Year1
- 规格：
- 1.0-3.0*1250
- 厚度：
- 齐全
+Hot-dip galvanized plate + Galvanized plate, + Galvanized coil, + Baosteel galvanized plate refers to a steel plate with a layer of zinc on the surface. Galvanizing is an economical and effective anti-corrosion method that is often used. About half of the world's zinc production is used in this process. Galvanized steel panels are coated with a layer of steel on the surface to prevent corrosion on the surface of the steel panels and extend their service life. Metal zinc, this zinc-coated steel sheet is called galvanized sheet. +, +galvanized sheet, +galvanized coil, +hot rolled galvanized sheet, +fingerprint resistant galvanized sheet, +no flower galvanized sheet, +small flower galvanized sheet,+large flower galvanized sheet. +Steel plate, +Steel coil, +Stamped galvanized sheet, +Wear-resistant galvanized sheet. Hot-dip galvanized steel sheets can be divided into the following categories according to production and processing methods. A thin steel plate is immersed in a molten zinc bath so that a layer of zinc adheres to its surface. At present, the continuous galvanizing process is mainly used for production, that is, the rolled steel plate is continuously immersed in a plating bath containing molten zinc to make galvanized steel plate and alloyed galvanized steel plate. This kind of steel plate is also made by the hot dip method, but it is heated to about ℃ immediately after coming out of the tank, so that it can form an alloy film of zinc and iron. This kind of galvanized steel plate has good paint adhesion and weldability. This kind of galvanized steel sheet manufactured by electroplating method has good processability. However, the coating is thin and its corrosion resistance is not as good as that of single-sided galvanized plate and double-sided differential galvanized steel plate by hot dip method. Single-sided galvanized steel sheet is a product that is galvanized on only one side. In terms of welding, painting, anti-rust treatment, processing, etc., it has better adaptability than double-sided galvanized sheets. In order to overcome the shortcomings of one side not being coated with zinc, there is another type of galvanized sheet that is coated with a thin layer of zinc on the other side, namely double-sided galvanized sheet alloy and composite galvanized steel sheet. It is made of zinc and other metals such as lead, zinc alloy or even composite plated steel plate. This kind of steel plate has both excellent anti-rust performance and good coating performance. In addition to the above five kinds, there are also colored galvanized steel plates, printed and painted galvanized steel plates, PVC laminated galvanized steel plates, etc. However, hot-dip galvanized sheets are still commonly used. ) Surface condition of galvanized sheets Due to different treatment methods in the coating process, the surface conditions of galvanized sheets are also different, such as ordinary zinc flowers, fine zinc flowers, flat zinc flowers, no zinc flowers, and phosphating treated surfaces. German standards also specify surface grades. The zinc plate should have good appearance and should not have defects that are harmful to the use of the product, such as no plating, holes, cracks and scum, excessive plating thickness, scratches, chromic acid dirt, white rust, etc. Foreign standards are not very clear on specific appearance defects. Some specific defects should be listed in the contract when ordering. 5. Zinc plating amount Zinc plating amount standard value Zinc plating amount is a commonly used and effective method to express the thickness of the zinc layer of galvanized sheets. The unit of galvanizing amount is/. Japanese, American and German standards stipulate the galvanizing amount of galvanized thin steel sheets as follows. ① Performance indicators Generally speaking, only galvanized sheets for structural use, drawing use and deep drawing use have tensile performance requirements. Among them, galvanized sheets for structural use are required to have yield point, tensile strength and elongation, etc. Tensile use only requires elongation. For specific values, please refer to the relevant product standard test methods in this section. The test methods are the same as those for general thin steel plates. Please refer to the relevant standards provided and the test method standards listed for ordinary carbon steel thin steel plates. Bend test Bend test is the main item to measure the process performance of thin plates, but the standards of various countries have inconsistent requirements for various galvanized sheets. The American standards do not require bending and tensile tests except for the structural level. In Japan, bending tests are required for all products except structural grade, building corrugated panels and general corrugated panels. It is generally required that after bending the galvanized sheet, the zinc layer shall not be detached from the outer surface, and the base shall not be cracked or broken. Product Standards Galvanized Steel Sheet Colored Galvanized Iron Sheet Electro-galvanized Steel Sheet and Steel Strip General Requirements for Hot-dip Galvanized Sheet Steel Sheet Commercial Grade Hot-dip Galvanized Sheet Steel Sheet Snap-in Forming Grade Hot-dip Galvanized Sheet Steel Sheet Deep-drawn Grade Hot-dip Galvanized Sheet Steel Sheet Roofing and Walls Hot-dip galvanized steel sheets for plates, hot-dip galvanized steel sheets for channels, structural grade hot-dip galvanized steel sheets, rolled electro-galvanized steel sheets, hot-dip galvanized special deoxidized deep-drawing steel sheets, zinc thin steel sheets, partial low carbon steel, hot-dip galvanized steel strips and The steel plate part is hot-dip galvanized thin steel plate. Test Methods Standard Hot Dip Galvanizing Test Methods Hot Dip Galvanizing Test Methods. Usage and technical indicators Zinc plate and strip steel products are mainly used in construction, light industry, automobile, agriculture, animal husbandry, fishery and commercial industries. Among them, the construction industry is mainly used to make anti-corrosion industrial and civil building roof panels, roof grilles and other light industry industries to make home appliance casings, civilian chimneys, kitchen utensils, etc. Animal husbandry and fishery are mainly used for grain storage and transportation, freezing and processing equipment for meat and aquatic products, etc. Commercially, it is mainly used for storage and transportation of materials, packaging equipment, etc. List of zinc plate technical indicators, performance and specifications. Galvanized steel plate (coil) surface treatment: chromic acid passivation, oil coating, chromic acid passivation and oil coating, finishing machine, smooth surface, structural surface, structural characteristics, use, normal zinc flowers, and normal conditions after galvanizing. The zinc flower formed by condensation of the lower zinc layer is generally used to smooth the galvanized sheet through a light finishing machine, and to smooth the zinc flower on the surface of the galvanized sheet. It is mainly used as the substrate of the color-coated plate and uses wide galvanized sheet processing performance. Yield strength Tensile strength Elongation Cold bending, intact, no dezincification Deep, intact, no dezincification Mechanical bite, intact, no dezincification Extra deep, intact, no dezincification Structure &, intact, no dezincification. +price,+galvanized sheet manufacturer
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