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PRODUCTION OF HOT ROLLED STEEL PLATE EXCELLENT IN ATMOSPHERIC CORROSION RESISTANCE BY CONTINUOUS HOT ROLLING PROCESS

机译：连续热轧工艺生产耐大气腐蚀性能优异的热轧钢板

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摘要

PROBLEM TO BE SOLVED: To produce a hot rolled steel plate excellent in atmospheric corrosion resistance by subjecting a steel plate of specific composition to hot finish rolling at specific temp. in a finish rolling mill by means of a continuous rolling process. ;SOLUTION: A bar stock of a steel plate, having a composition consisting of, by weight, ≤0.10% C, ≤0.80% Si, ≤0.80% Mn, ≤0.150% P, 0.010% S, ≤0.100% Al, ≤0.010% N, ≤0.50% Cu, ≤0.40% Ni, ≤1.00% Cr, and the balance Fe with inevitable components, is used. The head end and the tail end of this bar stock are cut by the use of welding shears, and a preceding material is joined to a succeeding material by means of a flying joining device. After descaling, the plate is fed to a finish rolling mill and finish-rolled at a temp. between Ar₃ and 900°C by a continuous rolling process. By this method, the hot rolled steel plate, minimal in material dispersion in a coil, hardly causing material dispersion between coils, and excellent in atmosphetic corrosion resistance, can be obtained in high yield.;COPYRIGHT: (C)1997,JPO

机译：解决的问题：通过使特定组成的钢板在特定温度下进行热精轧，来制造耐大气腐蚀性优异的热轧钢板。在精轧机中采用连续轧制工艺。 ;解决方案：一种钢板条料，其成分包括按重量计≤0.10％C，≤0.80％Si，≤0.80％Mn，≤0.150％P，0.010％S，≤0.100％Al，≤使用0.010％的N，≤0.50％的Cu，≤0.40％的Ni，≤1.00％的Cr以及余量的具有不可避免成分的Fe。棒料的头端和尾端通过使用焊接剪进行切割，并且之前的材料通过快速连接装置与随后的材料连接。除鳞后，将钢板送入精轧机并在一定温度下精轧。通过连续轧制工艺在Ar _{3 和900°C之间变化。通过这种方法，可以以高收率获得热轧钢板，该热轧钢板的卷材中的材料分散最少，几乎不引起卷材之间的材料分散，并且耐大气腐蚀性能优异。; COPYRIGHT：（C）1997，JPO}

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公开/公告号JPH09235624A

专利类型
公开/公告日1997-09-09

原文格式PDF
申请/专利权人 NIPPON STEEL CORP;
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申请/专利号JP19960065134
发明设计人 KODERA MINORU;NAKAMURA TAKAAKI;
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申请日1996-02-28
分类号C21D9/46;C21D8/02;C22C38/00;C22C38/42;
国家 JP
入库时间 2022-08-22 03:33:24

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