Welded Low Temperature Carbon Steel Pipe and Tube Suppliers

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Tips for Selecting the Right Welded Low Temperature Carbon Steel Pipe and Tube

When selecting materials for low temperature piping systems one of the most important factors is the notch toughness, as low temperature equipment failures are generally due to a notch or some sort of a stress concentration. Charpy V-Notch testing is a good way to understand a materials resistance to stress concentrations. V-Notch testing measures a materials ability to absorb energy and therefore represents the materials ability to resist failures at points of stress concentration. Welded Carbon Steel Pipe materials that exhibit the best notch testing results are ASTM A333, ASTM A334 and ASTM A671, and hence these are the most commonly used materials for low temperature services. That is not to say that other materials are used, however low temperature suitability needs to be thoroughly tested.

Standards applicable to Welded Low Temperature Carbon Steel Pipe and Tube

 

ASTM International (ASTM)

  • ASTM A333/A333M, Seamless and Welded Steel Pipe for Low-Temperature Service
  • ASTM A334/A334M, Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service
  • ASTM A671, Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures

 

MANUFACTURERS STANDARDIZATION SOCIETY (MSS)

  • MSS SP 6, Standard Finishes for Contact Faces of Pipe Flanges and Connecting End Flanges of Valves and Fittings
  • MSS SP 25, Standard Marking System for Valves, Fittings, Flanges and Unions
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