arnstadt GmbH – diese wird zur H+W Härte- und Oberflächentechnik Arnstadt GmbH & Co. KG