Described in the article is a new process for producing square, rectangular steel tubes and other non-sysmmetric sectioned shaped steel tubes, the push-rolling torming process.

 
  • 介紹了一種用于生產(chǎn)方形、矩形和其他無(wú)對稱(chēng)軸斷面異型鋼管的成型新方法-推軋成型法。
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