WRC 401:1995

$31.20

Underwater Wet Welding of Steel

Published By	Publication Date	Number of Pages
WRC	1995	45

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Category: WRC

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Description

Underwater wet welding is conducted directly in water with the shielded metal arc (SMA) and flux cored arc (FCA) welding processes. Underwater wet welding has been demonstrated as an acceptable repair technique down to 100 meters (325 ft.) in depth, but wet welds have been attempted on carbon steel structures down to 200 meters (650 ft.).

The water environment acts as a fast quenching medium which hardens to heat affected zone making it susceptible to hydrogen cracking. For this reason, it has been shown that the wet underwater welding technique is limited to steels of low carbon equivalent (CE < 0.40% wt.)

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