发明名称 |
Continuous hot rolling method |
摘要 |
PCT No. PCT/JP96/03362 Sec. 371 Date Oct. 28, 1997 Sec. 102(e) Date Oct. 28, 1997 PCT Filed Nov. 15, 1996 PCT Pub. No. WO97/32675 PCT Pub. Date Sep. 12, 1997A continuous hot rolling method including the steps of: cutting the tail portion of a preceding material in a steel product and the front portion of a succeeding material in the steel product to form butt faces; previously determining the thickness of scale created on the butt faces to determine the proportion of the weight of the scale; calculating the amount of oxygen dissolved in a weld molten zone, determining a deoxidation capacity of a deoxidizer for deoxidizing the above amount of oxygen; allowing the butt faces to abut against each other to form a butt area; applying a laser beam to the butt area to form a weld molten zone; incorporating the deoxidizer having the above deoxidation capacity into the weld molten zone; and hot rolling the molten joined steel product.
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申请公布号 |
US6068177(A) |
申请公布日期 |
2000.05.30 |
申请号 |
US19970945742 |
申请日期 |
1997.10.28 |
申请人 |
NIPPON STEEL CORPORATION |
发明人 |
MATSUO, SHINJI;MAEDA, KATSUHIRO;ARIZUMI, SEIJI;MINAMIDA, KATSUHIRO;OHARA, MASAHIRO;NAKAMURA, TAKAAKI;KATO, HIROKI;NISHIBAYASHI, SHIGERU;ABE, MASAKAZU |
分类号 |
B21B1/26;B21B15/00;B23K26/26;B23K26/42;B23K35/30;(IPC1-7):B23K35/24;B23K31/02 |
主分类号 |
B21B1/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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