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ASTM A234 Pipe Fittings Union

2017-05-19 14:03:42   Comment:0 Hits:
  ASTM A234 Pipe Fittings Union

  Welded pipe fitting is a steel plate or strip after the steel coil after welding made of. ASTM A234 Pipe Fittings Union production process is simple, high production efficiency, variety specifications, equipment, less capital, but generally less than the strength of seamless steel pipe. Since the 1930s, with the rapid development of high-quality strip rolling production and the progress of welding and inspection technology, the quality of welded seam has been improved continuously, the variety specifications of welded steel pipe are increasing day by day, and more and more fields have replaced the non- Seam steel pipe. Welded pipe in accordance with the form of weld is divided into longitudinal and spiral welded pipe.

  Welded pipe used in the blank is steel or strip, because of its welding process is divided into furnace pipe, welding (resistance welding) and automatic arc welding pipe. Because of its different forms of welding is divided into straight seam welded pipe and spiral welded pipe two.

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