专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPS59173223A Preparation of grade cold rolled steel plate for processing 失效
标题翻译：用于加工的等级冷轧钢板的制备
公开(公告)号：JPS59173223A
公开(公告)日：1984-10-01
申请号：JP4850083
申请日：1983-03-23
申请人： Sumitomo Metal Ind Ltd
发明人： OKAMOTO ATSUKI , MIZUI NAOMITSU , TAKAHASHI MASASHI
IPC分类号： C22C38/00 , C21D8/02 , C21D8/04 , C21D9/48
CPC分类号： C21D8/04
摘要： PURPOSE:To prepare a grade cold rolled steel plate for processing having delayed ageing property and excellent processability and good surface properties, in preparing the processing grade cold rolled steel plate, by lowering contents of P, S and N in a steel plate to a large extent while, if necessary, adding a proper amount of B to said steel plate. CONSTITUTION:A continuous cast slab comprising a composition containing 0.010-0.080% C, 0.02-0.50% M, Al 780 deg.C, the hot rolled steel plate is wound up in a coil form at 200-630 deg.C. This hot rolled steel plate is cold rolled at a draft of 50% or more to form a steel plate which is, in turn, continuously annealed at 650-850 deg.C to obtain a cold rolled steel plate.
摘要翻译：目的：为了制备具有延迟老化性能和优良加工性能以及良好表面性能的加工级别冷轧钢板，在制备加工级冷轧钢板时，通过将钢板中P，S和N的含量降低至大如果需要，在所述钢板上加入适量的B。构成：连续铸造板坯，其包含含有0.010-0.080％C，0.02-0.50％M，Al <0.10％，0.0001-0.0030％P，0.0001-0.0030％S和0.0001-0.0020％N的组合物，或另外0.0001-0.0020％ 0.0030％B，满足P％+ S％+ 2N％<= 0.0060％的条件。在这个板坯在最终温度下热轧。 > 780℃，热轧钢板以200-630℃卷绕成线圈形式。该热轧钢板以50％以上的压下量进行冷轧，形成钢板，进而在650〜850℃下连续退火，得到冷轧钢板。

2. 发明专利

JP2004183006A Steel for nitriding treatment, nitriding treated steel, and production method therefor 有权
标题翻译：用于硝化处理钢，硝化处理钢及其生产方法
公开(公告)号：JP2004183006A
公开(公告)日：2004-07-02
申请号：JP2002348162
申请日：2002-11-29
申请人： Mazda Motor Corp , Sumitomo Metal Ind Ltd , マツダ株式会社 , 住友金属工業株式会社
发明人： KOJIMA HIROTATSU , MIZUI NAOMITSU , ISHII KAZUYA , HANAKAWA KATSUNORI , ISHIDA YASUAKI
IPC分类号： C23C8/26 , C22C38/00 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide nitriding treated steel in which high strength and elongation properties can be reconciled, steel for nitriding treatment which is suitable as the stock for the nitriding treated steel, and to provide a production method therefor.
SOLUTION: The steel for nitriding treatment has a composition(1) comprising, ≤0.01% C, 0.001 to 0.5% Si, 0.01 to 0.5% Mn, 0.001 to 0.1% P, ≤0.01% S, 0.001 to 0.5% Al, 0.04 to 0.2% Ti, 0 to 0.05% Nb, 0 to 0.005% B, and ≤0.005% N, and the balance Fe with impurities, and in which Ti-{(N/14)+(S/32)+(C/12)}×48 is 0.04 to 0.10%, and is subjected to heat treatment so as to be held at 100 to 200°C for ≥10 min after nitriding treatment. Further, in the nitriding treated steel, the average chemical composition (2) in the central region of the sheet thickness within the range from the center of the sheet thickness to 40% of the sheet thickness toward the surface is the same as the above composition (1) except for ≤0.03% C and 0.08 to 0.25% N, the hardness of the center of the sheet thickness is ≥200 by Hv, the number of pieces of iron nitride with a long side of ≥5 μm in the central region of the sheet thickness is ≤10 pieces per 1×10
-8 m
2 , and the number of pieces of iron nitride with a long length of 0.15 to -12 m
2 .
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：为了提供可以调和高强度和伸长性能的氮化处理钢，适用于氮化处理钢的原料的氮化处理用钢，并提供其制造方法。解决方案：用于氮化处理的钢具有组成（1），其包含≤0.01％C，0.001〜0.5％的Si，0.01〜0.5％的Mn，0.001〜0.1％的P，≤0.01％的S，0.001〜0.5％ Al，0.04〜0.2％Ti，0〜0.05％Nb，0〜0.005％B，≤0.005％N，余量为Fe与杂质，Ti-ä（N / 14）+（S / 32） +（C / 12）}×48为0.04〜0.10％，经氮化处理后，在100〜200℃下保持≥10分钟进行热处理。此外，在氮化处理钢中，从板厚中心到板厚向表面的40％的范围内的板厚中心区域的平均化学成分（2）与上述组成相同（1）除了≤0.03％C和0.08-0.25％N以外，板厚中心的硬度Hv为≥200，中心区域的长边≥5μm的氮化铁的数量的板厚为1×10 -8 m 2 ≤10个，长度为0.15〜5μm的氮化铁片数为板厚的中心每1×10 -12 m 2 ≥5个。版权所有（C）2004，JPO＆NCIPI

3. 发明专利

JP2005344191A Heat treatment furnace 有权
标题翻译：热处理炉
公开(公告)号：JP2005344191A
公开(公告)日：2005-12-15
申请号：JP2004167964
申请日：2004-06-07
申请人： Chugai Ro Co Ltd , Sumitomo Metal Ind Ltd , 中外炉工業株式会社 , 住友金属工業株式会社
发明人： SAKATA MAMORU , MIZUI NAOMITSU , YAMAUCHI AKIYOSHI
IPC分类号： C21D9/56
摘要： PROBLEM TO BE SOLVED: To make it possible to appropriately apply a heat treatment to various kinds of metal strips by a single heat treatment furnace in the heat-treatment furnace used for heat-treating the metal strip.
SOLUTION: The heat treatment furnace is provided with: a heating zone 12 for heating the metal strip 1; a cooling zone 13 for cooling the metal strip heated in the heating zone; and a holding zone 14 for holding the metal strip cooled in the cooling zone. In the heat treatment furnace, the long route and the short route different in the distance for moving the metal strip are provided in the holding zone, and the routes for moving the metal strip are changed according to the kinds of metal strips.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过在用于热处理金属带的热处理炉中的单个热处理炉，可以适当地对各种金属条进行热处理。解决方案：热处理炉设有：用于加热金属带1的加热区12; 用于冷却在加热区中加热的金属带的冷却区13; 以及用于保持在冷却区中冷却的金属带的保持区14。在热处理炉中，在保持区域中设置用于移动金属带的距离不同的长路线和短路线，并且根据金属条的种类改变移动金属带的路线。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JPS61130422A Production of cold-rolled steel sheet for press working 失效
标题翻译：生产用于压制工作的冷轧钢板
公开(公告)号：JPS61130422A
公开(公告)日：1986-06-18
申请号：JP25063084
申请日：1984-11-29
申请人： Sumitomo Metal Ind Ltd
发明人： MIZUI NAOMITSU , OKAMOTO ATSUKI
IPC分类号： C22C38/00 , C21D8/02 , C21D8/04 , C21D9/48 , C22C38/04
摘要： PURPOSE: To produce uniformly and inexpensively a cold-rolled steel sheet for press working by cold rolling a coil formed by hot rolling a steel having a specific compsn. contg. N at a low solutionization ratio then cooling quickly the hot-rolled sheet and coiling the same at a low temp. then subjecting the cold rolled sheet to continuous annealing after quick heating.
CONSTITUTION: The steel contg. 0.01W0.10wt% C, 0.002W0.40% Mn and ≤0.001% N, contg. further one or both of 0.05W0.5% Si and 0.03W0.11% P according to need and consisting of the balance Fe and unavoidable impurities is subjected to quick cooling after hot rolling and is coiled to a coil shape at an extremely low temp. of ≤300°C. The coil is thereafter cold-rolled at ≥50% draft. The cold rolled sheet is continuously annealed at 1W100°C/sec heating speed and 650W850°C soaking temp. The cold-rolled steel sheet for press working which has an adequate (r) value even with a short aging treatment and has good aging resistance, is thus obtd.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：通过冷轧具有特定组成的钢的线圈形成的线圈，均匀且廉价地制造用于冲压加工的冷轧钢板。对比 N，然后快速冷却热轧板并在低温下卷绕。然后在冷加热后对冷轧板进行连续退火。构成：钢筋 0.01-0.10wt％C，0.002-0.40％Mn和<= 0.001％N，根据需要进一步根据需要添加0.05-0.5％的Si和0.03-0.11％的P中的一种或两种，并且由余量为Fe和不可避免的杂质构成，在热轧后进行快速冷却，并且在极低温度下卷成线圈状。 <300℃。然后将线圈冷却至> 50％牵伸。冷轧板以1-100℃/秒的加热速度和650-850℃的浸泡温度连续退火。因此，即使采用短时间处理也具有良好的耐老化性的具有足够（r）值的压制加工用冷轧钢板。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式