PRE-PAINTED GALVANIZED STEEL COIL IN COILS

PRE-PAINTED GALVANIZED STEEL COIL IN COILS System 1

PRE-PAINTED GALVANIZED STEEL COIL IN COILS

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 2000 m.t./month

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PRE-PAINTED GALVANIZED STEEL IN COILS

TOP COATING :5+13 PE,

BACK:5-7 MICRONS,EPOXY ZINC COATING:60g/m2 ( +/-10g/m2)

WEIGHT PER COIL:3-6tons COIL INNER DIAMETER:508mm

STANDARD:JIS G 3312 CGCC

SIZE: 0.50mm*1200mm*C

RED/GREEN/BLUE/BLACK/WHITE COLOR

Pre Painted Steel Coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized steel sheets.

The base metals for Pre Painted Steel Coil consist of cold rolled, HDG electro-galvanized and hot-dip alu-zinc coated steel. The finish coats of Pre Painted Steel Coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.

The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.

The color of the Pre Painted Steel Coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.

The Pre Painted Steel Coil can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.

Q: What are the pros with stainless steel? You don't have to oil them as much or you don't have to oil them at all?Is the rifling in the barrel typically stainless steel as well? if so, is this better accuracy or does the rifling last longer then conventional?are they worth the extra money?Thanks for any info you can provide!: Stainless Steel Handguns

Q: What are the main factors that affect the flatness of steel coils?: The main factors that affect the flatness of steel coils include the quality and consistency of the incoming raw material, the precision of the rolling process, the tension applied during rolling, the cooling and annealing processes, and the handling and storage of the finished coils.

Q: What are the different methods of cutting edge trimming for steel coils?: There are several different methods of cutting edge trimming for steel coils, each with its own advantages and applications. Some of the most commonly used methods include: 1. Shearing: Shearing is a widely used method that involves cutting the edge of the steel coil using a pair of sharp blades. This method is relatively quick and efficient, making it suitable for high-volume production. However, shearing may result in some distortion or burrs along the cut edge. 2. Slitting: Slitting is a process where the steel coil is passed through a set of rotating circular blades that cut the coil into narrower strips. This method is commonly used when precise width control is required, such as in the production of narrow strips or slitting coils into multiple widths. 3. Laser cutting: Laser cutting is a highly precise method that uses a laser beam to cut through the steel coil. This method offers the advantage of producing clean and precise cuts without any distortion or burrs. Laser cutting is often used for complex or intricate shapes that require high accuracy. 4. Plasma cutting: Plasma cutting involves using a jet of ionized gas to cut through the steel coil. This method is particularly suitable for cutting thicker materials or for applications where high cutting speeds are required. Plasma cutting can produce clean and smooth cuts, although the edge may have a slight bevel. 5. Waterjet cutting: Waterjet cutting utilizes a high-pressure jet of water mixed with an abrasive material to cut through the steel coil. This method is highly versatile and can cut through a wide range of materials and thicknesses. Waterjet cutting is known for its ability to produce precise cuts without any heat-affected zone. 6. Sawing: Sawing is a traditional method that involves using a rotating saw blade to cut through the steel coil. This method is commonly used for thicker materials or when a rougher cut is acceptable. Sawing can be performed manually or using automated sawing machines. Each of these methods has its own advantages and considerations, and the choice of method depends on factors such as the required accuracy, production volume, material thickness, and desired edge quality.

Q: How are steel coils inspected for defects?: Steel coils are inspected for defects using various methods to ensure that the quality of the product meets the required standards. One common method is visual inspection, where trained inspectors examine the surface of the coils for any visible defects such as cracks, scratches, or dents. This is usually done by visual observation or with the assistance of magnifying tools. Another method is magnetic particle inspection, which is used to detect surface and near-surface defects such as cracks or voids. In this process, a magnetic field is applied to the steel coil, and a magnetic powder is applied to the surface. If there are any defects, the magnetic powder will be attracted to them, making them visible to the inspector. Ultrasonic testing is also commonly used to inspect steel coils for defects. In this method, high-frequency sound waves are transmitted into the coil, and the reflected waves are analyzed. Any deviations in the sound waves can indicate the presence of defects such as cracks or voids within the coil. Additionally, eddy current testing is employed to detect defects in steel coils. This method uses electromagnetic induction to generate eddy currents within the coil. Any changes in these currents caused by defects in the material are detected and analyzed by the inspector. Lastly, some steel coils may undergo destructive testing, where a sample is taken from the coil and subjected to various tests such as tension or bend testing. These tests are performed to evaluate the mechanical properties of the steel, which can indirectly indicate the presence of defects. Overall, steel coils are inspected for defects through a combination of visual inspection, magnetic particle inspection, ultrasonic testing, eddy current testing, and potentially destructive testing. These methods ensure that any defects are identified and addressed, ensuring that only high-quality steel coils are delivered to customers.

Q: I am doing a experiment on mild steel soaked in sodium chlorideanyone can enlighten me about the effect of the sodium chloride in engineering term ?The mild steel specimen which I soaked in the sodium chloride has orange rust on it: The mild steel contains a lot of Iron. The NaCl solution quickly attacks the iron content and forms rust. Over time, the solution may also cause what is called 'Chloride Cracking' of the steel. Pitting corrosion of stainless steel due to chlorides would certainly produce a rust-colored product. Passivation can be used to maintain a good corrosion resistant surface of stainless steel process vessel. There are many commercial products for this purpose. In the pharmaceutical industry, this process is often called derouging, that is to remove the buildup of iron oxides on the stainless steel process surfaces

Q: who, when and where was dual phase steel invented?: Dual Phase steels refers to a distinct group of alloys which are used for automotive bodies. These were developed to give improved deep drawing (for shaping) and strength while on the road. Most of the work was started at the same time in the 1970s as a response to the oil crisis (history repeats!) with SSAB in Europe, US Steel and British Steel leading the way. There are many variants of the dual phase alloys prefered by each of the auto manufacturers. The work on these steels led the way for TRIP (transformation induced plasticity) steels, rephosphorised steels and HSLA (high strength low alloy) steels. There is a distinction between these steels and duplex steels which typically refer to austenitic/ferrtic stainless steels. Also be aware that everyday low carbon steels with 0.1%-0.6% carbon will have a ferritic/pearlitic structure but are not considered to be dual phase So to summarise: Who - major steel companies worldwide When - from about 1973 onwards (up to around 1977 when the developments went in other directions) Where - Europe, USA and Japan (but I'm not sure who it was in Japan doing the work)

Q: Is there any other way of testing whether or not you have a 1944 Steel penny that won't damage the penny. The magnet test doesn't seem to work cause even when I try to get a 2007 penny to stick to the magnet...it won't. So is there some kind of magnet needed? Like power wise or anything like that, if not then I need to know what are other ways of testing the 1944 penny.: 1944 Steel Penny

Q: How do steel coils differ in terms of size and weight?: Steel coils can vary greatly in terms of size and weight depending on their intended use and production process. The size of a steel coil is typically measured in terms of its outer diameter, inner diameter, and width. The outer diameter refers to the total diameter of the coil, while the inner diameter refers to the diameter of the hollow center of the coil. The width of the coil refers to the distance between the two flat sides of the coil. In terms of weight, steel coils can range from a few hundred pounds to several tons. The weight of a coil is primarily determined by its size and the type of steel used. Coils made from high-strength steel tend to be heavier due to their higher density, while coils made from lower-grade steel can be lighter. The size and weight of steel coils are crucial factors in determining their transportability and handling. Smaller and lighter coils are generally easier to handle and transport, making them more suitable for applications where maneuverability is important. On the other hand, larger and heavier coils are often used in industries where strength and durability are essential, such as construction and automotive manufacturing. Overall, steel coils can vary significantly in terms of size and weight, allowing for a wide range of applications and customization to meet specific requirements in various industries.

Q: What are the different types of steel coil slitting machines?: There are several different types of steel coil slitting machines, including rotary shear slitting machines, loop slitting machines, and tension slitting machines. Each type has its own unique features and advantages, but they all serve the purpose of cutting steel coils into narrower strips.

Q: okay i got some questions of the steel plow.1st - who inveneted it? where and when?2nd - how did it work? what is it used for? what is it made of? how is it produced?okay guys thank you very much. remember best answer gets best answer 10 points!: You want ot read up on American John Deere; he madethe first plow capable of cutting the virgin sod of the great planes.

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