Pre-Painted Hot Dip Galvanized Steel Coil

Pre-Painted Hot Dip Galvanized Steel Coil System 1

Pre-Painted Hot Dip Galvanized Steel Coil

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 m.t./month

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2.Main Features of the Pre-Painted Galvanized/Aluzinc Steel Coil：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Pre-Painted Galvanized/Aluzinc Steel Coil Images

Pre-Painted Hot Dip Galvanized Steel Coil

4.Pre-Painted Galvanized/Aluzinc Steel Coil Specification

Standard: AISI, ASTM, BS, DIN, GB, JIS

Grade: DX51D, DX52D

Thickness: 0.17-2.0mm

Brand Name: KMRLON

Model Number: coil

Type: Steel Coil

Technique: Cold Rolled

Surface Treatment: Coated

Application: Boiler Plate

Special Use: High-strength Steel Plate

Width: 20-1250mm

Length: customized

commoidty: pre-painted galvanized steel coil

Thickness: 0.13-4.0mm

width: 20-1250mm

zinc coating: 40-180g/m2

printing thickness: top side: 20+/-5 microns, back side: 5-7 microns

color: all RAL color

surface treatment: color coated

coil weight: 4-7 tons

coil ID: 508/610mm

packaging: standard seaworthy packing

5.FAQ of Pre-Painted Galvanized/Aluzinc Steel Coil

1. What’s the application of this product?

Roof, roof structure, surface sheet of balcony, frame of window, etc.

2. What’s the brand of the paint?

We use the best brand of all of the word—AKZO.

3. 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.

4. 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.

5. 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: All of my friends say that if a car made of mostly carbon fiber would crash into a full steel car, or vice versa, the steel car would be DESTROYED and the carbon fiber would drive away, if not, easily repairable.: Ok, your friend is wrong. Carbon fiber can outperform steel in many applications. It is lighter and stronger in tension. Compression, however, is not a property carbon fiber composites do well under. The strength of carbon fiber composites comes from the design, or layup, of the fibers. When the layers are properly orientated the composite can do very well. But, it can’t handle stress from any direction, only the directions it’s designed to be used in. Now, back to the car crash… A crash is a situation involving high amounts of crushing forces and shockwaves that would travel around the vehicle. If the impact itself didn’t crush the composite, the shock waves could cause hidden damage, such as delimitation, in areas that may not even be close to the impact area. As for it being easy to fix, well that is also dead wrong. Unlike steel, carbon fiber composites can’t be welded, straightened, or bent into place. Once a composite has sustained damage it usually needs to be replaced. Closing thoughts… Keep this in mind, it’s not the fibers themselves that are so weak, it’s the glue holding them together. As of today, the only way to make these strong light weight components is to glue them together. They do a good job doing what they are designed to do, but fail easily with impact and compression loading.

Q: How are steel coils inspected for surface finish variations?: Steel coils are inspected for surface finish variations using visual examination, mechanical methods such as gauges and calipers, and non-destructive testing techniques like magnetic particle inspection or ultrasonic testing.

Q: What are the common industry standards for steel coils?: The common industry standards for steel coils include specifications related to dimensions, weight, chemical composition, mechanical properties, and surface finish. These standards are often set by organizations such as the American Society for Testing and Materials (ASTM), International Organization for Standardization (ISO), and the Steel Industry Associations.

Q: Can steel coils be stored outdoors?: Steel coils can be stored outdoors, but it is important to protect them from moisture and other environmental elements to prevent rust and damage.

Q: What are the different types of steel coil surface treatments for durability?: The durability of the material can be enhanced through various types of steel coil surface treatments. 1. To achieve a protective zinc coating on the surface, the steel coil is immersed in a bath of molten zinc in the process of hot-dip galvanizing. This method not only provides excellent corrosion resistance but also extends the lifespan of the steel coil. 2. For indoor applications or when a thinner coating is desired, electro-galvanizing is preferred. This method involves electrodeposition of a thin layer of zinc onto the surface of the steel coil, offering good corrosion resistance. 3. By applying a dry powder paint to the steel coil's surface and curing it under heat, powder coating creates a durable and attractive finish. This finish is resistant to chipping, scratching, and fading, ensuring a uniform appearance. 4. To protect against corrosion, UV rays, and other environmental factors, organic coatings like acrylics, polyesters, or fluoropolymers are commonly applied to steel coils. These coatings not only enhance durability but also improve the aesthetics of the steel coil. 5. Chromate conversion coating involves applying a thin layer of chromate onto the steel coil's surface. This treatment provides corrosion resistance and improves the adhesion of subsequent paint or powder coating layers. Each of these surface treatments offers unique benefits in terms of corrosion resistance, durability, and appearance. The choice of treatment depends on the specific application requirements and the level of protection needed for the steel coil.

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: 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?: its faster to build with prefabricated steel materials. if its cheaper or not...im not really sure. but definitely faster

Q: What are the potential dangers of handling steel coils?: The potential dangers of handling steel coils include the risk of injuries due to their heavy weight and sharp edges, the possibility of crushing accidents or being struck by falling coils, and the potential for back or muscle strain from manually lifting or moving the coils.

Q: not iron, steel: steel was first used in the 1800s in buildings.

Q: How are steel coils inspected?: Steel coils are inspected through various methods such as visual inspection, dimensional measurement, and non-destructive testing techniques. Visual inspection involves the examination of the coils for any surface defects, such as scratches, dents, or rust. Dimensional measurement ensures that the coils meet the required specifications in terms of thickness, width, and diameter. Non-destructive testing techniques like ultrasonic testing, magnetic particle inspection, and eddy current testing are used to detect any internal defects or discontinuities in the steel coils without causing any damage to the material. These comprehensive inspection methods ensure the quality and integrity of steel coils before they are used in various industries.

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