• Prepainted Galvanised Steel Coil System 1
  • Prepainted Galvanised Steel Coil System 2
  • Prepainted Galvanised Steel Coil System 3
Prepainted Galvanised Steel Coil

Prepainted Galvanised Steel Coil

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Prepainted Galvanized Steel Coils

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: OKLSTEEL

Specifications Of Prepainted Galvanized Steel Coils

Thickness                 0.186-0.8mm (BMT)

Width                       1000-1250mm

Zinc Coating             80-275g/m2

Color                       According to RAL color fan or as per request

Internal Diameter      508mm or 610mm

Coil Weight              4-8MT

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 OfPrepainted Galvanized Steel Coils

C

Si

Mn

P

0.04-0.06%

0.01-0.03%

0.18-0.22%

0.014-0.016%

Technical Data OfPrepainted Galvanized Steel Coils

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 Of Prepainted Galvanized Steel Coils

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.

Packaging & Delivery Of Prepainted Galvanized Steel Coils

The packing of coils consists of anti-damp paper, PVC film, hardboard paper, steel box, strapped with steel strips, fitted with locks and edge protectors and guarantees the optimal condition of the delivered goods. Each coil can be additionally fitted with wooden/steel skids(eye to the side) or wooden pallets(eye to the sky).

Production Flow Of Prepainted Galvanized Steel Coils

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: i need some ideas of what material could replace iron or steel to make fridges, stoves, dishwashers, tractors, aircrafts, cars and buses and anything else that is made of iron and steel. anything is greatly appreciated as at the moment i have no idea what to put down.
Material selection is a complex area. Iron and steel are very good materials in terms of their strength, stiffness and hardness (especially when compared to their density to give specific strength/stiffness. They are also relatively cheap and the economics of material selection is often the over-riding criteria. Each individual substitution has to be considered on the merits of what the component has to do and the environment in which it operates and often to replace steel with, say, aluminium, might not be appropriate or might require a redesign of the component to accomodate the lower strength and stiffness. Take one of your examples of a dishwasher; To replace the (cheap and thin) steel outer casing with aluminium would require thicker sheet to achieve the same stiffness. To replace the stainless steel inner you would need a corrosion resistant material (which rules out aluminium) which can be easily fabricated to shape. Nickel alloys would be harder to process and very expensive, but you might be able to use a bronze alloy. If you have time look in the library for a book on materials selection by Ashby - one of the best texts on the subject.
Q: How are steel coils used in the production of agricultural equipment?
Steel coils are used in the production of agricultural equipment as they are often shaped and formed into various components such as frames, chassis, and structural parts. These coils provide strength, durability, and stability to the equipment, making it capable of withstanding the demanding conditions and heavy workloads typically associated with agricultural tasks.
Q: How do steel coils withstand extreme temperatures?
Steel coils are able to withstand extreme temperatures due to the unique properties of steel. Firstly, steel has a high melting point, allowing it to maintain its structural integrity even at extremely high temperatures. Additionally, steel has excellent thermal conductivity, which enables it to evenly distribute and dissipate heat. Furthermore, steel undergoes various heat treatment processes during manufacturing, such as quenching and tempering, which enhance its strength and resistance to temperature fluctuations. Overall, these factors make steel coils highly capable of withstanding extreme temperatures.
Q: What are the common size limitations for steel coils?
The common size limitations for steel coils vary depending on the specific requirements of the industry or application. However, there are some general size limitations that are commonly followed in the steel manufacturing and distribution industry. The width of steel coils typically ranges from as narrow as 0.25 inches (6.35 mm) to as wide as 72 inches (1828.8 mm). This wide range allows for versatility in various applications, from automotive parts to construction materials. The thickness of steel coils can also vary significantly, usually ranging from 0.006 inches (0.15 mm) to 0.5 inches (12.7 mm). Thinner coils are often used in applications that require lighter weight and flexibility, while thicker coils are commonly utilized in heavy-duty applications that demand strength and durability. The weight of steel coils is another factor to consider, especially for transportation and handling purposes. Typically, steel coils can weigh anywhere from a few hundred pounds to several tons. The weight limitations are dependent on factors such as the size of the coil, the steel grade, and the equipment used for transportation and storage. Furthermore, the outer diameter of steel coils can also have limitations. It usually ranges from 24 inches (609.6 mm) to 72 inches (1828.8 mm). The inner diameter, on the other hand, can vary from 16 inches (406.4 mm) to 24 inches (609.6 mm). These dimensions are critical for ensuring compatibility with processing equipment and storage racks. It is important to note that these size limitations are not fixed and can be customized based on specific requirements. Steel manufacturers and distributors often work closely with their customers to determine the optimal size and dimensions of the coils to meet their specific needs and ensure efficient handling and processing.
Q: What are the different surface treatments available for steel coils?
There are several different surface treatments available for steel coils, including galvanizing, painting, and powder coating. Galvanizing involves applying a layer of zinc to the surface of the steel to provide corrosion resistance. Painting involves applying a layer of paint to the surface to enhance its appearance and protect it from rusting. Powder coating is a process where dry powder is electrostatically applied to the steel surface and then cured under heat to form a protective and decorative coating.
Q: I need to say how a bottle opener is made, would it be made from steel and can this be coloured? How?
Steel can be plated(Chrome),Blackened(Black Oxide),Powder coated(color of your choose).All of this is done to prevent rust.All of these aforementioned processes can be worn off through being used.I suggest polished Stainless steel.
Q: case hardening steel is adviced or thru hardening steel is most suitable?
I don't know your application, but here is some advice. Case hard provides a hard shell around soft steel, depending on the bake, the case is usually .002-.008 thick. (thousands of an inch) Heat treated steel or tool steel is hard all the way thru. Case hardening, provides toughness with flexibility, however, once it's compromised, the part is scrap. Hardend tool steel is extreemly hard throughout and the harder it is, the more brittle it becomes. The application of the part will help you to determine the material needed. For instance; Plastic injection molds are very hard so the hot plastic wont erode them over years of use. Punch Press dies aren't as hard but are tougher to withstand the shock. Machine bolts are case hardened so they can last, but soft enough to allow some stretching during tightening. Either way, the time in mfg will be about the same. Most tool steels today cut like cheese, but take time to be heat treated. Tool steel will cost a bit more than low carbon steel. Low carbon steel is as machinable, and cheaper, but, again, the baking period is as long or longer than tool steel. There are a lot of materials on the market today that maintain the durability of heatreated steel without having to go thru that process. 4140, ( or chrome/moly) comes to mind. There are also some 400 series stainless that work as well, and others. You need to determine strength, flexibility, ease of mfg, cost and repairability when considering which steel to use.
Q: I want to make a chess set out of stainless steel, but I'm not sure what type of mold I need or where I can go to have the steel melted and molded for me. Any ideas? I live in Southern, NJ.
stainless steel is really hard to work with and will be really expensive to pour as not too many foundries do that. As far as tools go, I know that for e.g.drilling stainless steel cobalt bits are best, but even they don't last for very long. If you use normal drill bits stainless steel will ruin them. So how much metal working skills do you have? I would suggest to use a material you have experience with. Or make a chess set from nuts and bolts. You can buy them from stainless steel and the assembly is easy. See links for a few examples and/or use google to find more.
Q: How are steel coils used in the manufacturing of HVAC systems?
Steel coils are used in the manufacturing of HVAC systems as they serve as the main component of heat exchangers, which are responsible for transferring heat between the air and refrigerant. The steel coils provide a sturdy and durable structure for the heat exchanger while also allowing for efficient heat transfer, ensuring optimal performance in heating and cooling processes.
Q: What is the average flatness tolerance for steel coils?
The average flatness tolerance for steel coils typically ranges between 0.25% and 0.5% of the coil's width.

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