Marketplace

#cr #sheet #manufacturer [a]https%3A%2F%2Fwww.huaro-shanghai.com%2Fproducts%2Fcold-rolled-steel-sheet.html[/a] Description of Cold Rolled Sheet The china cr sheet is manufactured from the hot rolled sheet. The china hot rolled steel sheet is cleaned chemically and processed further in cold reduction mills, where the material is cooled (at room temperature) followed by annealing and/or tempers rolling. This process will produce steel with closer dimensional tolerances and a wider range of surface finishes. Cold rolling increases strength, enhances the surface finish and offers uniform thickness. To prevent the cold rolled coils from rust, they are usually coated with a thin layer of oil. Further coating of Zinc-Aluminium alloy or galvanization on the metal can be processed. HUARO Steel offers china cr sheet coil in a range of international standard grades. As a professional cold rolled steel sheet factory, HUARO offers high-quality cold rolled steel sheet for sale, come and buy cold rolled steel sheet at HUARO. Production Process of Cold rolled steel sheet The china cold rolled steel sheet as known as CRS. The CRS is made of hot rolled steel products. The cold rolling process helps to obtain the china cold rolled steel strip from the cooling (in the cold rolling mill) of hot rolled pickled products (made from finest steel), which is reduced too much finer thickness with increased strength via strain hardening (up to almost 20%). The resulting Cold Rolled Steel Sheets are smaller as compared to the sheets formed by the hot rolling process, and they are less ductile. They possess improved surface finish and tighter tolerances. Applications of Cold Rolled Steel Sheet Tube making Shelving Automotive parts Containers and drums White goods and furniture Flooring systems Precision tubes Packaging Industry Steel Grade Available of Cold Rolled Steel Sheet ASTM (USA) : A 1008: DS type A & B, DDS, EDDS, EDDS+ DIN (GERMANY) : DIN 17100: ST 37.3, ST 44.2, ST 44.3, ST 52.3 EN (EUROPE) : EN 10268: HSLA 340, HSLA 420,EN 10130: DC 01, 03, 04, 05/06 JIS (JAPAN) : G 3141: SPCD, SPCE, SPEN, SPRC 340/ 390,SPFC 340/ 390/ 440

Cold Rolled Coil

#steel #coil #sales [a]https%3A%2F%2Fwww.huaro-shanghai.com%2Fproducts%2Fcold-rolled-coil.html[/a] Description of Cold Rolled Coil Cold rolled coil, as known as cr steel coil, CRS or CRC. Cold rolled steel coil sales are a farther product that uses hot rolled steel coils to do further processing. The further processed steel coil put in a cold rolling mill where the material is cooled (at room temperature) and then annealed and/or tempered. This process will make the steel coils become smaller dimensional tolerance and a wider surface finish result. In the Chinese market, the product name prefers to name as cold rolling, but the correct product name should be flat sheet or coils. As one of the professional cr coil factory, HUARO offers high-quality cold rolled steel coil for sale, come and buy cold rolled steel coil at HUARO. The cold rolled steel coil is made of hot rolled steel coil. The surface scale can be removed during pickled treatment and the finish mill. The Cold Rolled Steel Coil is farther and thinner than the hot rolled coil. The main difference between the hot and cold rolled steel coil is the thickness, surface treatment, and the rolling temperature. Main Advantages of Cold Rolled Steel Coil Cold rolled steel/coils offer a variety of cold rolled steel sheet and coil products and value-added services to meet customer needs. HUARO's Cold Rolled Steel Coil service capabilities include slitting, shearing, blanking, leveling, degreasing and brushing, and metallurgical support. Production Process of Cold Rolled Steel Coil Cold rolled steel coil is rolled at room temperature, below its recrystallization temperature, which enables better control over finished product shape, thickness, dimensions and surface finish. The cold rolling process helps to obtain the CR coils from the cooling (in the cold rolling mill) of hot rolled pickled products (made from finest steel), which is reduced too much finer thickness with increased strength via strain hardening (up to almost 20%). The resulting CR coils are smaller as compared to the coils formed by the hot rolling process, and they are less ductile. They possess improved surface finish and tighter tolerances. Application of Cold Rolled Steel Coil Cold rolled steel coils application field usually in which high standard of dimensional tolerances, strength and surface finish quality. The normal industry field for cold rolled steel coils will as below: Metal Furniture Automobile Components Electronics Hardware Home Appliances and Components Lighting Fixtures Construction Dimension Description Thickness (mm) Width (mm) Length (mm) Cold-rolled coils 0.35-3 600 -1650 - Narrow strips 0.35-2 60-599 - Hot-rolled sheets 0.35-3 600 -1510 750-4000 Minimum and Maximum Weight of Coils Width (mm) As rolled (mt) One cut (mt) Two cuts (mt) 600 - 690 5.4-10.8 3.5-5.4 2.3-3.06 691-790 6.5-12.3 4.0-6.2 2.7-7.4 791-890 7.5-13.9 4.6-7.0 3.0-4.6 891-990 8.2-15.4 5.1-7.7 3.4-5.1 991-1090 9.3-16.8 5.6-8.4 3.7-5.6 1091-1190 10.2-18.4 6.2-9.2 4.1-6.1 1191-1290 11.0-19.9 6.7-10.0 4.4-6.6 1291-1390 12.0-21.4 7.2-10.7 4.8-7.1 1391-1490 13.0-23.0 7.8-11.5 5.2-7.7 1491-1650 13.5-23.8 8.3-11.9 5.5-7.9

Tinplate Sheet

#Tinplate [a]https%3A%2F%2Fwww.huaro-shanghai.com%2Fproducts%2Ftinplate-sheet.html[/a] Description of Tinplate Sheet Tinplate sheet refers to the two sides coated with commercially pure tin cold rolled low carbon sheet or steel strip. Tinplate steel sheet is the low carbon steel rolled into steel plate, after pickling, cold rolling, electrolytic cleaning annealing, leveling, cutting edge processing, and then after cleaning, electroplating, soft melting, passivation treatment, oiled and cut into tinplate sheet products. As one of the professional tinplate steel sheets suppliers, HUARO offers high-quality tinplate sheets for sale, come and buy tinplate sheets at HUARO. Use of Tinplate Sheet: Tinplate sheet is widely used. It is mainly used in the production of metal packaging, including canned food, drinks, chemicals, medicine, health, coatings, paint, spray, cosmetics bottle caps. Features of Tinplate Sheet: Tinplate sheet combines the strength and formability of steel with the corrosion resistance, soldering properties and bright appearance of tin in one material. It has the characteristics of corrosion resistance, non-toxic, tasteless, high strength, and good ductility. At the same time, tin plated steel sheet can be highly engineered and it is easy to process. The tinplate sheet also has low pollution to the environment and is easy to recycle. Advantages of Tinplate Sheet: Tinplate sheet has the properties of light-proof, good sealing and tin reduction. After being made into a container, tin on the tinplate sheet will interact with oxygen remaining in the container during filling, reducing the chance of oxidation of food components. Because of these properties, tinplate sheet containers can provide a closed system that is completely insulated from environmental factors except heat. Therefore, when tinplate sheet is used in food packaging materials, it can avoid food to become bad because of light, oxygen, moisture, and avoid food to become weak because of aroma through or by environmental odor through pollution and the stability of food storage is better than other packaging materials, the preservation rate of vitamin C is the highest, the preservation of nutrients is also the best. Now the price of tin plated steel sheet is reasonable, if you have needs, please contact us. If you want to know more kinds of cold rolled steel, please visit our website.

Tinplate Coil

#Tinplate [a]https%3A%2F%2Fwww.huaro-shanghai.com%2Fproducts%2Ftinplate-coil.html[/a] Description of Tinplate Coil Tinplate is made from the cold-rolled sheet which is electroplated with tin. Tin coatings'function is corrosion resistance to steel substrates and preservation of fast and canned foods. Also, the surface of tinplate is suitable for printing and screen printing. Tinplate coil is widely used in the canning, can ends, larger containers and a range of closed parts packaging industry. Different thickness of tinplate coating can be produced to meet specific requirements. Production Process of Tinplate Coil 1. Charging the Coil: The charged coil is welded to the preceding coil in order to run the facility continuously. 2. Side Trimming: The material is side trimmed to the final width 3. Clean & Pickle: The strip is next electrolytic ally cleaned, pickled, and rinsed by running through a series of tanks to ensure the surface is clean and suitable to accept the electro-deposition of tin. 4. Electroplating: The strip passes through tanks containing tin anodes on either side of the strip and tin electrolyte. 5. Melting Tower (Tin Reflow): The electrolytic tinplate next passes through a melting tower 6. Chemical Treatment: A sodium dichromate solution is next applied to the electrolytic tinplate to create a light protective chromium oxide film. 7. Oiling: The oil is applied to minimize scratching the tin surface in transit and handling. 8. Recoiling: The finished tinplate product finally recoils at the exit end of the electrolytic tin line on a take-up reel that most commonly has a 420mm inside diameter (ID). 9. Quality Inspection: The entire process is monitored automatically and manually to ensure that the material conforms to specification and meets customer expectations. Application of Tinplate Steel Coil The application of tinplate coils is very wide. From the packaging materials for food and beverages to grease cans, chemical cans and other miscellaneous cans, the advantages and characteristics of tinplate provide physical and chemical protection of the contents. As a reliable and professional steel raw material suppiler, Huaruo aims to manufacture the best quality steel products to satisfy various needs of the customers. We can also offer kinds of steel slab for sale, if you have needs, please contact us.

Steel Bloom

#Bloom [a]https%3A%2F%2Fwww.huaro-shanghai.com%2Fproducts%2Fsteel-bloom.html[/a] Description of Steel Bloom Usually, during hot rolling, the bloom is a semi-finished nearly square solid metal form between the ingot and the billet. The cross-section of the slab bloom is usually greater than 225 square centimeters and about 8 to 12 meters long. In the rolling mill, it is broken down into finished products such as bars, beams and sheet piles. In earlier mills, ingots were made from cast ingots (called "nodular iron"), but in modern mills they are made by continuous casting. Production Procedure of Steelbloom The ingots, still hot sometimes, reach the tram plate mill and billet mill and are placed upright in a soaking pit under the floor by a special crane. Steel bloom are rectangular gas chambers about 5 meters deep, in which four to eight ingots are simultaneously heated to about 1,250°C (2,300°F). The soaking pit is highly computerized and can be used for scheduling, firing rate, heating time (lasting 8 to 18 hours) and rolling programs. After heating, the conveyor carries the hot ingot to a two-high reversing mill, which passes, again and again, turning the roll and roll table over each time the ingot passes. Since each pass reduces the bloom by only about 50mm, 21 passes may be required, including several edges pass, and the bloom stands upright on its edge to obtain a slab bloom billet of 150mm*150mm. HUARO offers high-quality steel products, steel raw material and other raw material. We depend on Huaruo worldwide supply chain to introduce and export our superior products.