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Biodiesel Resistance of Thin Resin cr-free Steel Sheets for Fuel Tank

Engineering（科研） 2011年第5期3卷 491-499页

作者： Dong-Joo Yoon Kyung-Hwan Lee Jong-Geun Choi Sangkeol Noh Jongsang Kim 不详

The content of biodiesel mixed with diesel fuel were compared to inspect the fuel resistance of thin resin cr-free steel sheets, which are widely used as steel sheets of automobile fuel tank. Some additives which can be presented during the process of biodiesel preparation were added for CCT (Cyclic Corrosion Test). These additives can accelerate the occurrence of corrosion. The corrosion was appeared on the coating and painting layer and in serious cases even substrate material was corroded. For methanol, mixing with blended fuel showed the reduction in corroded area as the additive concentration was reduced in the mixed fuel. Especially the peroxide hydrogen showed the strongest corrosiveness. It is known that formic acid has a tendency of weaker corrosiveness than peroxide hydrogen, but the corrosion is occurred throughout the specimen. Water is not mixed well with fuel, and does not seem to impact on corrosion significantly. However, water is easily mixed with other additives and is considered to facilitate the corrosion by other additives.

关键词： Fuel Resistance cr-free Steel Sheet Fuel Tank Corrosion Formic Acid Peroxide Hydrogen

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Characteristics and application of Baosteel's cr-free ultrathick J coat for non-oriented silicon steel sheets

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Baosteel Technical Research 2013年第2期7卷 22-25页

作者： CHEN Lingyun Silicon Steel Department Baoshan Iron & Steel Co.Ltd.

Baosteel＇ s cr-free ultrathick J coat for non-oriented silicon steel sheets has excellent insulation performance and has been successfully applied to middle and large scale electric power trains and wind electric power devices, which have stricter requirements than typical for coat insulation. In this paper, the characteristics and application of this type of coating for non-oriented silicon steel sheets were described in detail.

关键词： non-oriented silicon steel sheet coat cr-free ultrathick

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Development of cr-free anti-fingerprint hot-dip galvanized sheet for household appliances

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Baosteel Technical Research 2010年第S1期4卷 44-页

作者： YANG Peng~(1)) and PAN Yanfang~(2)) 1) Cold Rolling General Plant,Wuhan Iron & Steel Co..Ltd.,Hubei 430083,Wuhan,China 2) Manufacturing Department,Wuhan Iron & Steel Co.,Ltd.,Hubei 430083,Wuhan,China

China has become the maximum household appliances manufacturing base *** is a new challenge facing the steel industry to develop the low-cost and environment-friendly sheet for household appliance industry,so cr-free anti-fingerprint hot-dip galvanized sheet for household appliances is the upgraded product which satisfies the requirement of China household appliance industry' s nuisanceless *** paper discusses the technical key points of development on cr-free anti-fingerprint galvanized sheet for household appliances,including the development of the cr-free anti-fingerprint chemical and the production technology of cr-free anti-fingerprint galvanized sheet for household *** paper elaborates the main compositions,physical features and properties of the cr-free anti-fingerprint chemical, surface quality control technology,anti-fingerprint coating quality control technology,influence of anti-fingerprint film weight on corrosion resistance,conductibility,high-temperature discolouration resistance,acid resistance,alkaline resistance and solvent resistance of cr-free anti-fingerprint hot-dip galvanized sheet, influence of anti-fingerprint coating uniformity on paintability of the sheet,influence of strip surface roughness on corrosion resistance and conductivity of the sheet and influence of strip surface quality on corrosion resistance of the *** the suitable cr-free anti-fingerprint chemical and the reasonable production process parameters,the properties of the cr-free anti-fingerprint hot-dip galvanized sheet conform to the delivery technical norms and the cr-free anti-fingerprint hot-dip galvanized sheet becomes the new material for household appliances such as computer case.

关键词： household appliances cr-free anti-fingerprint hot-dip galvanized sheet

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Recent development of electrical steel sheets in China Steel Corporation

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Baosteel Technical Research 2010年第S1期4卷 53-页

作者： LIN Chienchou HSIAO IChing HUANG Shenchin Metallurgical Department China Steel Corp. KaohsiungTaiwanChina Steel R & D Department China Steel Corp. KaohsiungTaiwanChina

The major applications of electrical steel(ES) sheets are motors,transformers,*** recent years, the raise of crude oil price and increasing environmental consciousness trigger the demands for saving energy and reducing CO_2 emissions,which greatly accelerate the development of high quality ES *** meet the quality requirements of high efficiency motors and transformers,high grade ES sheets with high flux density are continuously developed and introduced to the ***,the price competition and quality improvement of general grades are important for the lower end *** iron loss of 50CS1300(50A1300) is significantly reduced by controlling some key *** than the normal grade,the highest grades of nonoriented (NO) ES are successfully developed *** all specifications of 0.50 and 0.35 mm among JIS C 2552 specification could be provided by *** to the insulation coating development,the cr-free insulation coating has been introduced to the market due to the environmental concern,and has been enormously adopted in Taiwan ***,the thicker insulation coating technology has been successfully developed for specific wind power generator *** newly developed products and quality improvements of electrical steel sheets in China Steel are introduced in this paper.

关键词： high flux density lower iron loss highest grade cr-free wind power generator

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