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Microalloyed steel chemical composition and magnetic properties of magnetic energy relationship analysis

Carbon content (C capsule), and sulfur content and, B. ∞ single factor scatter shown in Figure 2. Figure 2 and the sulfur content of residual carbon content and magnetic properties of the relationship between Table 4 and Figure 2 shows, C or S content increases capsule will make B50 = 1.981-20.498S% lower magnetic properties. Residual carbon content on the adverse effects of magnetic and B ∞ = 2.131-20.498S% Figure 1 shows the situation is the same. As for the other elements of the magnetic (2) to show the carbon intensity of the adverse effects of magnetic induction, the possible impact of the relatively weak C capsule, first press the type of data is not enough to determine the remaining carbon content in steel: 'not been able to reflect . c% = c% a 12% one race Ⅳ 6% a 12 + Polo Shi 1uJ. , (1) of sulfur on magnetic induction significantly negative impact, and its Ⅳ% relationship can use the following single regression equation: 24 Shanghai Metal Volume 25 contains the C and S on the magnetic properties of the multiple regression formula is: Bso = 2. 078-20.823S% a 0.860Cu% Bl00 = 2.229-20.827S% a 0.872Cu% [1] High Xiuling and so on. Generators DJL350 development and application of steel poles. Turbine Technology. 2OO2, (2) [2] Zhang Guoxiang. Large hydropower generating units with a high-strength high-precision cold-rolled magnetic steel sheet (DJL350) study concluded. 1998 [3] large hydro pole high-strength high-precision cold-rolled steel plate (steel General Hospital Research Report). 1998 [4] Zhong-governance. Electrical steel. Metallurgical Industry Press, 1997 [5] W. L. Roberts. Cold rolled strip production (below). Metallurgical Industry Press. 199l [6] Wang Zubin and so on. High-strength low-alloy steel. Atomic Energy Press,[link widoczny dla zalogowanych], 1996 Date Received :2002-12-25 \the development of fine grain steel hot-rolled steel company in Japan, Zhongshan steel grain refinement, the development of material properties of fine grain leap increase hot rolled steel plate (fine grain steel), and has begun formal production. in the steelmaking process components were not adjusted by the amount of high pressure cold-rolling and strong manufacturing crystalline particle size 2-5m of fine grain steel is still the world's first. Thus, the same component can be hot-rolled steel with high strength and high toughness, and weldability and high fatigue strength. stage 1 to the tensile strength 500-600MPa-class commercial production, and will further develop higher levels of product strength. miniaturization through the steel grain has been to improve the characteristics of steel metal of were recognized. usually by the material composition and temperature control improvements achieved by controlling the material improvement of the grain is the major technological innovations. into operation in 2000 a new hot rolling equipment,[link widoczny dla zalogowanych], from the design stage to take a fine-grained steel can be created metallurgical technology, since 2001, and East Japan Osaka major joint development of fine grain steel. the specific practice that six finishing mill, the export side of the three imposed more than 50% of the amount of the heavy reduction rolling reduction the same time, set among rolling curtain forced cooling type cooling device. nanostructures manufacturing specifications for hot rolled steel plate thickness 1.616mm × width 6O0-914ram. Users can find the strength, products and manufacturing processes of the omitted light of benefits. Currently only the steel, industrial machinery parts factories, sale,[link widoczny dla zalogowanych], sales potential lO00t month or so. Zhang translation compiled from (ISIJ}, 2002.10POSCO supply Qingdao, Zhangjiagang Pohang Stainless Steel Equipment Following, the South Korean POSCO and Qingdao Iron and Steel Group jointly invest 180 million U.S. dollars,[link widoczny dla zalogowanych], the formation of Qingdao Pohang Stainless Steel Company, recently signed equipment supply contracts, since April this year, POSCO will build the necessary equipment supply companies have related equipment, pre-trial until April next year, so far. development trend of China's stainless steel market strong, has attracted attention of stainless steel production enterprise, Qingdao Pohang Stainless Steel Company built 15 million tons annual output of cold rolled stainless steel plate production line plan is to start in full swing. Since the company is Qingdao, Qingdao Pohang Stainless Steel One of the major international joint venture projects, therefore, highly dynamic profile local and related industries, with the signing of the equipment supply contracts, meaning that the project is about to enter the construction phase, will enhance the economic development of Qingdao, have a significant and active role,[link widoczny dla zalogowanych], therefore, Qingdao City, said the future will cooperate fully with the various construction related matters, in order to promote the development of economic activities in the city. Photo to Chinese from and 51bxg, 2003.3.10

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