Prepainted Galvanized Steel

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Product Description:

Prepainted Galvanized Steel

With galvanized steel as base metal, after pretreatment (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. Pre-painted galvanized steel is good capable of decoration, molding, corrosion resistance. It generally displays superior workability, durability and weather resistance.

Brand Name: HBSTEEL

Specifications OfPrepainted Galvanized Steel

Thickness 0.20-1.2mm (BMT)

Width 600-1250mm

Zinc Coating 100-275g/m2

Color According to RAL color fan or as per request

Internal Diameter 508mm or 610mm

Coil Weight 3-6MT

Quality Commercial and structural quality

Paint Polyester paint for topside, epoxy for reverse

Standard JIS G 3312, ASTM A755M, EN 10169

Base Steel Grade SGCC,SGCD,DX51D+Z,DX52D+Z;S200GD,S220GD,S280GD,S350GD,CS,FS,SS

Chemical Composition Of Prepainted Galvanized Steel

C	Si	Mn	P
0.04-0.06%	0.01-0.03%	0.18-0.22%	0.014-0.016%

Technical Data Of Prepainted Galvanized Steel

Yield Strength	(Mpa) 280-320
Tensile Strength	(Mpa) 340-390
Elongation	20%-30%
Reverse Impact	9J
T-bending	≥2T
Pencil Hardness	≥2H
Duration Of Salt Spray Test	500 H
Bending At 180 Degree	No crack, purling and fraction

Applications OfPrepainted Galvanized Steel

It can be widely used in transportation, light industry, civil usage and farming. It is also the perfect building material in construction for making steel roofing,insulation panel, corrugate sheet, facade wall,shutters,T-bar and home appliance.

Production Flow Of Prepainted Galvanized Steel

Production flow of hot sell prepainted galvanized steel include dual uncoiler,stitcher, bridles, entry accumulater, degreasing & chemical section, prime coater, prime oven, prime water quench, finish coating, finish back coater, finish oven, finish water quench, exit accumulater and recoiler.

Q:What is the process of pickling and oiling steel coils?: To ensure the quality and protection of steel coils, a series of steps are undertaken in the process of pickling and oiling. The first step involves pickling, wherein impurities and scale are removed from the surface of the steel coil. This is achieved by immersing the coil in an acid bath, such as hydrochloric acid or sulfuric acid, which effectively dissolves any oxides, rust, or contaminants present on the surface. This step is critical as it readies the steel for further processing and safeguards against potential defects or corrosion. Following pickling, the steel coils are rinsed with water to eliminate any residual acid and then dried. Once they are clean and dry, a layer of oil is applied to provide temporary corrosion protection and lubrication during subsequent handling and transport. The oil coating acts as a barrier, preventing rusting or oxidation before the steel undergoes further processing or is utilized in various applications. The oiling process can be executed through various methods. One common approach is to apply the oil using a roller or brush, ensuring an even coating across the entire surface of the coil. Alternatively, the coils can be passed through a bath or spray chamber where the oil is administered. The choice of oil depends on the specific requirements of the steel and its intended use, with options ranging from mineral oil and synthetic oils to specialized rust-preventive coatings. Once the oiling process is complete, the steel coils are typically stacked, wrapped, or packaged for storage or transportation. It is crucial to handle the coils with care to avoid damaging the oil coating and compromising the corrosion protection it provides. Overall, the pickling and oiling of steel coils are indispensable steps in the steel manufacturing process. They ensure the quality, cleanliness, and protection of the steel, thereby prolonging its lifespan and enhancing its performance in various applications.

Q:How are steel coils used in appliances?: Steel coils are used in appliances to generate heat or create magnetic fields. They are commonly found in stovetops, ovens, and refrigerators, where they are responsible for heating elements or powering motors.

Q:How are steel coils used in the production of structural steel?: Steel coils are widely used in the production of structural steel due to their versatility and efficiency. These coils, which are made by rolling steel into a cylindrical shape, serve as the raw material for various structural steel products. One of the primary uses of steel coils in the production of structural steel is in the manufacturing of beams and columns. These coils are processed in steel mills, where they undergo cutting, shaping, and bending to form the desired profiles. Beams and columns are essential components of any building or infrastructure project as they provide support and stability. Steel coils are also used in the fabrication of steel plates, which are widely used in the construction industry. These plates are used for flooring, cladding, and roofing purposes, adding strength and durability to structures. By using steel coils as the starting material, manufacturers can produce steel plates of various thicknesses and sizes according to project requirements. Furthermore, steel coils are an integral part of the production process for pipes and tubes. These coils are formed into a cylindrical shape and then welded or seamless to create pipes and tubes of different diameters. Steel pipes and tubes are vital for various applications, including water and gas transportation, structural frameworks, and industrial systems. In addition to these applications, steel coils are also used in the production of other structural steel products such as angles, channels, and hollow sections. These products are widely used in construction projects, providing structural support, reinforcement, and aesthetic appeal. Overall, steel coils play a crucial role in the production of structural steel by serving as the raw material for various products. Their versatility, ease of processing, and strength make them an ideal choice for manufacturers, ensuring the production of high-quality and reliable structural steel components.

Q:How are steel coils inspected for elongation using elongation testers?: Steel coils are inspected for elongation using elongation testers by following a specific procedure. First, a representative sample is taken from the steel coil, which is then prepared for testing by cutting it into a specific size and shape. The sample is usually in the form of a flat strip. The prepared sample is then placed into the elongation tester, which consists of two clamps. One end of the sample is securely held in one clamp, while the other end is held in the other clamp. The clamps are designed to prevent any slippage during the testing process. Once the sample is properly clamped, the elongation tester applies a tensile force to the sample. This force gradually increases, causing the sample to elongate. As the sample elongates, the tester measures the change in length using a precision measuring instrument, such as a strain gauge or an extensometer. The elongation tester records the original length of the sample before the test and continuously measures the length as the force is applied. The elongation is calculated by subtracting the original length from the final length of the sample and then dividing it by the original length. This gives the percentage of elongation. The obtained elongation value is compared to the specified elongation requirements set by industry standards or customer specifications. If the elongation falls within the acceptable range, the steel coil is deemed to have passed the elongation test. If the elongation value exceeds the allowable limits, the steel coil may be rejected or undergo further investigation to determine the cause of elongation. Overall, the process of inspecting steel coils for elongation using elongation testers involves taking representative samples, clamping them securely, applying a tensile force, measuring the change in length, and calculating the percentage of elongation. This helps ensure the quality and mechanical properties of the steel coils, thereby meeting the desired standards and requirements.

Q:I was watching a documentary on the samurai vs the European knight. It said that the when Japan was being invaded by the (cant remember) they needed a new weapon. The enemies armor made iron swords useless. While steel swords broke when in combat. So to combat this the Japanese made a hybrid sword. They used a special mold that made the swords back iron while the part that makes contact with the enemy was steel. Also the sword was curved so it increased its armor and cutting power. This revolutionary design made the the sword stronger. The iron back made it not break while the steel edge made it cut through the enemies armor. I want to know how iron is stronger than steel, and how steel can cut better than iron.: This Site Might Help You. RE: Why is iron stronger than steel? I was watching a documentary on the samurai vs the European knight. It said that the when Japan was being invaded by the (cant remember) they needed a new weapon. The enemies armor made iron swords useless. While steel swords broke when in combat. So to combat this the Japanese made a hybrid...

Q:Can steel coils be coated with zinc-nickel alloy?: Yes, steel coils can be coated with zinc-nickel alloy.

Q:I don't know why but I'm having a VERY difficult time finding the melting point of 1008 steel.: 1. okorder 2. Input (melting point 1008 steel) as the search string 3. Check the links; the third one showed the answer in an MSDS

Q:What are the common tests performed on steel coils for quality assurance?: There are several common tests performed on steel coils for quality assurance purposes. These tests help ensure that the steel coils meet industry standards and customer requirements. One of the most common tests is the dimensional inspection. This involves measuring the length, width, and thickness of the steel coils to ensure they meet the specified dimensions. Any deviations from the required dimensions can indicate a quality issue. Another important test is the visual inspection. This involves a thorough examination of the steel coils for any defects or surface imperfections such as scratches, dents, or rust. Visual inspection is crucial to identify any visual defects that might affect the performance or appearance of the steel coils. Additionally, mechanical tests are performed to assess the strength and durability of the steel coils. Tensile tests are conducted to measure the maximum amount of force the steel can withstand before breaking. This test helps determine the steel's tensile strength, yield strength, and elongation properties. Another mechanical test commonly performed is the hardness test. It measures the steel's resistance to indentation, which is an indicator of its strength and toughness. Hardness tests are typically conducted using methods such as Rockwell, Brinell, or Vickers. Corrosion resistance is also an important aspect of steel coil quality assurance. This is typically evaluated through tests such as salt spray or humidity tests. These tests simulate harsh environmental conditions to assess the steel's ability to resist corrosion. Lastly, chemical composition analysis is performed to ensure that the steel coils contain the required elements in the specified proportions. This analysis helps verify that the steel meets the desired chemical properties, which can significantly impact its performance and suitability for specific applications. Overall, these common tests performed on steel coils for quality assurance purposes help ensure that the coils comply with industry standards, customer requirements, and are fit for their intended use.

Q:What are the common coil coating methods?: The common coil coating methods include roll coating, curtain coating, and spray coating.

Q:Why people prefer prefabricated buildings these days? Recently my friend has told me that he is going to owe a steel house so I was just thinking are these steel structures really durable and cheaper than concrete structures?: Hi., I think steel is the best option for the building ..

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