Pre-Painted Galvanized Steel Coil with Prime Quality Red Color

Pre-Painted Galvanized Steel Coil with Prime Quality Red Color System 1

Pre-Painted Galvanized Steel Coil with Prime Quality Red Color

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 200 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 Galvanized Steel Coil with Prime Quality Red Color

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 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.

4. 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: I understand that damascus sword steel was made by folding the strip of steele double , reheating, hammering, folding again and so forth hundreds of times. Was this the same or very nearly the same techmique the japs used making the sword blades the samari swords?(forgive the misspelling): The samari swords are made by folding to make many many alternating layers of different steel compositions. Damascus swords were made differently. The steel was heated and forged (like samari swords) but it was not folded. The patterns produced are due to the micro macro-structure of the steel alloy and the way the steel is forged. Fake Damascus steel knives and gun barrels and other items have been made by pattern welding (forge cladding steels with different compositions together) and then folding and forging with some tricks. google damascus steel and you will find lots of info. hope this helps

Q: How are steel coils heat treated?: Steel coils are heat treated using a process called annealing. Annealing is a heat treatment technique in which the steel coils are heated to a specific temperature and then slowly cooled down. This process helps to relieve any internal stresses within the steel, improve its mechanical properties, and enhance its overall performance. The heating process involves raising the temperature of the steel coils to a critical point, typically between 800°C and 900°C, depending on the specific grade and desired outcome. The coils are then held at this temperature for a specific period of time, allowing for the transformation of the steel's microstructure. Once the desired time has elapsed, the heated steel coils are slowly cooled down in a controlled manner. This slow cooling process is vital as it allows the steel to undergo a gradual transformation, resulting in a more uniform and refined microstructure. This controlled cooling also helps to minimize the formation of internal stresses, which can potentially weaken the steel. The annealing process can be performed in different atmospheres, such as air, nitrogen, or hydrogen. The choice of atmosphere depends on the specific requirements and properties desired for the steel coils. For instance, annealing in a protective atmosphere like nitrogen or hydrogen can help prevent oxidation or decarburization of the steel surface. Overall, heat treating steel coils through annealing is a critical step in enhancing their mechanical properties, improving their formability, and achieving the desired characteristics for various industrial applications.

Q: What are the common coil finishes available for steel coils?: Steel coils can be finished in various ways to serve different purposes and achieve different aesthetic appearances. Some popular coil finishes include: 1. Hot-dip galvanized: By immersing the steel coil in molten zinc, a protective layer is formed on its surface. This finish is ideal for outdoor applications like roofing, fencing, and automotive parts due to its excellent corrosion resistance. 2. Galvannealed: Achieved by annealing the hot-dip galvanized coil, this finish gives a matte gray appearance. Galvannealed coils have enhanced paint adhesion, making them suitable for subsequent painting or powder coating in applications like appliances and furniture. 3. Electro-galvanized: A thin layer of zinc is electroplated onto the surface of the steel coil in this process. Electro-galvanized finishes offer good corrosion resistance and are commonly used indoors, such as in electrical enclosures, HVAC systems, and automotive components. 4. Pre-painted or coated: These finishes involve applying a layer of paint or a coating system to the steel coil, improving its appearance and providing extra protection. Pre-painted coils are extensively used in construction, appliances, and automotive industries due to their aesthetic appeal and corrosion resistance. 5. Bare or mill finish: This refers to the untreated, raw steel coil without any additional coatings or finishes. Bare steel coils are commonly used in applications where corrosion resistance is not the main concern, such as structural components, pipes, and tubes. These are just a few examples of the many coil finishes available for steel coils, each offering unique properties and advantages depending on the intended use. Carefully considering the specific requirements of the application is important when choosing the most suitable coil finish.

Q: What are the common standards and specifications for steel coils?: In the industry, there are various widely recognized and utilized standards and specifications for steel coils. Some notable ones include: 1. ASTM A36/A36M: This specification is concerned with carbon structural steel shapes, plates, and bars of structural quality. It is intended for use in constructions that involve riveting, bolting, or welding. 2. ASTM A572/A572M: This specification focuses on high-strength low-alloy columbium-vanadium structural steel shapes, plates, sheet piling, and bars. It is applicable for constructions involving bolting, riveting, or welding. 3. ASTM A653/A653M: This specification pertains to steel sheet that is zinc-coated (galvanized) or zinc-iron alloy-coated (galvannealed) through the hot-dip process. 4. ASTM A1011/A1011M: This specification covers various types of steel sheet and strip in coils, such as hot-rolled, carbon, structural, high-strength low-alloy, high-strength low-alloy with improved formability, and ultra-high strength. 5. JIS G3302: This Japanese Industrial Standard specifies the requirements for hot-dip zinc-coated steel sheet, also known as galvanized steel sheet, and strip. 6. EN 10111: This European standard outlines the requirements for continuously hot-rolled low carbon steel sheet and strip that are suitable for cold forming. 7. ISO 3575: This International Organization for Standardization standard lays down the requirements for hot-dip zinc-coated and zinc-iron alloy-coated steel sheet and strip. These are just a few instances of the prevalent standards and specifications employed for steel coils. It is crucial to note that different industries and applications may have specific demands, thus consulting the relevant standards and specifications for the particular application is always advisable.

Q: How are steel coils inspected for yield strength using tensile testing?: Tensile testing is the method used to inspect the yield strength of steel coils. This involves subjecting a sample of the coil to controlled tension until it reaches its breaking point. Through this test, various mechanical properties of the steel, including yield strength, can be determined. To conduct the tensile testing for yield strength inspection, a small strip of the coil is cut and prepared. The strip is then placed in a machine specifically designed for tensile testing. This machine consists of two grips that securely hold the strip at opposite ends. Subsequently, the machine applies a steadily increasing force to the strip, causing it to elongate until it eventually breaks. Throughout the test, the machine measures the force applied and the elongation of the strip. The yield strength is determined by identifying the point on the stress-strain curve where the material begins to undergo plastic deformation, meaning it exhibits permanent deformation without any increase in load. Typically, the yield strength is reported as the stress required to cause a specific amount of plastic deformation, such as 0.2% or 0.5%. This value represents the maximum stress that the steel can endure without experiencing permanent deformation. By performing tensile testing on a sample of the steel coil, it becomes possible to ascertain its yield strength. This information is vital in ensuring the quality and dependability of the steel coil, as it indicates the maximum stress it can tolerate before permanent deformation occurs. Furthermore, this testing method allows for the comprehensive evaluation of other mechanical properties, including ultimate tensile strength, elongation, and modulus of elasticity, thus providing a thorough understanding of the steel's performance characteristics.

Q: I am a complete idiot when it comes to anything musical, so please forgive me if this is a stupid question. I bought my son his first guitar, acoustic and didnt realize until after I purchased it that it has steel strings. Can I have the strings changed from steel to nylon???: Nylon strings are more commonly used for classical style acoustic guitars, and most standard acoustics are set up to use steel strings. Nylon strings have less tension than steel strings so the sound won't be as full as steel strings. You may also notice some loud vibration from the top of the guitar since the strings don't have the proper tension. A guitar made for nylon strings uses thinner wood and is braced differently than one made for steel strings. The nylon strings won't put enough energy into the steel string guitar to make it vibrate correctly and develop the volume and harmonics that steel strings would. EDIT: To answer the second part of your question, it doesn't really matter what type of strings a beginner learns on. Nylon strings will be a little softer on the fingers, but once you build up calluses on your fingers it doesn't hurt anymore. There is no distinct advantage to a beginner learning with nylon strings as opposed to steel strings.

Q: What is the role of steel coils in the production of pipes and tubes?: Steel coils are essential in the production of pipes and tubes as they serve as the primary raw material. These coils are unwound and fed into a pipe or tube mill where they are shaped, welded, and formed into the desired dimensions. The high strength and durability of steel make it an ideal choice for manufacturing pipes and tubes, ensuring their structural integrity and ability to withstand various applications and environments.

Q: How many millimeters is a number 3 steel crochet hook?: In the rest of the world, a #3 hook is 6.5 mm. But the thing to do is use the hook size according to the yarn you are using. You would never follow the pattern exactly for hook size, you know that! You must do a gauge swatch to find out what YOUR tension is, and if that yarn will make the kind of fabric YOU want. You need to do a little research on this... as you know. Don't you remember your first lesson when you took your basic beginner class? Review your notes.

Q: I just want to know why is cold steel katana a very good sword?? How can you tell if a cold steel katana is good or not: Can see this one is gong to cause a lot of controversy, price, country of origin, stuff like that might help you form an opinion on the particular sword

Q: I need new sprockets on my GSX-R1, I've heard that alumnium sprockets wear out twice as fast as steel and the difference is not noticable: The solution to your problem lies in what the purpose is of going up three teeth in the back... Are you hoping to gain more low end power and thus be able to race from 0-60 faster? If thats the case, Id go with aluminum and a 520 conversion on the chain. You WILL notice the difference in how fast the bike builds steam, because it will be easier for the engine to rotate the rear wheel having a lighter chain and sprocket set. Of course, this will wear out faster than steel - but the real question is, are you interested in going faster, or saving money? Speed aint cheap. Either pay for it, or stick with steel. Be careful going up three teeth on the rear without getting a new chain as well - your current chain may not have enough slack left in it...

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