| 摘要 |
<p>In order to find a pipe rolling plant with low investment costs in which the pipe can be produced with a minimum of process steps without intermediate heating, it is proposed to arrange in sequence a crossrolling mill (3), equipped with rotating guide discs, for piercing the block, a crossrolling mill (4) equipped with rotating guide discs, for stretching and a reducing or sizing mill (5) for the final rolling of the pipe. <IMAGE></p> |
