Galvanized Steel Coil with No Spangle in High Quality

Galvanized Steel Coil with No Spangle in High Quality System 1

Galvanized Steel Coil with No Spangle in High Quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls
1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

2.Main Features of the Hot-Dip Galvanized Steel Sheet：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images：

Galvanized Steel Coil with No Spangle in High Quality

4.Hot-Dip Galvanized Steel Sheet Specification：

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.1mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

Galvanized Steel Coil with No Spangle in High Quality

5.FAQ of Hot-Dip Galvanized Steel Sheet ：

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

Q:We all know that when we drop a small steel ball (size 3mm diameter; weight 1.10 grams) and a paper (size 11.7 inches length and 8.3 inches breadth; weight 4.5 grams) from a height. The steel ball will win the race to the ground due to its aerodynamic structure.Now imagine the same steel ball with the same weight converted to the structure similar that of paper. What will be the result? Which object will fall first; steel sheet or paper?: The 2 objects will have the same size and shape. Therefore they will have the same air resistance. So the heavier object (the sheet of paper) will reach the ground first.

Q:i would like to make a dmascus steel knife, i have the cable but im not sure if its damascus steel or not, how do i tell? and if it isnt damascus steel how do i make a bar of it?: Here's what you need, the cable should be a minimum of 9/16 with large wires. You need some borax (20 mule team from the store). A good hot coal, coke, or gas forge. If the cable has fiber rope in the center it will need to be removed. Fuse the ends of the cable to keep them from coming apart. I use my welder and while I'm at it I weld a handle to make it easier. Heat it in the forge when the forge is properly heated, rotate it. Some people will burn the oil out, but I've found that the forge does that just fine. Rotate the cable while it's heating. When it begins the turn red pull it out and sprinkle the borax over it, don't hold back use a lot. It will begin to melt and bubble into the steel. Put the cable back in the forge, rotate and watch. This is the critical part. When the steel starts to turn from orange/yellow to almost yellow/white take it out and lightly (I use a 2lb hammer) begin hammering the cable into a square or rectangle. If you do it right you'll notice that it will begin to fight the hammer, that's when you know the weld it taking place. You'll have to repeat the process down the length of the cable. Once you have the billet made you can begin the process of shaping the edge and tang. Once you have it shaped, follow proper forge procedure then grind all the yuck off and finish shaping. Then harden and temper and finish it out. Good luck. I almost forgot a very important part. Befor you start hammering put the cable in a vice while at welding temp (if you are strong you can use a couple of plyers) and twist it tight. On the next heat hold the cable in your left and and lay it on the anvil. Concentrate on your light hammer blows being on your side of the cable. This forces the cable strands together. If you are using smaller cable like 9/16 you can double the cable up and weld two peices together, it is easier and makes for a prettier blade. Doing this you don't have to worry about twisting the cable and you can hit it much harder to start with.

Q:What are the quality control measures for steel coil production?: Quality control measures for steel coil production are essential to ensure that the final product meets the required standards and specifications. Here are some key quality control measures commonly employed in the steel coil production process: 1. Raw Material Inspection: Before production starts, the raw materials such as steel billets are thoroughly inspected for their chemical composition, mechanical properties, and surface defects. This ensures that only high-quality materials are used in the production process. 2. Process Control: Throughout the production process, various process control measures are implemented to monitor and control critical parameters. These may include temperature control, rolling speed, tension control, and lubrication. Regular checks and adjustments are made to ensure that these parameters are within the specified tolerances. 3. Dimensional and Surface Inspection: Steel coils undergo rigorous dimensional and surface inspections to ensure that they meet the required thickness, width, and length specifications. Surface defects such as scratches, pits, or dents are also carefully examined and minimized to meet quality standards. 4. Mechanical Testing: Mechanical properties such as tensile strength, yield strength, elongation, and hardness are tested on a regular basis. These tests are crucial to ensure that the steel coils possess the desired strength and performance characteristics. 5. Visual Inspection: Visual inspection is an important quality control measure to identify any visible defects or irregularities in the steel coils. Trained inspectors check for issues like cracks, corrosion, or uneven surfaces, and take necessary actions to rectify or reject the faulty coils. 6. Non-Destructive Testing: Non-destructive testing methods like ultrasonic testing, magnetic particle testing, or eddy current testing are often employed to detect internal defects such as voids, inclusions, or discontinuities that may impact the quality of the steel coils. 7. Documentation and Traceability: Proper documentation and traceability of all quality control measures are maintained throughout the production process. This includes recording test results, inspection reports, and other relevant data to ensure transparency and accountability. 8. Continuous Improvement: Quality control measures in steel coil production are not static but subject to continuous improvement. Regular audits, feedback from customers, and analysis of process data are used to identify areas for improvement and implement corrective actions to enhance product quality. By implementing these quality control measures, steel coil manufacturers can ensure that the final product meets the required specifications, performs reliably, and achieves customer satisfaction.

Q:what do they use to make stainless steel?and can stainless steel be melted again and again without losing it's Specifications: The basic ingredient is from 11%-30% chromium, however in many stainless steels nickel or manganese are important secondary ingredients. There are two basic types of stainless steels: 1)austenitic stainless steels, and 2)ferritic stainless steels. In austenitic SS the important ingredients are Chromium and Nickel. (Chromium and manganese are occasionally use instead of nickel.) It's important to note that many austenitic SS's contain almost no carbon, so by some definitions they are not steel at all but iron/chromium/nickel alloys. the additions of nickel (or manganese) actually changes the crystal structure of the iron, so the properties of these types are quite different from normal carbon steels. Austenitic SS have very good to excellent corrosion resistance, and fairly good heat resistance. In ferritic stainless steels, the important ingredients are chromium and carbon. Ferritic stainless steels have markedly greater strength than austentitic types. However since they contain less chromium than austenitic types they are only moderately corrosion resistant and are much less heat resistant. Without the addition of nickel and/or manganeese adding more than about 20% chromium tends to make the steel brittle. Most stainless steel is melted under an inert argon atmosphere in an airtight furnace. Melting stainless in open air would preferentially oxidize the chromium, forming slag which would float to the surface of the steel, thus reducing the chromium content. Chromium also tends to react with nitrogen in the air at high temperatures, exposure to nitrogen tends to cause brittleness in stainless steels. As long as the manufacturer keeps careful control of the composition of the metal and the level of impurities during melting, stainless is endlessly recyclable.

Q:i would like to know of any companies who buy shredded scrap steel: We are one of the biggest steel mills in Asia. Under our group, we have steel mills in Thailand and Bangladesh. On the monthly basis, we purchase steel scrap HMS1/2 80:20 and the shredded ISRI210/211, ISRI211 by bulk and 20' container to Thailand and Bangladesh. Due to the limitation of our existing shredded steel scrap supplier, we need to get more supply of the shredded. Please contact us or offer us of ISRI 210/211 or ISRI211 CFR Chittagong, Bangladesh with 500mt - 2000mt per shipment by 20' container. If any questions, please feel free to contact us.

Q:What is the standard weight of steel coils?: The weight of steel coils can differ based on the particular type and dimensions of the coil. Nevertheless, in broad terms, the weight of steel coils usually spans from a few hundred kilograms to multiple metric tons. The thickness, width, and length of a steel coil play a crucial role in determining its weight. Numerous industry standards and specifications are in place to govern the production and commerce of steel coils, encompassing directives for establishing the suitable weight range for different coil sizes.

Q:How are steel coils used in the manufacturing of renewable energy equipment?: Steel coils are used in the manufacturing of renewable energy equipment, such as wind turbines and solar panels, as they provide structural support and durability. The coils are typically used to create the framework or housing for these devices, ensuring their stability and protection against harsh environmental conditions. Additionally, steel coils are also utilized in the production of electrical components and wiring systems, which are essential for the generation and transmission of renewable energy.

Q:i know that steel helmets werent meant to stop bullets, but i was wondering do they have an value whatsoever for stopping bullets, or is that just yet another thing that hollywood made up(like the omaha beach scene in saving private rian): Steel Pot Helmet

Q:What is the role of steel coils in the production of pipes and tubes?: Steel coils are essential in the production of pipes and tubes as they serve as the primary raw material. These coils are unwound and fed into a pipe or tube mill where they are shaped, welded, and formed into the desired dimensions. The high strength and durability of steel make it an ideal choice for manufacturing pipes and tubes, ensuring their structural integrity and ability to withstand various applications and environments.

Q:How do steel coil manufacturers manage inventory?: Steel coil manufacturers manage inventory through various strategies and techniques to optimize production, minimize costs, and meet customer demands. Here are some common practices employed by steel coil manufacturers to effectively manage their inventory: 1. Demand forecasting: Steel coil manufacturers analyze market trends, historical sales data, and customer orders to forecast future demand accurately. This helps them determine the required inventory levels and plan production accordingly. 2. Just-in-time (JIT) inventory: Many steel coil manufacturers follow the JIT inventory system, where they maintain minimal inventory levels by receiving raw materials shortly before production and delivering finished goods immediately after production. This approach minimizes carrying costs and reduces the risk of excess inventory. 3. Supplier collaboration: Close collaboration with suppliers is crucial to manage inventory effectively. Steel coil manufacturers work closely with their suppliers to ensure timely delivery of raw materials, monitor quality, and maintain consistent supply. Regular communication and sharing of production forecasts help suppliers plan their inventory accordingly. 4. Safety stock: Steel coil manufacturers maintain a certain level of safety stock to account for unpredictable fluctuations in demand, supply chain disruptions, or delays in raw material deliveries. This acts as a buffer to avoid stockouts and maintain customer satisfaction. 5. Inventory control systems: Implementing modern inventory control systems, such as Enterprise Resource Planning (ERP) software, allows steel coil manufacturers to track inventory levels, monitor stock movements, and automate various inventory management processes. These systems provide real-time data and analytics, enabling better decision-making and improved inventory accuracy. 6. Efficient production planning: Steel coil manufacturers optimize production planning to minimize inventory holding costs. They schedule production based on demand forecasts, prioritize orders, and aim for efficient production runs to reduce setup times and material wastage. 7. Regular inventory analytics: Steel coil manufacturers regularly analyze their inventory data to identify slow-moving items, obsolete stock, or excess inventory. By identifying such issues, they can take corrective actions like offering discounts, initiating sales promotions, or adjusting production schedules to prevent inventory buildup. Overall, effective inventory management is crucial for steel coil manufacturers to maintain a lean and efficient operation while meeting customer demands. By applying these strategies, manufacturers can strike a balance between supply and demand, reduce costs, and improve customer satisfaction.

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