Prepainted Steel Coil and Strip from China

Prepainted Steel Coil and Strip from China System 1

Prepainted Steel Coil and Strip from China

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Loading Port:: China main port

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

3.Pre-Painted Galvanized/Aluzinc Steel Coil Images

Prepainted Steel Coil and Strip from China

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 Prepainted Galvanized steel Coi

We have organized several common questions for our clients，may help you sincerely：

1.How do you control your quality

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.

2.how long we will receive the goods ？

After receiving your deposit or workable lc ,our normal shipment date is 15-20days,and it takes around 28 days to reach your port of destination. But is up to different destination

3. what is your moq

Normally our moq is 25per size ,but it is up to different size

Q:What are the different surface treatments available for steel coils?: There are various surface treatments available for steel coils, including galvanizing, painting, powder coating, and zinc coating. These treatments help protect the steel from corrosion and improve its durability and appearance.

Q:I want to know the special characters or the advantages of the corton steel. In what cases it is recommended to use?Thank you.: *It is Corten steel.Grade A B. *Weathering steel, best-known under the trademark COR-TEN steel, is a group of steel alloys which were developed to obviate the need for painting, and form a stable rust-like appearance if exposed to the weather for several years. United States Steel Corporation (USS) holds the registered trademark on the name COR-TEN. Although USS sold its discrete plate business to International Steel Group (now Arcelor-Mittal) in 2003, it still sells COR-TEN branded material in strip-mill plate and sheet forms. In some areas it may be known without the hyphen as Corten steel. The original COR-TEN received the standard designation A242 (COR-TEN A) from the ASTM International standards group. Newer ASTM grades are A588 (COR-TEN B) and A606 for thin sheet. All alloys are in common production and use. It is a weather-resistant steel which is used in containers and hot flue gas line. The American Corten A Steel has a composition of C, 0.12; Si, 0.5; Cu, 0.5; Cr, 0.8; P, 0.1 and Mn, 0.5%. Although the tensile strength is less than 494 MPa the yield is in the region of 371 MPa. The combination of copper and phosphorus also increases the resistance to atmospheric corrosion which is important when thinner plates are used. The original steel A suffers a decrease in yield strength and notch ductility in thickness over 25 mm, to overcome which Corten B was developed-C 0.14; P 0.04; Mn 1.1; Cr 0.5; Cu 0.4; V 0.1; Bol Al 0.02. *COR-TEN A applies to plates up to 12.5mm in thickness, COR-TEN B applies to plates up to 50mm in thickness. *It has been used in bridge and other large structural applications such as the New River Gorge Bridge, the newer span of the Newburgh-Beacon Bridge, and the creation of the Australian Centre for Contemporary Art (ACCA). It is very widely used in marine transportation, in the construction of shipping containers.

Q:I'm pretty sure that this topic has been beaten to death by now. But, I still can't get a definite answer. With stainless steel, you get better corrosion resistance, and you will hold and edge longer. With carbon steel, you will hold a sharper edge, and you could forge a knife blade longer than 2 ft without breakage. I'm personally a fan of stainless steel ( the 440 grade stuff ), just because it seems to hold up to use and abuse better in the long run. HOWEVER, I have NEVER had a factory made knife break on me. I don't think that they would try to sell you a knife that didn't do what it was meant to do, at least to a reasonable degree. (I work for a living, and can't afford a custom $600 knife.) What do you think? Is this a pointless topic? Will there ever be a winner?: If your talking about a folding pocket knife, I think that it's basically six one way and a half dozen the other. I actually do prefer stainless for my pocket knives. I don't want to oil a knife to the degree I feel carbon requires, only to then stick it my pocket to attract dirt to the knife and oil to my pants. I'm the exact opposite on sheath knives though. I like 1095 carbon steel, plain edge sheath knives. I'll thrash on them HARD, and I rarely have major edge problems. Of course, I require them to be coated with some kind of powder coat or the like, because they can rust, but I do try and keep them clean and dry when in the sheath, so they won't pit the uncoated edge. My reasons for this sheath knife preference is multi-fold. First, these knives are simply affordable. I don't spend $80 dollars on a outdoors sheath knife. I use the tool too hard to want to spend more. I don't like the more traditional stainless steels such as AUS-8, 420HC, and 440C (not to mention the HORRENDOUS 440A) because I feel that the all else being equal, a stainless blade will bend before a carbon blade will break. I also think that carbon holds an edge at least as well, if not better, than traditional stainless, and it's much easier to hone. I don't know much about these new laminates, other than the very hard, but not so tough. They seem to be POSSIBLY too brittle for my use. That, combined with the fact that they cost a FORTUNE, means that I just won't be considering them.

Q:How do steel coils perform in corrosive environments?: Steel coils exhibit excellent performance in corrosive environments due to their inherent resistance to corrosion. This is primarily because steel, being composed of iron and various elements like carbon, produces a protective layer called a passive film. This passive film acts as a barrier between the steel surface and corrosive elements, effectively preventing direct contact and minimizing the risk of corrosion. Moreover, steel coils can be coated with different protective coatings to enhance their corrosion resistance. Coatings like zinc or epoxy provide an additional layer of protection, significantly prolonging the lifespan of steel coils in corrosive environments. However, it is important to acknowledge that the performance of steel coils in corrosive environments can still be influenced by factors such as the type of corrosive agent, duration of exposure, and presence of other contaminants. In highly aggressive environments, such as those with high humidity, exposure to saltwater, or acidic chemicals, the protective layers on steel coils might deteriorate over time, thereby increasing the potential for corrosion. To ensure optimal performance in corrosive environments, it is advisable to choose steel coils with corrosion-resistant properties, such as stainless steel or galvanized steel. Regular maintenance and inspections are also crucial to promptly detect any signs of corrosion and implement appropriate measures to prevent further damage. In conclusion, steel coils generally exhibit good resistance to corrosion in most environments, but the severity of the corrosive conditions can ultimately impact their performance.

Q:What are the factors that determine the price of steel coils?: The price of steel coils is determined by various factors. 1. Raw material costs have a direct impact on steel coil prices. The prices of iron ore and coal, which are used in steel production, can fluctuate and affect the final price of steel coils. 2. Energy costs, such as electricity and fuel, play a significant role in determining the price of steel coils. Changes in energy costs, like oil or electricity price fluctuations, can influence the overall price. 3. The demand and supply dynamics in the steel industry are crucial in determining steel coil prices. When demand is high and supply is limited, prices tend to increase. Conversely, when demand is low and supply exceeds demand, prices tend to decrease. 4. Market conditions, including economic factors and trends, can impact steel coil prices. Economic growth, industrial production, and construction activities influence the demand for steel and therefore its price. 5. Production and labor costs, including labor wages, equipment, maintenance, and transportation, contribute to the final price of steel coils. Technological advancements and production efficiency can affect these costs and, subsequently, the price. 6. Trade policies and tariffs can also affect steel coil prices. Higher import tariffs can lead to increased domestic steel prices, while lower tariffs may result in lower prices due to increased import competition. 7. Currency exchange rates can impact steel prices as it is a globally traded commodity. If the currency in which steel is priced strengthens against other currencies, it can result in higher prices for steel coils. It is important to consider that these factors are interconnected and can vary based on market conditions, geographical location, and other external factors.

Q:What are the common processing defects in steel coils?: Some common processing defects in steel coils include: 1. Coil breaks: These occur when the steel strip breaks during the coil winding process. They can be caused by various factors such as improper tension control or material defects. 2. Slivers: Slivers are thin, elongated pieces of steel that are trapped in the coil during the rolling process. They can be caused by foreign materials, scale, or defects in the rolling mill. 3. Edge cracks: These are cracks that occur along the edges of the coil. They can be caused by improper edge trimming, material defects, or excessive rolling forces. 4. Surface defects: Surface defects can include scratches, pits, or scars on the steel coil. They can be caused by handling issues, improper cleaning, or defects in the rolling mill. 5. Coil set: Coil set refers to the tendency of a coil to retain a curvature after it has been uncoiled. It can be caused by uneven cooling during the rolling process or improper tension control. 6. Oil spots: Oil spots are stains or discolorations on the surface of the steel coil caused by residual oil or lubricants. They can be caused by inadequate cleaning or improper application of lubricants. 7. Wavy edges: Wavy edges refer to irregularities or waves along the edges of the steel coil. They can be caused by uneven rolling forces or improper edge trimming. 8. Lamination: Lamination defects occur when there are layers or sheets of steel that are not properly bonded together. They can be caused by material defects or improper rolling conditions. 9. Burr: A burr is a raised edge or roughness along the edge of the steel coil. It can be caused by improper trimming or cutting processes. 10. Non-uniform thickness: Non-uniform thickness refers to variations in the thickness of the steel coil. It can be caused by uneven rolling forces, improper cooling, or material defects. It is important for steel manufacturers to identify and address these processing defects to ensure the quality and reliability of the steel coils they produce.

Q:What are the common coil thickness and width combinations available for steel coils?: The common coil thickness and width combinations available for steel coils can vary depending on the specific requirements and standards of the industry. However, there are some commonly found combinations that are widely used. In terms of coil thickness, common options range from thin to thick coils. Thin coils typically have a thickness ranging from 0.4mm to 3.0mm, while medium thickness coils can be around 3.0mm to 6.0mm. For thicker coils, the range can be from 6.0mm to 25.0mm or even higher, depending on the specific application. Regarding coil width, it also varies based on the intended usage. Some common options include coils with widths of 600mm, 750mm, 900mm, 1000mm, 1200mm, 1250mm, and 1500mm. However, wider or narrower coils can also be available depending on the specific requirements of the customer or industry. Ultimately, the most suitable coil thickness and width combination will depend on factors such as the intended application, manufacturing processes, transportation limitations, and customer preferences. It is essential to consult with steel coil manufacturers or suppliers to determine the most appropriate options for your specific needs.

Q:What are the different types of steel coil slitting methods?: There are three main types of steel coil slitting methods: rotary slitting, loop slitting, and pull-through slitting. Rotary slitting involves using circular knives to cut the coil into narrower strips. Loop slitting involves passing the coil through a loop that is formed between two sets of knives, which then cuts the coil into multiple strips. Pull-through slitting involves pulling the coil through an adjustable slitting head, where the knives cut the coil into desired widths.

Q:How are steel coils used in the manufacturing of chassis frames?: Steel coils are used in the manufacturing of chassis frames by being shaped and welded to form the structural backbone of vehicles. These coils are typically cut and pressed into specific shapes to create the necessary strength and rigidity required for chassis frames.

Q:I have been thinking of buying a knife that says it has damascus steel. The reason for the question is that many people told me that damascus steel does not exist anymore, and that damascus nowadays is fake. Is this true???: Well, it depends on what you call fake. Modern Damascus steel is perhaps similar, but it is not what people would call Damascus steel in 1500. It is made to look similar, but structurally it is different. For the most part the specific way of making Damascus steel is lost to history.

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