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Title: Choosing A Welding Process For LNG Piping And Vessels
Author: Albert B. Crichton
Source: American Gas Association 1975
Year Published: 1975
Abstract: An ideal pressure vessel or piping system would be made from one piece of metal and would have no joints or splices. Since configuration, arrangement for outlets and inlets, requirements for flow control and measuring devices, etc., make this impossible, a vessel or piping system in most of todays processes must be fabricated from many components. Thanks to todays welding technology it is possible to join these components with strength and reliabihty equivalent to that of the base metals. Some process installations require excellent welds which border on perfection so that the welds are indeed as strong and reliable as the base metals. Liquefied Natural Gas (LNG) Facihties certainly are in this catagory. LNG is stored and transported at about minus two hundred and sixty degrees Fahrenheit.