Duplex Steel Pipe Fitting
Eckhardt Steel & Alloys is a known manufacturer of Duplex Steel UNS S32205 / UNS S31803 Butt Weld Pipe Fittings, which is stronger and tougher than standard austenitic steels. Duplex Steel UNS S32205 Pipe Fittings is also resistant to chloride SCC at temperatures of up to about 150ºC. The high oxidation resistance property of Duplex Steel UNS S31803 Pipe Fittings is marred by its embrittlement above 300°C. Duplex Steel UNS S32205 Butt Weld Fittinghas good low temperature toughness. Duplex Steel UNS S31803 Butt Weld Fittings has a maximum hot forming temperature between 2010°F and 2100°F (1100°C to 1150°C). Duplex Steel 2205 Pipe Fittings is a restricted-chemistry version which maintains molybdenum, chromium, and nitrogen content at higher levels. Duplex Steel 2205 Butt Weld Fittings is often used in Chemical, Material handling, Desalination, Oil and Gas extraction, etc. Oxyacetylene welding in Duplex Steel UNS S32205 Tee is not recommended because carbon pickup in the weld metal may occur. Hot working of these Duplex Steel UNS S31803 Reducer under room temperature is recommended whenever possible.
