Data Services by GTT

The principle aim of our thermochemical data supply service is to satisfy our customers needs for consistent, carefully assessed data of known quality in an easily usable form.

GTT offers comprehensive data services to the customers by its extensive resources and partners associations in two forms:

  • Complete Databases from internationally recognised sources (view the FactSage Database Documentation)
  • Customized data files (view the Custom Data section)

The service is established on many years of practical experience in the field of technical thermochemistry, including supply of data to a large customer base.

The co-operation with FACT/CRCT, Montreal, has not only lead to the development of FactSage but also enables us to incorporate the extensive FACT database into our suite of data sources from which to generate customised datafiles.

Being members of SGTE permits us to offer the extensive databases of SGTE and to use them as sources on which to base the work on customised datafiles. Furthermore, we cooperate with The Spencer Group, another member of SGTE.


We offer databases for applications in the following areas:

Our databases can help you to design from scratch new ceramic materials and metallic alloys with improved properties, including high entropy alloys. You will go beyond the present material design paradigms!

Many Databases may be used to perform calculations in this application area. Some examples are:

  • FTcopp – FactSage copper alloy database
  • FTlite – FACT light metal alloy database
  • FTmisc – FACT sulfide, alloy and miscellaneous database
  • FTOxCN – FACT metals, oxides, carbides and nitrides database
  • FToxid – FACT oxide database
  • FSstel – FactSage steel alloy database
  • SGnobl – noble metal alloy database
  • SGPS – SGTE 2018 pure substance database
  • SGTE – SGTE 2017 alloy database
  • SpMCBN – metal borides and nitrides alloy database

If you wish to look at some applications in the area of “Alloy and Material Design”, please visit our blog.


If you need to predict which phases are expected in a newly developed alloy or to optimize the phase constitution of an existent alloy, our specialized databases will help you at this task. This applies to both solidification during casting or welding and to heat treatment processes.

Many Databases may be used to perform calculations in this application area. Some examples are:

  • FTcopp – FactSage copper alloy database
  • FTlite – FACT light metal alloy database
  • FTmisc – FACT sulfide, alloy and miscellaneous database
  • FTOxCN – FACT metals, oxides, carbides and nitrides database
  • FToxid – FACT oxide database
  • FSstel – FactSage steel alloy database
  • SGnobl – noble metal alloy database
  • SGTE – SGTE 2017 alloy database
  • SGsold – SGTE solder alloys database
  • SpMCBN – metal borides and nitrides alloy database

If you wish to look at some applications in the area of “Microstructure Control”, please visit our blog.


In process metallurgy one often needs to investigate multiphase, multicomponent equilibria, when the gas, liquid and solid phases may coexist. The thermal balance is also a matter of concern in metallurgical process design. In these complex situations, our software coupled with the right set of databases can provide useful help!

Many Databases may be used to perform calculations in this application area. Some examples are:

  • FThall – FACT database for Hall aluminum process
  • FThelg – FACT database for ideal and non-ideal aqueous solutions
  • FSlead – FACT database for Lead alloys
  • FTlite – FACT light metal (Al, Mg, Ti) alloy database
  • FTmisc – FACT sulfide, alloy and miscellaneous database
  • FTOxCN – FACT metals, oxides, carbides and nitrides database
  • FToxid – FACT oxide database
  • FTsalt -FACT salt database
  • FSstel – FactSage steel alloy database
  • SGTE – SGTE 2017 alloy database
  • SGPS – SGTE 2018 pure substance database

In the broad area of process metallurgy, depending on the specific sub-area, there are different databases which are most adequate for each sub-area. We may stratify these sub-areas and corresponding databases as follows:

  • Hydrometallurgy: FactPS, FTmisc, FThelg
  • Electrometallurgy: FTsalt, FThall
  • Pyrometallurgy:
    • ferrous alloys: FSstel, FTmisc, FToxid, FactPS
    • non-ferrous alloys: FScopp, FTlite, FTmisc, FToxid, FactPS

If you wish to look at some applications in the area of “Process Metallurgy”, please visit our blog.


In the areas of gasification and combustion technology, our databases will help you to avoid undesired phases and to keep the thermal balance under control. They are invaluable when designing new processes in the areas of energy generation and energy conversion.

Many Databases may be used to perform calculations in this application area. Some examples are:

  • FactPS – FACT pure substances database
  • FTmisc – FACT sulfide, alloy and miscellaneous database
  • FToxid – FACT oxide database
  • FTsalt -FACT salt database
  • SGPS – SGTE 2018 pure substance database

If you wish to look at some applications in the area of “Combustion and Gasification Technology”, please visit our blog.

If you are only interested in phase diagrams without their Gibbs energy background then you should visit the consulting section of this website.