Galvanized Steel Coil Dx51d Hot Dipped CNBM

Galvanized Steel Coil Dx51d Hot Dipped CNBM

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Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 3000 m.t./month

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2.Packaging & Delivery

Packaging Details:	standard package
Delivery Detail:	1-4 week

3.Feature

galvanized coil steel
cold rolled galvanizing steel coil
galvanized iron steel coil

4.Specifications

Thickness	0.15mm--2.0mm
Width	50--1250mm
Zinc Coating	40gsm—275gsm
Spangle	Big, small regular spangle and zero spangle
Surface Treatment	Chromate, Galvanized, Skin Pass, Passivity and Oiled(un-oiled)
ID	508mm or 610mm
Coil Weight	3--7 Metric Tons and as requirements
Production	12,000 metric tons per month
More information of Galvanized Steel Coils/GI/PPGI/HDG
Payment Term	T/T or L/C (We usually charge 30% of the deposit first.)
Delivery Port	Qingdao Port or Tianjin Port
Delivery Time	Within 20 days after receipt of T/T or L/C
MOQ	25 metric tons or one 20 feet container
Application	General use, Color coating, Corrugated Roofing making, Outside of the buildings Structure, Deep Drawing and etc.
Ambition	Reliable product, Competitive price, On-time delivery and High standard service.

5.What is the application of Steel Coil?

There are two sides,one is out side: Workshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer booth;the other is inside: Door, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutter.

Q: What are the typical tolerances for steel coils?: The typical tolerances for steel coils depend on various factors such as the specific grade of steel, the manufacturing process, and the intended application. However, some common tolerances for steel coils include thickness tolerances of +/- 0.005 to 0.010 inches, width tolerances of +/- 0.020 to 0.050 inches, and length tolerances of +/- 0.125 to 0.250 inches. These tolerances ensure that the steel coils meet the required specifications and can be used efficiently in different industries such as automotive, construction, and manufacturing.

Q: What is the role of steel coils in the manufacturing of agricultural machinery?: Steel coils play a crucial role in the manufacturing of agricultural machinery as they are used to fabricate various components and parts such as frames, chassis, blades, and implements. The high strength and durability of steel make it an ideal material for withstanding the harsh conditions and heavy-duty applications that agricultural machinery often faces. Additionally, the versatility of steel coils allows manufacturers to customize and shape them into different forms and sizes, ensuring the production of reliable and efficient agricultural machinery.

Q: What are the challenges in coil slitting for thin gauge materials?: Successfully operating coil slitting for thin gauge materials involves addressing a specific set of challenges. One major challenge is ensuring the proper handling and stability of the thin gauge material. The material's susceptibility to deformation, wrinkling, or tearing increases as it becomes thinner. To tackle this, careful attention must be given to the handling equipment and techniques used during the slitting process. This is necessary to maintain the appropriate tension and support throughout the operation. Another challenge is maintaining consistent and precise slitting widths. Thin gauge materials are often used in applications where accuracy is crucial, such as electronic components or automotive parts. Any variation in the slitting width can cause functional defects or assembly problems. Achieving precise slitting widths in thin gauge materials requires the use of high-quality slitting knives, well-maintained slitting machinery, and accurate tension control systems. In addition, thin gauge materials are more prone to surface defects, such as scratches or burrs, during the slitting process. These defects can impact the material's appearance, performance, or even its safety. To minimize the occurrence of surface defects, it is important to carefully select slitting knives and regularly maintain the slitting machinery. Furthermore, thin gauge materials often possess a higher yield strength, making them more resistant to deformation. This poses a challenge when it comes to achieving clean and straight edges during the slitting process. Special considerations must be taken to ensure that the slitting knives are sharp and properly aligned, allowing for clean cuts without introducing any edge defects. Lastly, thin gauge materials are generally more sensitive to external factors such as temperature, humidity, or static electricity. These factors can affect the material's dimensional stability, resulting in variations in slitting width or other quality issues. Therefore, it is crucial to establish appropriate environmental conditions and implement effective anti-static measures to minimize the impact of these factors. To summarize, the challenges associated with coil slitting for thin gauge materials revolve around handling and stability, maintaining precise slitting widths, minimizing surface defects, achieving clean and straight edges, and mitigating the influence of external factors. Overcoming these challenges requires a combination of suitable equipment, techniques, and operational controls to ensure high-quality slitting outcomes.

Q: How are steel coils heat treated?: Annealing is the method used to heat treat steel coils, resulting in improved mechanical properties and overall performance. To achieve this, the coils are heated to a specific temperature and slowly cooled down. This process relieves internal stresses within the steel and enhances its performance. To begin the heating process, the steel coils are raised to a critical temperature, typically between 800°C and 900°C, depending on the desired outcome. They are then maintained at this temperature for a specific period of time, allowing for the transformation of the steel's microstructure. Once the desired time has passed, the heated coils are carefully cooled down in a controlled manner. This gradual cooling process is crucial as it allows for a uniform and refined microstructure. It also helps prevent the formation of internal stresses that could weaken the steel. The annealing process can be conducted in various atmospheres, such as air, nitrogen, or hydrogen. The choice of atmosphere depends on the specific requirements and properties desired for the steel coils. For example, annealing in a protective atmosphere like nitrogen or hydrogen can prevent oxidation or decarburization of the steel surface. In conclusion, annealing is a crucial step in heat treating steel coils, resulting in improved mechanical properties, enhanced formability, and the desired characteristics for industrial applications.

Q: How does the steel coil market vary regionally?: The steel coil market varies regionally due to several factors such as the level of industrialization, economic development, and the specific demands and requirements of each region. In developed regions such as North America and Europe, the steel coil market is relatively mature and highly competitive. These regions have well-established manufacturing industries and infrastructure, which create a strong demand for steel coils for various applications such as automotive, construction, and machinery. The market in these regions is driven by factors like technological advancements, product innovation, and the need for high-quality materials. On the other hand, developing regions such as Asia-Pacific, Latin America, and Middle East & Africa experience rapid industrialization and urbanization, driving the demand for steel coils. These regions have growing construction sectors, booming automotive industries, and increasing infrastructure projects, which contribute to the rising demand for steel coils. Additionally, the availability of low-cost labor and raw materials in some of these regions makes them attractive for steel coil production. Furthermore, the regional variations in regulations and trade policies also impact the steel coil market. Tariffs, import/export restrictions, and government initiatives to promote domestic production can affect the market dynamics. For instance, protectionist measures like trade barriers or anti-dumping policies can limit the import of steel coils, leading to increased domestic production and regional market growth. Moreover, geographical factors and climate conditions can also influence regional steel coil markets. Coastal regions with high humidity levels and exposure to saltwater require specialized corrosion-resistant steel coils, while inland regions with extreme temperatures may demand coils with specific mechanical properties to withstand such conditions. Overall, the steel coil market varies regionally due to differences in industrialization, economic factors, specific demands, regulations, and geographical considerations. Understanding these variations is crucial for steel coil manufacturers, suppliers, and consumers to effectively navigate the market and capitalize on the opportunities available in each region.

Q: How do steel coils contribute to the aerospace industry?: The aerospace industry benefits greatly from the utilization of steel coils. They serve multiple purposes in this field. Firstly, they are instrumental in the production of aircraft structures and components. Steel coils can be transformed into various forms, such as sheets or plates, which can then be shaped and welded to create essential parts of an aircraft, including wings, fuselage, and landing gear. The exceptional strength and durability of steel make it an optimal material for such critical components, guaranteeing the safety and dependability of the aircraft. Secondly, steel coils play a pivotal role in the manufacturing of jet engines. The extreme conditions and high temperatures that engines endure necessitate materials with outstanding heat resistance and mechanical properties. Steel coils, especially those made from alloys like stainless steel or nickel-based alloys, possess the requisite attributes to withstand the demanding environment within a jet engine. These coils can be processed into turbine blades, exhaust system components, and other engine parts, thereby enhancing the overall performance and efficiency of the aircraft. Furthermore, steel coils find utility in the construction of aerospace infrastructure and ground support equipment. Strong and durable materials are essential for ensuring the stability and longevity of structures like hangars, maintenance facilities, and launch pads. Steel coils are frequently fabricated into beams, columns, and other structural elements that form the foundation of these facilities, providing the necessary strength to withstand the various loads and vibrations associated with aerospace operations. In conclusion, the aerospace industry heavily relies on steel coils due to their indispensable qualities of strength, durability, and heat resistance. These coils contribute significantly to the manufacturing of aircraft structures, engine components, and aerospace infrastructure, thereby guaranteeing the safety, performance, and reliability of aircraft. This, in turn, facilitates the advancement of aviation technology and enables the exploration of new frontiers in aerospace.

Q: Are steel coils recyclable?: Yes, steel coils are recyclable. Steel is one of the most commonly recycled materials in the world. Coils made of steel can be easily melted down and used to produce new steel products, making them a valuable resource for recycling.

Q: Can steel coils be coated with abrasion-resistant materials?: Yes, steel coils can be coated with abrasion-resistant materials. These materials are specifically designed to provide a protective layer against wear and tear caused by friction, impact, or other forms of abrasion. Coating steel coils with abrasion-resistant materials helps to enhance their lifespan and durability, making them suitable for various applications that involve high levels of abrasion or mechanical stress.

Q: How are steel coils inspected for elongation?: Elongation inspections of steel coils involve various methods. One commonly used technique entails employing a tensile testing machine. This method entails extracting a small sample from the steel coil and inserting it into the machine. Subsequently, the machine exerts a pulling force on the sample until it fractures. The force required to cause the sample to break is measured, and this data is utilized to determine the elongation of the steel coil. Ultrasonic testing represents another approach adopted to inspect steel coils for elongation. In this method, high-frequency sound waves are transmitted through the steel coil. Through the analysis of the sound wave reflections, it becomes feasible to ascertain the elongation and other characteristics of the steel coil. Visual inspection also holds significant importance in the examination of steel coils for elongation. Trained technicians visually scrutinize the steel coils for any indications of stretching or deformation, which may indicate excessive elongation. In conclusion, a comprehensive inspection of steel coils for elongation and adherence to industry standards entails a combination of mechanical testing, ultrasonic testing, and visual inspection. This approach ensures the quality and compliance of the steel coils.

Q: I'm looking for steel to make knives, but don't know what to get.: Buying good knifes now-adays is very difficult as most steel is made abroad and the quality is not the same as it used to be, British steel made in Sheffield used to rule the world but alas no more! so basically you get what you pay for, so you must be prepared to part with a substantialal amount of your hard earnt cash to get the best.

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