International non-profit association of national organizations concerned with the properties of water and steam
Advancing global knowledge of water, steam, and aqueous systems through international collaboration, while freely sharing critical scientific insights that drive industrial innovation and research excellence.
The IAPWS 2025 Annual Meeting in Helsinki was a great success, with approximately 70 participants for the meeting week and nearly 100 attendees at the Symposium on "Industrial Boilers, Flue Gas Condensate and Future Technologies".
Interested individuals, whether or not they reside in a member country of IAPWS, are welcome to participate in the various IAPWS Working Groups.
Current Members are Australia, Britain and Ireland, Canada, Czechia, Germany and Switzerland, Italy, Japan, New Zealand, Nordic IAPWS (Denmark, Finland, Norway, Sweden), and the United States, plus Associate Members Argentina & Brazil, China, Egypt, France, Greece, India, Israel, and the Netherlands.
