RAL Scale Z35 Prepainted Rolled Steel Coil for Construction Roofing
- Ref Price:
-
$500.00 - 700.00
/ m.t.
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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Structure of RAL Scale Z35 Prepainted Rolled Steel Coil for Construction Roofing
Description of RAL Scale Z35 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 RAL Scale Z35 Prepainted Rolled Steel Coil for Construction Roofing
1.Corrosion resistance: It mainly depends on the zinc protection. When the zinc being worn,
2. Heat resistance: 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.
Applications of RAL Scale Z35 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; gas tank;road sign; etc.
4.Agriculture constructions :barn; etc.
5.Others:vending machine; game machine; auto parts spare parts etc.
Specifications of RAL Scale Z35 Prepainted Rolled Steel Coil for Construction Roofing
Product | RAL Scale Z35 Prepainted Rolled Steel Coil for Construction Roofing |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.5-3.0mm |
Width | 700-1500mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | AZ30-150g/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 610MM |
Coil weight | 25MT max |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of RAL Scale Z35 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 25 mt for each color each size each specification. Usually we can offer discount if can buy large QTY once
2. How long can we receive the product after ordering?
Our general delivery time is 30 days after confirmation, but so some special orders, we have offer special delivery time
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. What is the payment?
We accept T/T, L/C L/C 90days
- Q:My teacher says if they were that they would still be standing today. I'm not sure if he means the reinforced steel in the concrete beams, columns etc or if the whole beams and columns floor etc were were made of reinforced steel.
- Reinforced Steel is found in concrete, and if the towers were built with reinforced concrete (concrete beams with rebar) then they would likely still be standing. The twin towers were made of steel. When steel is heated up, it deforms and collapses, which is why it didnt stand up. One of the top 2 things against steel is that it is not fire resistant.
- Q:what is the difference between metal and steel
- well, steel is a type of metal. It's sort of like asking the difference between a bug and an ant, an ant is a bug, but not every bug is an ant. Likewise, steel is metal, but not all metal is steel. Gold is metal, Silver is metal, Iron is metal, Steel is metal.
- Q:How are steel coils used in construction?
- Steel coils are commonly used in construction for a variety of purposes, such as forming the structural framework of buildings, manufacturing steel beams, and reinforcing concrete structures. The coils are unraveled and shaped into different forms, allowing them to provide strength, stability, and durability to the construction projects.
- Q:Can steel coils be coated with nickel?
- Yes, steel coils can be coated with nickel.
- Q:What are the challenges in coil blanking?
- Coil blanking, a process used to cut flat metal sheets from coiled stock, presents several challenges that need to be addressed for efficient and accurate production. Some of the key challenges in coil blanking include: 1. Material variations: Coiled stock can have variations in thickness, width, and surface quality. These variations can affect the cutting process and result in inconsistent blanks. Proper material selection and control are crucial to ensure consistent quality and dimensional accuracy. 2. Coil set and crossbow: Coiled stock often has inherent shape imperfections like coil set (longitudinal curvature) and crossbow (transverse curvature). These imperfections can cause alignment issues during the cutting process, leading to misalignment and inaccurate blanks. Specialized equipment and techniques, such as straighteners and leveling systems, are required to minimize these shape imperfections. 3. Coil edge condition: The edges of coiled stock can have burrs, waves, or irregularities, which can affect the quality and precision of the cut blanks. Adequate edge conditioning techniques, such as deburring or edge trimming, need to be employed to ensure clean and straight edges for the final blanks. 4. Slitting and shearing forces: The forces exerted during the coil blanking process can induce stresses and strains in the material, potentially leading to deformation or springback. These factors can result in dimensional variations and affect the overall quality of the finished blanks. Careful consideration of the slitting and shearing forces, along with proper tooling design and machine settings, is necessary to minimize these effects. 5. Scrap and material waste: Coil blanking can generate significant amounts of scrap material, especially during setup and adjustment phases. Managing scrap and minimizing material waste are critical challenges in coil blanking to optimize production efficiency and reduce costs. Efficient nesting algorithms and real-time monitoring systems can help optimize material utilization and minimize waste. 6. Automation and productivity: Coil blanking processes often require high-speed and high-volume production to meet market demands. Implementing automation systems, such as robotic material handling and advanced control systems, can enhance productivity. However, integrating and synchronizing these automation components with the cutting process can be challenging and requires careful planning and system integration expertise. Overall, addressing these challenges in coil blanking requires a combination of proper material selection, advanced equipment, specialized techniques, and efficient process control. By overcoming these challenges, manufacturers can achieve consistent quality, dimensional accuracy, and productivity in coil blanking operations.
- Q:How are steel coils used in the manufacturing of steel drums?
- Steel coils are used in the manufacturing of steel drums by being cut into sheets and then formed into cylindrical shapes, which serve as the main body of the drum. These coils provide the necessary strength and durability required for holding and transporting various materials.
- Q:How are steel coils processed for different levels of hardness?
- Steel coils can be processed to achieve different levels of hardness through a variety of methods. One common method is heat treatment, which involves heating the coils to a specific temperature and then rapidly cooling them to alter their microstructure and achieve the desired hardness. The process of heat treatment can include quenching, tempering, or annealing, depending on the desired hardness level. Quenching involves cooling the coils rapidly in a liquid medium such as water or oil to achieve a high hardness level. Tempering, on the other hand, involves reheating the coils to a lower temperature and then slowly cooling them to achieve a desired balance of hardness and toughness. Annealing is a process that involves heating the coils to a specific temperature and then slowly cooling them to relieve internal stresses and achieve a softer and more ductile material. Additionally, mechanical processes such as cold rolling or cold working can also be used to increase the hardness of steel coils. These processes involve subjecting the coils to compressive forces, which cause the material to deform and result in an increase in hardness. Overall, the processing of steel coils for different levels of hardness requires careful control of temperature, cooling rate, and mechanical forces to achieve the desired properties for specific applications.
- Q:A roll of 1 meters wide color steel roll about how many tons?
- Generally speaking, it will be about 4 tons, the export may be larger, but 10 tons of papers have not yet seen
- Q:What are the advantages of using pre-painted steel coils?
- There are several advantages to using pre-painted steel coils. Firstly, pre-painted steel coils have a protective coating applied during the manufacturing process, which makes them resistant to corrosion and increases their lifespan. Additionally, the pre-painted coating provides a smooth and aesthetically appealing finish, eliminating the need for further painting or finishing. This saves time and money on additional coatings or treatments. Moreover, pre-painted steel coils are available in a wide range of colors and finishes, allowing for greater design flexibility and customization. Lastly, pre-painted steel coils are easy to install, lightweight, and have excellent durability, making them an ideal choice for various applications in construction, automotive, and other industries.
- Q:I know that mild steel is more brittle than cast iron....but that is all.......please help??Thank you in advance......Ruby:D
- Mild steel is iron that has had most of the carbon removed in an open hearth furnace or a Bessemer converter. It is mainly the carbon content that makes iron brittle (iron is brittle, not steel).
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RAL Scale Z35 Prepainted Rolled Steel Coil for Construction Roofing
- Ref Price:
-
$500.00 - 700.00
/ m.t.
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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