| A task group of ASTM Subcommittee G01.09 on corrosion in natural waters is conducting a seawater exposure programme for high-magnesium aluminium alloys used in marine vessels and structures. Part of Committee G01 on corrosion of metals, the subcommittee seeks participation from the aluminium and ship-building industries, marine classification societies, naval architecture and marine engineering firms, as well as marine regulatory agencies.
The group initiated the programme in response to requests from Aluminium Association International and ASTM Subcommittee B07.03 on aluminium alloy wrought products, for corrosion information on aluminium sheet products in alloys such as 5083, 5086, and 5456 in currently produced tempers in natural environments. Task-group chairman, Mr Jack Snodgrass, encourages individuals to participate: "Meetings will commence shortly using the virtual meeting format," he said. "Subcommittee B07.03 will use the results in the ongoing evolution of new B928, standard specification for high-magnesium aluminium-alloy sheet and plate for marine service�. ASTM Committee G01 will be held in November 19-21, 2003, and ASTM Committee B07 on light metals and alloys will meet in November 17-19, 2003, both in Tampa, Florida, USA.
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