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  1. anglisk

    Underground pipeline

    I would refer you to ASME B31.4, Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids design. Then refer you to Table 423.1-1 Material Standards (A106B is there).
  2. anglisk

    Low Design Temp for Piping

    Krausen, If the line is determined to be designed for temperatures less than -20F, proven notch toughness (at -50F if this is the design) of the materials of construction (if your case, probably carbon steel) is required, as well as the weld procedures used to join the materials together. This...
  3. anglisk

    In service welding

    Hi Dario, Depending on the weld procedure, you have to be careful that it is qualified properly. Codes in Canada that include in-service welding requriements include CSA Z662 for pipelines and API 2201, API 577 Section 11 and ASME PCC-2 for plants. However, weld procedures in the States...
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