0.12mm~1.3mm Prepainted Galvanized Steel Coil for Construction

0.12mm~1.3mm Prepainted Galvanized Steel Coil for Construction System 1

0.12mm~1.3mm Prepainted Galvanized Steel Coil for Construction System 2

0.12mm~1.3mm Prepainted Galvanized Steel Coil for Construction System 3

0.12mm~1.3mm Prepainted Galvanized Steel Coil for Construction

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Model NO.:MLK-2015157

Surface Treatment:Coated

Certification:ISO, SGS, BV, RoHS, IBR

Technique:Cold Rolled

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

Application:Construction Material

Edge:Mill

Stock:Stock

Steel Grade:Dx51d, SGCC, Sgch, A653, Dx52D, Dx53D

Place of Origin: China

Width:600mm-1500mm

Thickness:0.13mm-0.8mm

Length:Customered

Delivery Time:15-30 Days

Zinc Coating:30-275G/M2

Top Color Coating:10-25

Bottom Color Coating:7-10

ID:508mm

Export Markets:South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia

Additional Info.

Trademark:MALIKE OR OEM

Packing:Standard Seaworthy, Export Packing

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

Origin:Shandong, China

HS Code:7210700000

Production Capacity:700mt/Day

NAME	GALVANIZED	GALVALUME/ALUZINC	PPGI/PPGL
MODEL NO.	*(0.13-1.2)mm(600-1250)mm**
TYPE	steel coil, steel sheets/ plates, corrugated steel sheets/plates
TECHNIQUE	Hot rolled-cold rolled-galvanized	hot rolled-coldrolled-galvalume /Aluzinc	Hot rolled-cold rolled--galvalume/galvanized - PPGL/PPGI
SURFACE TREATMENT	Mini/regular/ big/zero spangle, ,Chromate treatment/ chromate-free treatment/ untreated Unoile/ oiled ,TENSION LEVELLERT SKIN PASS anti-fingerprint/Un-anti-fingerprint, coating	Polyester(PE),Silicone Modified(SMP),Acrylic (AC), Polyurethane(PU)PVC Plastisol(PVC plastisol can be embossed to versatile texture)etc
APPLICATION	Guardrails, ventilation ducts, gutters and down spouts, Pre-paint and post paint applications, gutters and down spouts, ceiling suspension bars, shutter door rails. Auto parts, electrical appliances, refrigerator appliances, signs, automotive parts,vending machines, washing machines, showcases and other structural use, roofing, commercial use	Gutters, auto parts, electrical appliances, vending machines, refrigerators, ovens, for pre-paint. structural use, roofing, commercial use etc	Electrical appliances, roofing, partitions. Factory buildings, elevator panelsetc Special applications: wear resistant steel, high-strength-steel plate

Q: What are the common defects in steel coil surface finishes?: Common defects in steel coil surface finishes can include scratches, pits, rust, oil stains, and uneven coating. Scratches can occur during handling and transportation, and they can affect the overall appearance and performance of the steel coil. Pits are small depressions on the surface caused by a variety of factors such as impurities in the steel or improper processing. Rust can form when the steel coil is exposed to moisture or corrosive environments, and it can weaken the structural integrity of the material. Oil stains can occur if the coil is not properly cleaned before or after processing, leaving unsightly marks on the surface. Uneven coating can happen during the application of protective coatings or paints, resulting in areas with different levels of protection and aesthetics. It is important to address these defects to ensure the quality and durability of the steel coil for its intended applications.

Q: What are the different types of steel coil surface treatment options?: There are several different types of steel coil surface treatment options available, each serving a specific purpose and providing various benefits. Some of the common surface treatment options include: 1. Hot-dip galvanizing: This process involves immersing the steel coil in a bath of molten zinc, which forms a protective zinc coating on the surface. Galvanizing provides excellent corrosion resistance and helps in extending the lifespan of the steel coil. 2. Electro-galvanizing: Similar to hot-dip galvanizing, but instead of immersing the coil in molten zinc, an electric current is used to deposit a thin layer of zinc onto the steel surface. Electro-galvanizing provides a smoother and thinner zinc coating, making it suitable for applications that require a more aesthetic finish. 3. Pre-painted or coated: Steel coils can be coated with a layer of paint or other protective coatings before they are formed into various products. This type of treatment provides additional protection against corrosion and enhances the aesthetic appearance of the steel coil. 4. Organic coating: Organic coatings are typically applied to steel coils to provide protection against corrosion and improve the overall durability of the product. These coatings can be in the form of epoxy, polyurethane, or other types of polymer-based materials. 5. Pickling: Pickling is a surface treatment process that involves removing impurities and scale from the steel coil by immersing it in an acid solution. This treatment helps in improving the adhesion of subsequent coatings and prepares the surface for further processing or finishing. 6. Oil coating: Steel coils can be coated with a thin layer of oil to protect the surface from oxidation and rust during storage or transportation. This coating is typically used as a temporary measure and is usually removed before further processing. 7. Shot blasting: Shot blasting involves propelling small metal particles at high velocity onto the steel coil surface. This process helps in removing rust, scale, and other contaminants, providing a clean and roughened surface for better adhesion of subsequent coatings. These are some of the commonly used steel coil surface treatment options. The choice of treatment depends on the specific requirements of the application, such as corrosion resistance, aesthetic appearance, or improved adhesion.

Q: What are the different types of steel coil edge condition options?: The different types of steel coil edge condition options include mill edge, slit edge, and deburred edge. Mill edge refers to the natural edge of the steel coil as it comes from the mill, which may have slight imperfections. Slit edge is created when the coil is cut into narrower widths, resulting in smooth edges. Deburred edge involves removing any sharp burrs or rough edges from the coil, providing a clean and safe edge for handling.

Q: I expect that I will be questioned about my knowledge in methoding for steel castings, in a interview. I dont know about it. Can someone explain me in simple language and give me some links, like how I can explain methoding for steel castings.....key points...help please...so that i will pass the interview as if I have experience in methoding....thanks: It is very difficult to define Methoding of Steel castings by one sentence. Actually it encompasses the total casting process. Normally it would mean a) Pattern design i.e. what type of pattern it would be- wooden, metallic, split or full, loose or fitted on a match plate or any other, how will be the parting line. b) Design of the gating system. c) Design of risering i.e. numbers, size and location of risers. d) Design of molding process i.e. sand system to be used, mold box size. But to do justice to the above mentioned activities, you need to consider other parameters of the casting process such as chemical composition, solidification characteristics, pouring temperature, pouring time, knock out time etc. As I said Methoding of Steel castings means designing of the total casting process from inception to final product.

Q: What are the common quality issues with steel coils?: Some common quality issues with steel coils include: 1. Surface defects: Steel coils may have surface defects such as scratches, pits, or rust spots. These defects can affect the appearance and smoothness of the final product and may also impact its performance. 2. Dimensional variations: Steel coils may exhibit dimensional variations, such as thickness variations, width variations, or length variations. These variations can lead to difficulties in processing the steel and may result in inconsistent product dimensions. 3. Mechanical properties: Steel coils may have variations in mechanical properties such as yield strength, tensile strength, or hardness. These variations can affect the strength and durability of the final product and may also impact its suitability for specific applications. 4. Coating issues: Steel coils that are coated or galvanized may experience issues with the coating, such as uneven coverage, peeling, or adhesion problems. These coating issues can result in reduced corrosion resistance and compromised aesthetics. 5. Internal defects: Steel coils may have internal defects such as inclusions, voids, or segregations. These defects can weaken the steel and may lead to failure or breakage during processing or use. 6. Edge issues: Steel coils may have edge defects, such as burrs, cracks, or uneven edges. These edge issues can affect the handling and processing of the steel and may also lead to problems during fabrication or assembly. 7. Coil set or camber: Steel coils may exhibit coil set or camber, which refers to the curvature or bowing of the coil. This can result in difficulties during processing and may lead to distorted or misaligned products. To ensure the quality of steel coils, manufacturers employ various quality control measures such as rigorous inspection, testing, and adherence to industry standards and specifications.

Q: days. Use your knowledge of the corrosion of steel and aluminum to predict how they would look different after a week exposed to rainy weather. Explain your prediction.: I'd expect appearance of reddish dots or stains of rust on steel, while aluminium should stay virtually unchanged. Explanation: Both materials oxidize in natural environment because of atmospheric moist, but in very different ways. As for steel, oxidation begins as reddish dots of rust which grow and become stains. Oxidation then progresses in depth causing decay of material, compromising its strength and structural integrity.

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: What are the end uses of galvanized steel coil? What is the market like for this raw material? Would something like this be expensive?Also can you explain: PPGI.And the following specifications; what do they mean/represent?Required Composition :Thickness- 0.23mmCarbon- Max. 0.01%Manganese- Max. 0.20%Phosphorous- Max. 0.05%Sulphur- Max. 0.01%Silicon- ABT. 2.80 - 3.50%CRGO Quality- Prime QualityThanks: Steel coil is the name given to thinner sheet steel when it is manufactured - it comes out of the machine and is formed into a coil for ease of handling storage and transportation. Thin sheet steel is used for plenty of stuff. It can be slit (cut) into thin strips as well as just cropped and used at one of the standard lengths x widths it leaves the mill. There is a big market for this material. It is used in many construction and engineering applications for things like ducting, boxes, gutters, down pipes, flashings, panels, car bodies etc., anything made of thin steel Galvanising is a flash coating of zinc which improves it's corrosion resitance. Cost wise it is a relatively cheap material. The chemical composition of steel varies, it is mostly iron but has various other elements added or present as impurities that change it's characteristics, depending on the end use. These additional elements can be selected to give better weld ability, hardness, tensile strength, corrosion resistance, flexibility and so on. In many applications excess of these chemicals is undesirable. For example sulphur and carbon are generally better at lower levels. The chemical composition data is contained in a material data sheet and expressed as a percentage of the chemical present and which gives the composition of a particular batch of steel, allowing it to be selected for particular applications and traced for quality assurance purposes. The list you have there shows presence and quantity of other elements in a particular batch of coil. The thickness is 0.23mm, quite thin.

Q: steel of beam has been rusted ,how can i repair it?: chrome steel is an alloy of iron and different metals, fairly Chromium and vanadium. you do no longer see it with the bare eye yet on the exterior of any chrome steel (SS) there are iron atoms and chromium atoms that are uncovered. in spite of the shown fact that, the chromium reacts preferentially to type an oxide. In essence, think of of chromium sacrificing itself for iron so as that iron won't rust. What a helpful guy huh! it somewhat is reported as passivation purely like maximum responders suggested. in spite of the shown fact that, greater desirable than that the chromium oxide varieties a good shielding layer that varieties a actual barrier combating Oxygen or any oxidant to realize and attack the iron below it. additionally, the chromium oxide shaped isn't FLAKY and porous, so it does not mar maximum of the exterior as an iron oxide (rust) would. For technology project, you won't make it too technical yet you additionally could make a reference or make an ANALOGY of rust prevention to intense college or social circumstances as being there to your pal or classmate yet in real existence, whilst the possibilities are too great, that secure practices afforded via chromium won't be adequate. because of the fact ultimately all steel uncovered to very oxidizing atmospheres will rust. in basic terms somewhat ruin in the exterior is sufficient to initiate the technique of rusting.

Q: Its big and expensive and i don't know if it would have a logical purpose but its sharp as hell and awesome. Anyways, its made from surgical steel and all i have found on the internet is that its probably 316L (w/e that means). I have another knife made from 440 stainless steel and as far as i know that is pretty much the hardest stainless metal. So why would the more expensive one be made from surgical steel?: Unfortunately okorder /

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