Zhong'an Steel Plate

Pickling Production Line

By introducing the automatic control equipment and production technology of Siemens Company ofGermany,the Company adopts shallow groove turbulence process,thoroughly removes the surface oxide of hot rolled coil,and the entire production process implements digital control,which is accurate,stable,and energy efficient.

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Cold Rolling Production Line

The cold rolling production line is equipped with two sets of six-roll reversing cold rolling mill.For the control system,the Company adopts AIC active rectifier +TAC inverter of ZF Friedrichshafen AG of Germany to realize stepless ransmission.For operating system,the Company has introduced AGC X860 of Siemens Company of Germany,realizing intelligent control of high-speed rolling and thickness control as well as tracking function of the product quality.

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Galvanized Aluminum Magnesium Production Line

The Company has introduced technology from South Korean for a series of substrate deep processing,such as annealing reduction,hot dip galvanizing,deep finishing,plate shape correction,and surface treatment etc. The heating furnace adopts the in-line annealing technology of Senkimier method.The German West Markfonden air knife that is equipped with the on-line coating thickness measuring instrument for accurately control of the zinc layer.The automatic control of the production line is all completed through the Siemens S7-1500 control system,realizing a series of advanced technologies such as automatic welding and ensuring the continuity of production.

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Color Coating Plate Production Line

Our Company mainly produces high-end galvanized aluminum magnesium color coated steel plate.The products make full use of galvanized aluminum magnesium advantage such as strong corrosion resistance,good scratch resistance and other excellent characteristics,based on these performance,it willbe coated with h igh-weather-resistant coating which further enhances the decorative,corrosion resistance and weather-resistance of the product,and the service life is 10 to 20 times more than the traditional color coated plate.In addition to meeting the requirement of using of the high-end building material use,the products are also widely applied in special Marine climate,animal husbandry enclosure and agricultural facilities and other fields.

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News

Cold-rolled coated plate industry chain development Summit Forum was successfully held

On the afternoon of January 7, the 18th China Steel Industry Chain Market Summit and one of the sub-forums of the Lange Steel Network 2022 Annual meeting of the "2022 Cold rolled Coated plate industry Chain Development Summit Forum" was held in Beijing Guosou International Convention and Exhibition Center. The forum was sponsored by Lange Steel Network, co-sponsored by Shandong Guanzhou Co., LTD., Shandong Huafeng New Materials Co., LTD., Hebei Donghai Special Steel Group Co., LTD., and co-organized by Guanxian Renze Composite Materials Co., LTD., Shandong Huijin Color Steel Co., LTD., Shandong Fuhai Material Technology Co., LTD. Hundreds of experts, scholars and business representatives from North China, East China and Northeast China attended the meeting. The meeting was chaired by Wang Siya, editor-in-chief of Lange Steel Network.

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Principle and technology of cold rolling pickling

Iron oxide is the chemical interaction between iron and oxygen or the product of iron and fuel combustion (CO2, H2O, etc.) during the rolling process of the rolling mill, and an oxide layer is formed, which is called oxide.

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The role of pickling cold rolled steel coils

Because the surface of the cold-rolled steel plate is brittle, hard, not suitable for processing, and the surface corrosion and rust prevention ability of the cold-rolled steel plate is poor, especially in the environment of high temperature and humidity, acid, alkali and salt composition, it is easy to oxidation, resulting in the mechanical properties of the steel and the quality of use, pickling can be a good solution to this problem, not only can remove rust on the surface of the cold-rolled steel plate, but also can prevent rust.

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