Prepainted Rolled Steel Coil for Construction Roofing constrution
- 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 Prepainted Rolled steel Coil for Construction Roofing
Description of Prepainted Rolled steel Coil for Construction Roofing
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 Al-Zn coat on both faces by hot dip process. In its coating, Al accounts for about 55%, Si 1.6%, while the remaining is Zn. Aluminum zinc coils enjoys both the physical protective feature and durability of Al and the electrochemical protective property of Zn. And its surface has bright silver color and regular embossed-like figure, which are highly decorative.
Main Feature of Prepainted Rolled steel Coil for Construction Roofing
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 resistance: Aluminum zinc alloy steel sheet has excellent heat resistance, can withstand high temperatures over 300 centigrade, and is similar with aluminized steel high temperature oxidation resistance. It often used in chimney pipes, ovens, fluorescent lighting device and the device cover.
3. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials.
4. 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 Prepainted Rolled steel Coil for Construction Roofing
1. Construction and building: roofing; ventilating duct; handrail; partition panel;etc.
2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.
3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.
5.Others:vending machine; game machine; etc.
Specifications of Rolled steel Coil for Construction Roofing
Product | Prepainted Rolled steel Coil for Construction Roofing |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.2-3.0mm |
Width | 600-1500mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | AZ40-150g/m2 |
Technique | Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume |
Surface | Dried, Chromated, Unoiled |
Spangle | Regular spangle , small spangle, zero spangle |
ID | 508MM |
Coil weight | 10MT max |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Prepainted Rolled steel Coil for Construction Roofing
We have organized several common questions for our clients，may help you sincerely：
1. What is the minimum order quantity ?
Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide.
2. 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.
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.
- Q:How are steel coils used in the production of steel plates?
- Steel coils are used in the production of steel plates by being fed into a rolling mill where they are gradually flattened and shaped under high pressure. This process, known as hot rolling, transforms the steel coils into thin and flat plates that can be further processed and used in various industries such as construction, automotive, and manufacturing.
- Q:If I wear a pair of thick wool socks, is walking around in the snow with steel-toed boots going to be a problem? I'm wondering if the steel will make my toes too cold.
- Yes, steel-toe boots are cold, thick wool socks or not. Suggest using Cofra orange colored pull-on knee boots. Non-steel toe cap resistant to 200 joule (one and a half tons of crush protection), penetration resistance, cold insulation to minus 20, ankle protection, heat resistant outer sole 300 degrees for one minute, energy absorption of seat region, slip resistance, the biggest traction cletes I've ever seen and they look like big boots seen the acid trip pretending to be film titled: Yellow Submarine. Available: www fra.it
- Q:Can anyone tell me what that means. I have seen it on knife blades an such. I am assuming it's a formula for the strength of the metal. who does that scale work, and please keep it simple.
- 440 is an AISI (American Iron and Steel Institute) material specification. It specifies the precise quantities of carbon and other elements present in the alloy. Here are the constituents of AISI 440 steel: Carbon - 0.6 to 0.75% Chromium - 16 to 18% Manganese - less than 1% Molybdenum - less than 0.75% Phosphorus - less than 0.04% Silicon - less than 1% Sulfur - less than 0.03% Iron makes up the remainder. AISI 440 is a heat-treatable, precipitation-hardening stainless steel.
- Q:What are the dimensions of steel coils used in the metal furniture industry?
- The dimensions of steel coils used in the metal furniture industry can vary depending on the specific application and requirements. However, common dimensions for steel coils used in this industry range from 0.5mm to 3mm in thickness and 600mm to 2000mm in width.
- Q:I know that they have steel shot in smaller sized pellets....say, number 4 shot. I guess it's for waterfowl, etc.Do they make steel buckshot? If not, why not? Would the pellets be too heavy? Wouldn't they have excellent penetration ability?
- No Steel Buckshot ...Yet... The whole idea behind steel shot was because there were a very large number of migratory birds, Geese, Ducks, etc dying after being hit with lead shot and developing infections, and lead poisoning, that ultimately killed or crippled too many birds. The Federal government stepped in and made Steel Shot a requirement for hunting all migratory birds. I think the biggest reason that Steel Buckshot isn't made yet is because it can only be fired out of modern, newly manufactured shotgun barrels and unless you have a shotgun designed to be used with steel shot, it would be damaged along with chokes made for lead shot only..I have no doubts that it's probably coming in the near future....Note* Penetration was never an issue, nor was the weight.........
- Q:What are the different coil packaging methods used for steel coils?
- Steel coils can be packaged using various methods to guarantee their protection and secure transportation. These methods also help optimize storage space. Some of the commonly used packaging methods for steel coils are as follows: 1. Strapping: Metal or plastic straps are used to secure the steel coils. This ensures stability and prevents unrolling or shifting during transportation. Strapping is suitable for smaller coils or when other packaging methods are also utilized. 2. Stretch wrapping: Steel coils are tightly wrapped using a stretch film. This technique provides excellent protection against dust, moisture, and other contaminants. It also keeps the coils tightly bound and prevents movement during handling and transportation. 3. Steel banding: Steel bands or straps are employed to secure the coils. This packaging method offers superior strength and durability. It is ideal for larger and heavier steel coils that require additional reinforcement. 4. Wooden crating: Particularly large or heavy steel coils are packaged in wooden crates. These crates provide enhanced protection against impacts, moisture, and other external factors. Wooden crating is commonly used for long-distance transportation or when coils need to be stored for extended periods. 5. Coil saddles: Specialized devices called coil saddles are used to package large coils securely. These devices prevent rolling or movement. Coil saddles are preferred when strapping or wrapping is not feasible. 6. Paper interleaving: Sheets of paper are placed between each layer of steel coils to prevent damage caused by friction. This method is commonly used for coils with a high surface finish or those susceptible to scratching. Each of these packaging methods offers distinct advantages and is chosen based on factors such as coil size, weight, transportation requirements, and desired level of protection. By employing these methods, steel coil manufacturers and distributors can ensure the safe arrival of their products in optimal condition.
- Q:i have a question on a test and the questions before it are about blast furnace, wrought iron and cast iron...question 16 is..What is Steel?i dont really get what im being asked.. there could be many answers, what answer are they looking for?
- as steel is an alloy i thinkl they are looking for what elements it is made up of
- Q:What are the pros and cons to selecting a graphite shaft sand wedge over steel shaft?
- First question, are you guy or girl? stronger or weaker? Steel shaft gives you consistency over graphite because of the weight. For example, Tiger once used a steel shaft in his driver because steel shaft's weight gives him consistency. Key point is he can handle the weight (110g +). Same with you, steel shaft is preferred as it gives you consistency. It's also heavy enough that you can let the natural weight, aka gravity, to let you hit thru the rough, sand, etc.. key point is if you can handle the weight.
- Q:What are the common quality control measures for steel coils?
- There are several common quality control measures that are implemented for steel coils to ensure their performance and reliability. These measures are crucial in maintaining the overall quality of the steel coils and ensuring that they meet the required standards and specifications. Firstly, dimensional checks are conducted to ensure that the steel coils have the correct thickness, width, and length. This is important as any deviations from the specified dimensions can greatly affect the performance and usability of the coils. Next, visual inspections are carried out to identify any surface defects or imperfections such as scratches, dents, or corrosion. These inspections help in identifying any potential issues that may compromise the structural integrity of the coils or affect their aesthetic appearance. Furthermore, mechanical property tests are conducted to determine the strength, hardness, and other mechanical characteristics of the steel coils. These tests help in assessing the performance and durability of the coils under different conditions and loads. Chemical composition analysis is also an important quality control measure for steel coils. This involves analyzing the composition of the steel, including the presence of any impurities or elements that may affect its properties. It ensures that the steel coils are made from the correct grade and meet the required chemical specifications. Coating inspections are another vital quality control measure. If the steel coils are coated with protective layers, it is essential to check the adhesion, thickness, and uniformity of the coatings. This helps in ensuring that the coils have adequate protection against corrosion and other environmental factors. Lastly, various non-destructive testing methods such as ultrasonic testing, magnetic particle inspection, or eddy current testing are employed to identify any internal defects or abnormalities in the steel coils. These tests help in detecting issues such as cracks, inclusions, or discontinuities that are not visible through visual inspection. Overall, the common quality control measures for steel coils include dimensional checks, visual inspections, mechanical property tests, chemical composition analysis, coating inspections, and non-destructive testing. These measures are essential in maintaining the quality and reliability of steel coils and ensuring that they meet the required standards and customer expectations.
- Q:How are steel coils used in the production of automotive frames?
- Steel coils are used in the production of automotive frames as they are rolled into sheets and then cut and shaped to form the necessary components of the frame. The coils provide the raw material that is strong, durable, and able to withstand the structural demands of the vehicle.
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Prepainted Rolled Steel Coil for Construction Roofing constrution
- 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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