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Reducer the cause of the crack

2017-08-11 11:00:21   Comment:0 Hits:
  Reducer the cause of the crack

  The strength of the reducer is generally higher than that of the straight seam welded pipe, and it can produce the larger elbow with a narrow billet. It can also produce pipe with different diameter of the same width.ASTM Carbon Steel Butt Welded Reducer production process is simple, high production efficiency, low cost, rapid development. The main raw material for the production of the reducer has a large proportion of the production cost of the reducer, and the change of its price directly affects the change of the production cost. If the same type of stainless steel stamping elbow welding, must be more than 300 ℃ preheating and 700 ℃ after the slow cooling treatment. If the weld can not be post-weld heat treatment, you should use the size of the first electrode.

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