发明名称 METHOD FOR MANUFACTURING SEAMLESS PIPES AND METHOD FOR DETERMINING LENGTH OF BILLET FOR MANUFACTURING SEAMLESS PIPES.
摘要 The length L of a parent billet, the length l and number nB of child billets are determined on the basis of a predetermined tolerance and conditions of a billet heating furnace and rolling equipment. Seamless pipes are manufactured by using those billets. Consequently, energy saving during seamless pipe manufacturing and improved productivity can be achieved.
申请公布号 MX339707(B) 申请公布日期 2016.06.03
申请号 MX20100010436 申请日期 2008.10.29
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION.* 发明人 Kenichi Sasaki
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