外文翻译热轧板带钢精品word文档良心出品.docx

1、外文翻译热轧板带钢精品word文档良心出品附录附录1英文原文Hot-rolled plate steel1.1 hot-rolled plate steel production Hot-rolled strip steel is an important species, the entire steel industrys technological progress and economic efficiency has an important impact. Developed hot-rolled strip steel hot-rolled steel production ac

2、counted for about 50 percent, and in the international market competition in the leading position. Chinas iron and steel industrial output growing faster in recent years, but the number of high value-added products and lower quality. Chinas general hot-rolled strip steel products is the minimum thic

3、kness of 1.8 mm, but in fact only very few production is less than the thickness of 2.0 mm Hot Strip, even if the narrow strip, the thickness of products generally larger than 2.5 mm. Therefore, a considerable part want to use less than 2 mm thick strip of raw materials for the user, only the use of

4、 cold-rolled strip steel. If the development of the thin hot-rolled strip steel specifications, can replace a considerable portion of the use of cold-rolled strip steel, the production costs greatly reduced. 1.1.1 hot-rolled steel production broadband Broadband foreign hot-rolled steel production of

5、 technological progress in the following areas: tropical steel without a head rolling technology 2. Without a head rolling technology can produce stability and thin-thin hot-rolled strip steel, by its generous than the traditional hot rolling a 000:1 to 800:1, and to use compulsory cooling and lubri

6、cation of rolling production technology With new material properties of high-tech products. CSP technology. It is mainly a compact tropical steel production process CSP (Compact Strip Process), online tropical steel production process ISP (In-Line Strip Production), flexible thin slab-rolling techno

7、logy FTSR (Flexible Thin Slab Rolling) continuous casting and rolling directly CONROLL technology, such as more than 10 types. Germany has developed the SMS CSP process has been successful in rolling out the thickness of 0.8 mm thin strip products, and has been widely used in household appliances, c

8、onstruction industry and other areas of the Austrian (VAI) CONROLL development of the production process also successfully A thickness of 0.9 mm 1.0mm, excellent surface quality hot-rolled thin strip, the exposed parts can be used as the vehicle; United States has so far put into operation the thin

9、slab continuous casting and rolling production line of more than 100 of the production capacity of 5 107t / year 3. ferrite District rolling production process. It also known as phase change control rolling, is from Belgium Metallurgical Research Center in 1994, a rolling development of new technolo

10、gies, the main purpose is to use the original specifications of hot-rolled thin strip replace the thickness of 1.0 mm 2.0mm cold-rolled scope of the Products. Ferrite District rolling production technology development goal is to produce thin (thin) specifications of quality deep drawing board. LTVs

11、Indiana plant 40 percent of the Hubble Ultra-low carbon steel products used ferrite rolling production area, Arvedi using ferrite area of rolling production of its ultra-thin hot-rolled strip steel production accounts for 25 %. thin strip casting the CASTRIP process. This process by the United State

12、s Niuke Iron and Steel Company, the Australian company BHP and the Japanese company IHI joint development and success of the company in 2003 for Niuke building the worlds first set of full commercialization of the twin-roll casting thin strip production line, used in the production of carbon Steel a

13、nd stainless steel. And conventional continuous casting and rolling mill technology, compared with technology investment, lower operating costs, energy conservation and environmental protection, the advantages of low emission 4. At present, this whole business of the thin strip twin-roll casting mac

14、hine with an annual output of 2.0 mm the following specifications thin strip 500,000 t. The casting machine used in ladle capacity of 110 t, twin-roll casting of a diameter of 500 mm, the highest continuous casting speed of 150 m / min, commonly used for the continuous casting speed of 80 m / min, e

15、xports strip thickness of 0.7 mm 2.0mm, the width of 1 000mm 2 000mm. Broadband domestic hot-rolled steel production profile is as follows: traditional hot strip mill. Baosteel to 2050 mm Hot Strip Mill as an example, Baoshan Iron and Steel 2050 mm hot-rolled plant in the August 3, 1989 operation, h

16、ot-rolled unit designed annual output of 4 million t. By the end of 2000 total production of 44.46 million t Hot Strip. 1999 annual production reached 5.1 million t, more than 25 per cent of production design, in 2000 to 5.2 million t. The main products are Putan Gang, high-quality carbon steel, low

17、-alloy steel, deep drawing steel, shipbuilding steel, steel, such as spiral welded pipe and steel coil. 2050mm hot-rolled unit is 3 / 4 continuous rolling mill. All the major plant equipment: four rough mill, seven finishing mill, three full hydraulic coiler, and five finishing line operations. Equi

18、pment weighing 60915 t. Equipment from Germany SMS Jamaal consortium of contractors, 12, equipment operation and stability. Substantial increase in output at the same time, the composite indicator of production units and products are also continuously improve accuracy, high-intensity, highly limit t

19、he increase in product specifications, product specifications thin increase the proportion has doubled. Especially the last, 2.00 mm thin the following specifications of the products yield of 17 percent, than in May 1992 amounted to yield 4.98 percent and the design requirements of the 6 percent hig

20、her three times 5. Thin specifications of the products as a major production targets, the use of best coiling temperature, the heating temperature, rolling load distribution, rolling to optimize the speed, finishing on the rack target crown for reasonable distribution of rolling out the standard thi

21、ckness 1.6mm container with atmospheric corrosion-resistant plates, to resolve the long-term dependence on imported steel container the situation, try rolling in 2002 and 1.2 mm thick success of the hot-rolled thin strip. CSP. Since 1992, Lanzhou Steel and Iron and Steel Research Institute to establ

22、ish Chinas first set of CSP thin slab caster, the major domestic steel companies have spent huge amounts of money or of the new hot rolling plant to expand the scope of variety, improve product Quality. Baosteel 2050 and 1580 is the hot line of equipment and automated control of the high level of tw

23、o production lines, can produce stability 1.5 mm thickness of the hot rolled coil, can also produce a small amount of thickness of 1.0 mm 1.2mm ultra-thin Hot Strip. 1999-CSP Steel introduced the first of the CSP line (1 450mm), have been completed and put into production after the Handan Iron and S

24、teel 1450 mm, Baotou Steel 1700 mm, Panzhihua Iron and Steel, Tangshan Iron and Steel 1800 mmFTSR Unit Magang 1800 mmCSP unit, Valin 1800 mmCSP a project And a steel plant on the 1780 hot rolling unit, Benxi Iron and Steel 1880 mmCSP hot continuous casting and rolling production line designed produc

25、tion capacity 2.8 million tons, hot rolling unit Laiwu Steel 1450 design capacity 2 million tons, Shagang 1700 mm Hot Strip Mill production line Design production capacity 4.5 million tons. Angang 2150 mmCSP unit designed production capacity 4.5 million tons. According to statistics, China in 2007 a

26、re expected to be 12 hot-rolled production line production, design overall capacity to 37 million tons, of which the design capacity of 300 million metric tons of hot-rolled large-scale production lines have five, were 380 units of steel 1780 10,000 tons, Magang 2250 Unit 5 million tons, Baoshan Iro

27、n and Steel 1880 unit 3.7 million tons, iron-day 1780 units 3.8 million tons, Taiwans 1780 North Unit 4 million tons; remaining seven hot-line design capacity are more than 2 million, They are Rizhao Steel 1580 Unit 2 million tons, the 1480 Tangshan States HSBC unit 2 million tons, a rolling plant Q

28、ianan 1250 Unit 2 million tons, Wuhan 1580 Units 2.8 million tons, Shanxi Haixin 1,500 units 2.2 million tons, built in Ningbo Unit 1780-2.5 million tons. It is estimated that by the end of 2007 Chinas overall capacity will reach Hot 140 million tons. ferrite District rolling production process. ZIS

29、 CSP CSP production line operation, plans to use the production process following ultra-thin 2.0 mm Hot Strip, the current domestic Tangshan Iron and Steel Co., Benxi Steel and many of the CSP thin slab production lines have been rolled ferrite District System capacity. 1.1.2 hot rolled narrow strip

30、 steel production At present, foreign development of a narrow strip of stagnation, output and quality are not high, the narrow strip of demand will be using broadband Slitter approach, high cost. A total of more than 50 sets of domestic hot-rolled narrow strip steel mill, continuous-mill-2, 3 / 4 se

31、ts of rolling mill 14, 15 sets of semi-rolling, the rest is tracking, bar-and-such as planets, the total production capacity of 9 106t. However, the level of production technology and equipment generally less, of which 15 state-owned enterprises still use old-fashioned layout of most of the 3 / 4 an

32、d rolling production line. The width of the products can be divided into two categories for the 145 mm 240mm, use of a fire billet to become useful, such as vent strip steel mills; another for the 210 mm 305mm, the use of two fire blanks rolling early to become useful, Such as Baotou Steel, Laiwu St

33、eel, and other band. Later Tang Dynasty optimization of narrow strip steel production line by production for 165 mm 165mm, 165mm 225mm, 165mm 280mm three specifications of the billet, to produce the most Kuanda 355 mm, the thinnest 1.8 mm for the narrow-band products. 1996 in Wuxi City, a thin strip Limited completed t