Z140 BMT Rolled Prepainted Steel Coil for Construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Z140 BMTZ140 Rolled Prepainted Steel Coil for Construction
Description of Z140 BMT Rolled Prepainted Steel Coil for Construction
BMT Prepainted Rolled Steel Coil is a kind of coated steel coil/sheet. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Zn coating on both faces by hot dip process. Its surface has bright silver color and regular embossed-like figure, which are highly decorative.
Main Feature of Z140 BMT Rolled Prepainted Steel Coil for Construction
1.Corrosion resistance: It mainly depends on the aluminum protection. When the zinc being worn, the aluminum will form a dense layer of aluminum oxide, resist corrosion material to prevent further corrosion inside.
2. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials.
3. Economy: Because density of 55% AL-Zn is smaller than the density of Zn, so in the same weight and thickness of Galvanized zinc layer, aluminum-zinc steel plate is larger area more than 3% of galvanized steel sheet.
Applications of Z140 BMT Rolled Prepainted Steel Coil for Construction
1. Construction and building: roofing; ventilating duct; handrail; partition panel
2. Electric appliance: refrigerator; washing machine; refrigerator..
3. Transportation: oil tank; road sign; etc.
4. Agriculture:barn; etc.
5. Others: vending machine; game machine; etc.
Specifications of Z140 BMT Rolled Prepainted Steel Coil for Construction
Product | BMT Prepainted Rolled Steel Coil for Construction |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.3-3.5mm |
Width | 900-1250mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | Z35-150g/m2 |
Technique | Raw material: Hot rolled steel coil > Cold rolled>hot dipped galvanized |
Surface | Dried, Chromated, Unoiled |
Spangle | Regular spangle , small spangle, zero spangle |
ID | 508MM or 610MM |
Coil weight | 3-7MT |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Z140 BMT Rolled Prepainted Steel Coil for Construction
We have organized several common questions for our clients，may help you sincerely：
1: What is your company payment way?
We accept whole T/T or 30% T/T deposit and balance against the copy of B/L. We can negotiate.
2. What is the general delivery time?
Usually it is within thirty working days after received buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 20- 25 days, but the shipment will depend on the vessel situation.
3. How do you promise the quality of the steels？
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. What different between PE and PVDF?
PVDF is the most advanced painting in construction industry, it is with high corrosion resistance and color retention, and the life time could last to 20-25 years. Currently, PE is the most widely-used painting in the color coated steel coils. It is characterized by good overall performance, and high economic as well
- Q: What products can we make with steel (eg Steel strip, rod, bar, rail, tube) How are these made? What can we make from these steel products?Can you please make the answers as detailed as possible you can because i really want to know this really well. Thank you.
- Your okorder (they make steel deck and steel joists) There are thousands of other items routinely produced from steel, including rebar, and all the metal in cars, airplanes, and about a million other things.
- Q: What are the challenges in coil leveling for coated steel?
- Coil leveling for coated steel presents several challenges that need to be addressed in order to achieve high-quality, flat, and smooth coils. Firstly, one of the main challenges is the potential for coating damage during the leveling process. Coated steel coils are typically coated with materials such as zinc or paint, which can be easily scratched or marred if not handled properly. The leveling process involves passing the coil through a set of leveling rolls, which can potentially cause friction, abrasion, or other mechanical damage to the coating. Therefore, it is crucial to carefully control the speed, pressure, and alignment of the leveling rolls to minimize coating damage. Secondly, the thickness variation across the coil presents a significant challenge. Coated steel coils often have thickness variations due to inherent material properties or production processes. These variations can result in uneven leveling and can lead to coils with waviness or uneven flatness. Achieving uniform leveling across the entire coil surface is essential to ensure consistent quality and appearance of the final product. Another challenge in coil leveling for coated steel is the possibility of coil shape distortion. Coating processes can introduce stresses into the steel, which can cause the coil to warp or distort during the leveling process. This distortion can result in coils with uneven edges or inconsistent flatness. Proper control of the leveling process parameters, such as the number of leveling passes and the tension applied to the coil, is necessary to minimize shape distortion. Additionally, the coil leveling process can generate internal stresses in the steel itself, particularly in coated steels that have been cold-rolled or heat-treated. These internal stresses can cause coil spring-back, where the coil tries to return to its original shape after leveling. Spring-back can result in coils with unwanted curvature or uneven flatness. Effective strategies, such as stress relief annealing or using counteracting leveling techniques, are essential to minimize spring-back and achieve the desired flatness. Finally, the handling and storage of coated steel coils present challenges in maintaining the quality of the leveled coils. Coated steel coils are sensitive to environmental conditions such as humidity, temperature, and exposure to corrosive agents. Proper storage and handling practices are crucial to prevent coating damage, rust, or other forms of deterioration that can occur during transportation or storage. In summary, the challenges in coil leveling for coated steel include minimizing coating damage, addressing thickness variation, controlling shape distortion and spring-back, and ensuring proper handling and storage. Overcoming these challenges requires precise control of process parameters, the use of appropriate leveling techniques, and adherence to strict quality control measures throughout the entire process.
- Q: how simple is it to take it scrape steel and recyle it. does annybody know the process . i want to do this but first i need some basic information. as far as i know first to melt the steel and in a furness on high heat and than give the shape that customer wants. how right or wrong am i . i want to start on a very small scale.
- Wow, Not sure there is a small scale.....Consider getting a truck,and picking up and collecting scrap metal.You can haul it to your local recycling center, get paid for it ..and let them do the melting and forging. Basics needed to know for this is: Separate Brass, copper, aluminum,cast iron (brake drums,rotors,old sinks and tubs) Car radiators are either copper or aluminum and they pay real well now. There is also a class called SHREDDER this is anything that is not in another category, and literally anything metal, Electrical motors pay good too.
- Q: I need help! Please help, I'm in Chemistry, and me and my friend Lucy are making a presentation on steel and iron, so how is steel manufactured? Thank you. :D
- The steel consists of ( Iron ) and another matter... but the popular one is iron+carbon / iron+silver - When iron is smelted from its ore by commercial processes, it contains more carbon than is desirable. To become steel, it must be melted and reprocessed to reduce the carbon to the correct amount, at which point other elements can be added. This liquid is then continuously cast into long slabs or cast into ingots. Approximately 96% of steel is continuously cast, while only 4% is produced as cast steel ingots. The ingots are then heated in a soaking pit and hot rolled into slabs, blooms, or billets. Slabs are hot or cold rolled into sheet metal or plates. Billets are hot or cold rolled into bars, rods, and wire. Blooms are hot or cold rolled into structural steel, such as I-beams and rails. In modern foundries these processes often occur in one assembly line, with ore coming in and finished steel coming out. Sometimes after a steel's final rolling it is heat treated for strength, however this is relatively rare.
- Q: How are steel coils inspected for weldability using welding tests?
- Steel coils can be inspected for weldability using a variety of welding tests. One common method is the bend test, where a section of the coil is cut and bent to evaluate the quality of the weld. This test helps determine if the weld is brittle or contains any defects that could compromise its integrity. Additionally, the guided bend test is performed to assess the ability of the weld to withstand bending without cracking or breaking. Another technique used is the macro etch test, where a sample is prepared by cutting a cross-section of the coil and then etching it with a chemical solution. This test helps reveal any imperfections or inconsistencies in the weld, such as porosity, slag inclusions, or lack of fusion. Furthermore, the hardness test is conducted to measure the hardness of the weld. This is important as excessive hardness can lead to cracking or brittleness, while insufficient hardness may result in weld failure under certain conditions. Additionally, non-destructive testing methods like ultrasonic testing, magnetic particle inspection, or radiographic examination can also be employed to detect any internal defects, such as cracks or voids, in the steel coil welds without damaging the material. These welding tests are crucial in ensuring the quality and weldability of steel coils before they are used in various applications. By conducting thorough inspections, any potential issues can be identified and addressed, ensuring that the steel coils meet the required standards for weldability and structural integrity.
- Q: What are the common methods of recoiling steel coils?
- The common methods of recoiling steel coils include slitting, rewinding, oscillating, and recoiling using a mandrel or a recoiler machine. Slitting involves cutting the wide coil into smaller widths, while rewinding involves rewinding the coil into a tighter, more compact roll. Oscillating is a method where the coil is wound back and forth to create a narrow, oscillating coil. Finally, recoiling using a mandrel or a recoiler machine involves winding the coil onto a mandrel or a spool to create a new coil of desired size and shape.
- Q: What are the dimensions of steel coils used in the HVAC industry?
- The dimensions of steel coils used in the HVAC industry can vary depending on the specific application and requirements of the system. However, there are standard dimensions that are commonly used. One common dimension for the width of steel coils used in HVAC systems is around 24 inches (or 2 feet). This width allows for efficient airflow and heat transfer within the system. The thickness of the steel coils can also vary, but a common range is between 0.020 inches to 0.060 inches. Thicker coils may be used for heavy-duty applications or systems that require higher performance, while thinner coils are suitable for lighter-duty or more cost-effective systems. As for the length of the coils, it can also vary depending on the specific needs of the HVAC system. Coils are often produced in standard lengths, such as 50 feet or 100 feet, but they can be customized to meet specific requirements. It is important to note that these dimensions are just general guidelines and can vary depending on the manufacturer, supplier, and specific HVAC system requirements. Consulting with industry professionals or manufacturers can provide more specific information on the dimensions of steel coils for a particular HVAC system.
- Q: which type of carbon steel does not have manganese
- None. Mn is a trace impurity in all steels, if you look carefully enough. If you want to find a steel where Mn is not intentionally added, start looking at the alloy composition specifications, there are hundreds of steels. Why are you worried about Mn? Mn is typically added to steels for a very good reason.
- Q: How are steel coils inspected for defects?
- Steel coils are inspected for defects using various methods to ensure that the quality of the product meets the required standards. One common method is visual inspection, where trained inspectors examine the surface of the coils for any visible defects such as cracks, scratches, or dents. This is usually done by visual observation or with the assistance of magnifying tools. Another method is magnetic particle inspection, which is used to detect surface and near-surface defects such as cracks or voids. In this process, a magnetic field is applied to the steel coil, and a magnetic powder is applied to the surface. If there are any defects, the magnetic powder will be attracted to them, making them visible to the inspector. Ultrasonic testing is also commonly used to inspect steel coils for defects. In this method, high-frequency sound waves are transmitted into the coil, and the reflected waves are analyzed. Any deviations in the sound waves can indicate the presence of defects such as cracks or voids within the coil. Additionally, eddy current testing is employed to detect defects in steel coils. This method uses electromagnetic induction to generate eddy currents within the coil. Any changes in these currents caused by defects in the material are detected and analyzed by the inspector. Lastly, some steel coils may undergo destructive testing, where a sample is taken from the coil and subjected to various tests such as tension or bend testing. These tests are performed to evaluate the mechanical properties of the steel, which can indirectly indicate the presence of defects. Overall, steel coils are inspected for defects through a combination of visual inspection, magnetic particle inspection, ultrasonic testing, eddy current testing, and potentially destructive testing. These methods ensure that any defects are identified and addressed, ensuring that only high-quality steel coils are delivered to customers.
- Q: I'm ordering a Pair of tongs(a tool used to dig quahogs in bays that scrapes the bottom constantly) and what type of metal would be the best to fabricate it, steel or stainless steel?
- Stainless Steel is an allow of Chrome and Steel and several other additives. There are at least 100 types of Stainless.. Most common is 300 Series , that the cheapest and used in household stuff. Then there is the 400 series in that series is a stainless that can be heat treated because it contains sufficient carbon to do so. I would say if its wear you are looking for Stainless is not wear resistant to the extent other steels are. You want a heat treatable oil hardenting steel for that purpose. A good example and an old reliable one is what is called O-1 or oil hardening one. It can be heated with a torch at the wear end and quenched in oil right on the fab site. to a hardness of Rockwell C of about 55 or so and wears well. I suppose the best basket would be a 300 Series stainless to reduce rusting with end pieces that are probably bolted on made of O-1 heat treated to RC of about 55 or so. Of course if you make the wear ends removable with bolts, you can really get some wear steels for those wear parts You can use High Speed Steel RC=95, Drills are high speed steel. and even a material called Hasteloy next to carbide in hardeness. I suspect those baskets are made of Stainless Steel with wear ends of another material as ive discussed above.
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Z140 BMT Rolled Prepainted Steel Coil for Construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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