Laser-welding technology advances

10/09/2000
Bouygues Offshore SA's tests of offshore orbital laser welding of a 12-in. pipe was part of a research project supported by the European Commission. Photo courtesy of the EC.Click here to enlarge imageBouygues Offshore SA is developing its own scheme for use in J and S offshore pipelay based on high-powered, laser-beam welding (LBW) technology. Use of carbon dioxide LBW in order to execute high-speed welds in applications with small thicknesses is relatively commonplace, says Bouygues Offshore.Also available, however, are compact CO2 lasers of up to 20 kw that allow welds in applications with higher wall thicknesses while realizing the same benefits of using LBW-namely, high rate of...
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