This is the Prepainted Galvanized steel Coil

This is the Prepainted Galvanized steel Coil System 1

This is the Prepainted Galvanized steel Coil

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 100000 m.t./month

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1.Structure of Prepainted Galvanized steel Coil

With Gi as base metal, after pretreatmet (degrease and chemical treatment) and liquid dope with several Layers of color, then after firing and cooling, finally the plate steel is called pre-painted galvanized steel ( PPGI) .Pre-painted galvanized steel is good capable of decoration ,molding, corrosion resistance

2.Main Features of Pre-painted Galvanized steel Coil

• Workability, durability

• Smooth and flat surface

• Excellent heat resistance performance

• Good formability

• High strength

• Excellent process capability

• Good visual effect

3.Pre-painted Galvanized steel Coil Images

This is the Prepainted Galvanized steel Coil

4. Pre-painted Galvanized steel Coil Specification

Standard: ASTM, GB,JIS,JIS G3302 ASTM 755 EN10169

Grade: DX51D CGCC CS

Chemical composition:

0.150

0.476

11.231

12.50

0.900

0.039

0.010

5.FAQ of Prepainted Galvanized steel Coil

1. 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 15-25 days, but the shipment will depend on the vessel situation.

Q:How are steel coils inspected for surface defects using non-destructive testing methods?: Steel coils are inspected for surface defects using non-destructive testing (NDT) methods to ensure their quality and integrity. There are several common NDT methods employed in this process. One of the most widely used methods is visual inspection, where trained inspectors visually examine the surface of the steel coils for any visible defects such as scratches, cracks, pits, or corrosion. This method is relatively simple and cost-effective but is limited to detecting only surface-level defects. Another commonly used NDT method is magnetic particle testing (MT). This method utilizes the principles of magnetism to identify surface and near-surface defects in ferromagnetic materials like steel. A magnetic field is applied to the steel coil, and iron particles are applied to the surface. If there is a defect, such as a crack or discontinuity, the iron particles will concentrate around it, making the defect visible to the inspector. Liquid penetrant testing (PT) is another NDT method used to inspect steel coils for surface defects. In this method, a liquid penetrant is applied to the surface of the coil. The penetrant is drawn into any surface defects by capillary action. After a certain period, excess penetrant is removed, and a developer is applied. The developer draws out the penetrant from any defects, making them visible to the inspector. Ultrasonic testing (UT) is a widely used NDT method that can detect both surface and subsurface defects in steel coils. High-frequency sound waves are transmitted into the steel coil, and the reflected waves are analyzed to identify any abnormalities. This method can detect defects such as cracks, inclusions, and voids that may not be visible to the naked eye. Additionally, eddy current testing (ECT) is another NDT method used for inspecting steel coils. This method utilizes electromagnetic induction to detect surface and near-surface defects. A coil carrying an alternating current is placed near the surface of the coil being inspected. Any changes in the coil's electrical conductivity caused by surface defects are detected and analyzed, allowing the inspector to identify and evaluate the severity of the defects. In conclusion, steel coils are inspected for surface defects using various non-destructive testing methods such as visual inspection, magnetic particle testing, liquid penetrant testing, ultrasonic testing, and eddy current testing. These methods ensure the quality and integrity of the steel coils before they are used in various applications.

Q:What is the difference between galvanized and galvalume steel coils?: Galvanized steel coils are coated with a layer of zinc, which provides protection against corrosion. On the other hand, galvalume steel coils are coated with a combination of zinc and aluminum, offering enhanced corrosion resistance and better heat reflectivity. Additionally, galvalume steel coils have a longer lifespan and superior performance in harsh environments compared to galvanized steel coils.

Q:I am searching for an online article which discusses any aspect of the use of austenitic stainless steels. I was just wondering if anyone could help me find one. No sales articles. Thank you!: *Austenitic, okorder

Q:What are the different methods of coil recoiling for steel coils?: Steel coils can undergo coil recoiling using various methods, each with its own advantages and applications. Some commonly used methods include: 1. Slitting and rewinding: This method entails cutting the wide steel coil into narrower strips, which are then rewound into smaller coils. Circular blade slitting machines are typically employed for steel cutting, while the rewinding process ensures tight and uniform winding of the narrower strips. Industries like automotive, construction, and packaging widely employ this method. 2. Rewinding with tension control: This method involves unwinding and rewinding the steel coil using tension control systems. These systems maintain consistent tension throughout the recoiling process, resulting in uniform winding quality. This method proves beneficial when handling delicate or sensitive materials that require gentle treatment. 3. Recoiling with edge trimming: In situations where steel coil edges are damaged, uneven, or flawed, edge trimming can be combined with the recoiling process. Edge trimming machines remove defective sections, ensuring coils with smooth and even edges. 4. Recoiling with surface treatment: Steel coils often undergo surface treatment processes like oiling, coating, or galvanizing to enhance corrosion resistance or improve surface properties. Recoiling can be performed alongside these treatments, guaranteeing proper application and uniform coverage across the entire coil surface. 5. Recoiling with tension leveling: Tension leveling is a process that eliminates coil shape defects, such as coil set or crossbow, by applying tension during recoiling. This method ensures a flat and even coil shape, which is advantageous for subsequent processing and manufacturing operations. 6. Recoiling with precision slitting: Precision slitting is a specialized method used to achieve extremely narrow strip widths or tight tolerances in the steel coil. It involves precise control of slitting knives and winding tension to ensure accurate and consistent strip dimensions. Industries requiring high precision, such as electronics or precision engineering, commonly employ this method. In summary, the choice of coil recoiling method depends on factors such as desired coil dimensions, material characteristics, surface requirements, and the specific industry or application. Manufacturers often combine multiple methods to meet the diverse needs of their customers.

Q:I'm looking for steel to make knives, but don't know what to get.: high carbon steel is the best for a knife

Q:Does te game end with broken steel? What is broken steel? I bouht it cuz my buddy said I should.: Broken Steel is an addon that lets you continue the story after the business with the final battle for the Purifier and extends to level cap to... 30? 40? Can't quite remember. In Broken Steel you side with the BoS to wipe up what is left of the Enclave in the Capital Wastelands, in the end infiltrating and (possibly) destroying a huge armored crawler-base (or you can blow up the Citadel, the BoS HQ, your call). Anyway the game won't end after your final decision and you can continue wreaking havoc over the wasteland, exploring, whatever.

Q:In terms of weight to strength titanium is stronger. But is it stronger than mild steel? If it is stronger, how much stronger is it?: Contrary to what we are usually told, Ti weight to strength ratio is better only for lower strength alloys. Steels match or best Ti and Al alloy ratio's for high strengths. Hard to answer this question, due to varying effects of cold work, alloying, and heat treatments. In general, traditional mild steels with little cold work are about equivalent strength to commercially pure Ti. Cleverly selected mild steels with extensive cold work have greater UTS (and really greater SMYS) than commercially pure Ti, and approach strength of the best Ti alloys. Ti starts at about 60ksi UTS for commercially pure, and goes up to about 200ksi for high strength alloys. Mild steel has varying definitions. Plain carbon steels use virtually no alloying materials other than carbon. Low carbon steels starting in the 1008 (0.08% carbon) range can be cold worked to 100ksi UTS, while 1030, the maximum carbon for mild steel per one source, can be cold worked up to about 180ksi. Simple steels can go about 215 ksi UTS at fairly reasonable cost with lesser cold work than I was using because producers can't make stronger steels with higher degrees of cold work. High strength alloys can best 350ksi at impressively high cost. (and they match best titanium alloy strength to weight ratio). They are why wide body aircraft have lots of steel - landing gears, flap mechanisms, etc. Don't know about cold working Ti though. It doesn't seem to be done much, but difficult to find info.

Q:Can steel coils be coated with noise-reducing materials?: Yes, steel coils can be coated with noise-reducing materials.

Q:Can steel coils be coated with holographic patterns?: Yes, steel coils can be coated with holographic patterns. This coating process involves applying a thin layer of holographic material onto the surface of the steel coils, creating a visually striking and distinctive holographic pattern.

Q:The strip tower height: Definition and appearance: the ends of the steel coils are uneven, one circle higher than the circle, showing a different degree of pagoda shape or bread shape.

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