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  • How to repair and maintain stainless steel surface ?
    How to repair and maintain stainless steel surface ?
    • 2017-06-22 20:52:20

    As we know , there are BA/2B/4K/8K/acid picking/ of stainless steel material. In fact it is the chromium oxide layer . How to repair and maintain stainless steel surface in industrial atmospheres and marine environments is become important more and more.  Inevitably,  necessary processes steps to maintain and repair the chromium oxide layer can enhance the luster and extend the life-cycle. Pickling and passivation are two ways to remove contaminants on the stainless steel surface . Pickling is also used for removing contamination such as embedded iron. The passivation process can remove  chemicals and other contaminates on stainless steel pipe.  Congshine stainless steel contains  specifications commonly governing stainless steel passivation for  tenacious protective chromium oxide film    

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  • China's steel exports 5.75 million tons fell 29.1% year on year in February
    China's steel exports 5.75 million tons fell 29.1% year on year in February
    • 2017-03-15 10:38:38

    This is Cong Shine one leader of stainless steel industry .We co-operates with all kinds of major mails. Our stainless steel angle and stainless steel sheet are popular in the world. Now let us share China latest steel news with you in February. So you will get better stainless steel price. In February 2017, China's steel exports of 5.75 million tons, it fell 29.1% year on year. The total accumulative steel export is 13.17 million tons during January and February. It is down 25.7% year-on-year. The imported steel is 1.09 million tons. It is up 17.2% year on year .The total accumulative steel import is 2.18 million tons. It is up 17.6% from a year earlier. China imported iron ore and concentrate is 83.49 million tons. The growth is 13.4% year-on-year. Up to February, the total accumulative t imported iron ore and concentrate is 175.34 million tons. It is up 12.6% from a year earlier. In February, China's exported coke and semi coke is 810000 tons. It fell 7.9% year on year. The total accumulative coke and semi coke export is 1.61 million tons. It is down 0.7% year-on-year Cong Shine are in stainless steel industry for many years. We believe our solution on stainless steel production is helpful for you. If you have any question or inquire on stainless steel bar/stainless steel sheet/stainless steel pipe, pls feel free to ask us.

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  • Supplier 304 stainless steel embossed plate
    Supplier 304 stainless steel embossed plate
    • 2017-02-16 21:15:31

    As the one leader of stainless steel supplier, Cong shine always provide better service for clients from all over the world. Now let us intruduce our 304 stainless steel embossed plate to you . It is convex pattern in the steel surface according to the requirements of the finish and ornamental. The embossing is rolled with a patterned work roll, and its work rolls are usually processed by erosion of the liquid, and the depth of the bumps on the board varies from pattern to about 20-30 microns. Main material of Stainless steel embossed plate are the 201/202/304/316 ect. The general size is: 1000 * 2000mm 1219 * 2438mm 1219 * 3048mm; thickness 0.3mm ~ 2.0mm. Pls find our production character as below . 1> durable/ pressure/ wear/and decorative effect. Visual beauty, good quality, easy to clean, maintenance-free, anti-scratches and no fingerprints. 2> According to scientific testing, transmission efficiency, anti-stroke, compression performance is better than ordinary stainless steel plate. It can reduce the friction of 30% -70% and increase the sliding surface efficiency. The same can also extend the machinery and equipment  life.This is the reason clients choose it . 3> Cong Shine owns the international advanced sets of automatic production equipment system for style and diverse/ three-dimensional sense of strong. The results are our 304 stainless steel embossed plate with no cracking/no scratches and it doesn't reveal due to the excellent features. The main advantages of the 304 stainless steel embossed plate is durable/ wear-resistant/decorative effect/visual beautiful/good quality/easy to clean/maintenance-free/ anti-scratch and no fingerprints. Any question about stainless steel embossed plate , pls feel free to talk with us. I am sure Cong Shine can co-operate with you for brilliant future.

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  • What is the #4 Finish 304 Stainless Steel Sheet?
    What is the #4 Finish 304 Stainless Steel Sheet?
    • 2017-02-08 15:56:48

    304 stainless steel sheet #4 finish is austenitic and don’t hold magnet. It is the brushed finish generally and is used on kitchen / backsplashes /food equipment/ plumbing materials/kitchen sinks and back splashes.. The surface of 304 stainless steel sheet #4 finish is a PVC film which protect against scratching during fabrication and installation. All operation is subject to ISO9001 .And our clients are always satisfied with our products and services.If you need any fabrication like grain preference /hemming or rounded corners,we can provide this service. 304 stainless steel is commercial and versatile, anti-rusting and heat resistant steel for general use. According to clients feedbacks our 304 stainless steel is famous for its properties as below · High corrosion resistance · High strength · High toughness and impact resistance · Temperature resistance from cryogenic to high heat · High workability, including machining, stamping, fabricating and welding · Smooth surface finish that can be easily clean and sterilized Stainless sheet is primarily a cold rolled product, but is available as hot rolled if  needed. It can be sourced from coil in gauges from 26GA thru 7 GA, and in widths up to 72” wide. Stainless sheet can have a smooth 2B mill finish, 2D rough, or in a polished finish. Regard to Stainless steel sheets ,it is commonly known as cold rolled products with 2B/No,4 BA. All of your common requirements are available for us. As one leader of stainless steel sheet, Cong Shine (Shanghai) metal material co.,ltd welcome inquire from the world .

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  • The relationship between Nickel and Stainless Steel
    The relationship between Nickel and Stainless Steel
    • 2017-01-29 20:51:05

    The relationship between Nickel and Stainless Steel This is Cong shine (Shanghai) metal material co.,ltd. As we know , it is very import to relationship between Nickel and Stainless steel material. The normal nickel market is depend on  worldwide stainless steel production needs. And the Nickel price is also effect on stainless steel material like stainless steel pipe/ stainless steel sheet and stainless steel bar . 2/3 Nickel mine is used for making stainless steel. Nickel was discovered in 1751. It is little value until Michael added it on iron for strengthening in 1820. And then the steel with Nickel was produced weaponry in US military. The technology made nickel to a critical commodity in time of warfare. Nowadays Nickel and cobalt are used in the jet aircraft and missiles production Technically warfare increased nickel demand. Stainless steel prices gradually increased over the next decades due to increased Nickel price according to market in the world. Today nickel demand still remain strong due to stainless steel material. As we know stainless steel sheet / stainless steel pipe / stainless steel bar and stainless steel coil etc  all of them need Nickel . As the one of leaders , cong shine (shanghai)metal material co.,ltd is a reliable supply in China . We welcome all the requires from the world for any stainless steel question.

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  • What are the  stainless steel standards  ?
    What are the stainless steel standards ?
    • 2016-12-06 17:29:17

    As we know , there are different stainless steel  standardsin the world . But what is the exact difference between them .The users are always confused with different quotes from different original. And the result is complains from clients due to communication misunderstandard.  How to avoid this loss due to stainless steel standard and solve this issues . Now let  Cong shine (Shanghai) metal material co.,ltd tell you .   The most common current European standards for stainless steel are: Standard Number Title Relevant Technical Information EN 10088-1 List of stainless steels EN 10088-2 Technical delivery conditions for sheet/plate and strip for corrosion resisting steels for general purposes Chemical Composition Properties of Ferritic Steel Properties of Martensitic Steels Properties of Auesteniticsteels Properties of Duples Steels Properties of Ph Steels EN 10088-3 Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products for corrosion resisting steels for general purposes All Products Chemical Composition Standard Products Properties of Ferritic Steel Properties of Martensitic Steels Properties of Auesteniticsteels Properties of Duples Steels Properties of Ph Steels Bright Bars EN 10095 Heat resisting steels and nickel alloys Chemical Composition Ambient Temperature Properties EN 10028-7 Flat products made of steels for pressure purposes – Stainless steels Elevated Temperature Properties EN 10296-2 Welded circular steel tubes for mechanical and general engineering purposes – Technical delivery conditions – Stainless steel Chemical Composition Mechanical Properties Tolerances EN 10297-2 Seamless circular steel tubes for mechanical and general engineering purposes – Technical delivery conditions – Stainless steel Chemical Composition Mechanical Properties Tolerances EN 10216-5 Seamless steel tubes for pressure purposes – Technical delivery conditions – Stainless steel tubes Chemical Composition EN 10217-7 Welded steel tubes for pressure purposes – Technical delivery conditions – Stainless steel tubes Chemical Composition Mechanical Properties These standards have replaced the old national standards and users are encouraged to use them. However, it is clear that the old standards are still used, not least because many existing drawings and company specifications refer to them. Therefore, it is still possible to come across standards such as:BS1449 Band BS1501 for flat products BS 970 for long products The US standards such as ASTM and ASME are very important and will never be replaced. Common standards are: Standard Number Title Relevant Technical Information ASTM A240 Chromium and chromium-nickel stainless steel plate, sheet and strip for pressure vessels Chemical Composition Austenitic Steels Chemical Composition Ferritic Steels Chemical Composition Martensitic steel Chemical Composition Duplex steels ASTM A276 Standard Specification for Stainless Steel Bars a...

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