Z3 BMP Prepainted Rolled Steel Coil for Constructions
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Z3 BMP Prepainted Rolled Steel Coil for Construction
Description of Z3 BMP Prepainted Rolled Steel Coil for Construction
Cold rolled steel coil is steel that has been worked below its recrystallization temperature by passing it between a pair of rollers. Recrystallization temperature is the temperature at which grains in the lattice structure of the metal have been rearranged, leaving it free of strain and deformations. Cold rolled steel coil is pre-treated before being cold rolled with a process known as pickling, which uses strong acids to remove scale and other impurities. The cold rolled steel coil is then passed through rollers to reduce its thickness. Most cold rolling takes place in multiple passes and as the size of the cold rolled steel coil is further reduced, its strength and hardness both increase, but its ductility decreases. After cold rolling, heating the metal up in a process known as annealing can restore some of its ductility. The final cold rolled steel coil may be manufactured in the form of sheets, strips, bars, or other forms.
Main Feature of Z3 BMP Prepainted Rolled Steel Coil for Construction
1. Our company produce various specification and models and national standards of galvanized steel coil
2. Using high-quality material and advanced production technology and equipment for processing
3. Applicable to a humid climate and the harsh corrosive environment
4. Products has been all over the country more than 20 provinces, municipalities and autonomous regions, and have been exported to Europe, North American, the Middle East, the South East Asia, Africa, Asia,European and other countries and regions, well received by our buyer.
Applications of Z3 BMP PPGI Prepainted Rolled Steel Coil for Construction
1. Construction and building: Roofing; Ventilating duct; Handrail; Partition panel, etc.
2. Further processing: Coating base plate.
3. Electric appliance: Refrigerator; Washing machine; Recorder; Microwave, etc.
Our products have export to the South Africa, East Middle, Southeast Asia and South America. We have many old customers in many countries.
So if you are interested in our products, please don't hesitate to contact us
Specifications of Z3 BMP Prepainted Rolled Steel Coil for Construction
Product | Z3 BMP Prepainted Rolled Steel Coil for Construction |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.6-3.0mm |
Width | 500-1500mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | Z30-150g/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 | 1-25MT |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Z38 BMP Prepainted Rolled Steel Coil for Construction
We have organized several common questions for our clients，may help you sincerely：
1. How Can I Visit There?
Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly welcome to visit us!
2. How Can I Get Some Sample?
We are honored to offer you sample.
3. Why choose CNBM?
Our delivery time about 15-20days for standard sizes, if you have other requirements like hardness, quanity and width ,it is about 20-40days. But don't worry we also try our best for the delivery time ,because time longer and our cost is higher.
- Q: I am looking to weld some stainless steel using stainless electrodes. I was told that the arc welder needs to be able to run in DC in order to be able to weld stainless steel. Is this true? Or can you weld stainless steel with stainless electrodes with AC also?
- Arc or stick welding is not ideal for stainless steel. It is advisable to use MIG or TIG welding instead, with argon shield gas. I would only advise manual arc welding as a last resort, or for field repairs. Expect corrosion issues, and issues with excessive oxidation and porosity in your stainless welds. Manual arc welding is a dirty process and simply does not protect the weld puddle well enough from oxidation and carbon pickup, which are especially damaging in sensitive stainless alloys. As to whether to use AC or DC for stick welding, you should consult the instructions found on the box of electrodes. If polarity and current recommendations cannot be found, then you should contact the manufacturer and get it in writing. You should probably not make welding decisions based on advice from a sales representative. Firstly is is not documented. Secondly, sales representatives are not legally liable for damages caused by weld failures, YOU are.
- Q: What are the different types of steel coil slitting lines?
- There are several different types of steel coil slitting lines that are used in the metal processing industry. These lines are designed to cut large coils of steel into narrower strips, which can then be used for various applications. 1. Loop Slitting Lines: Loop slitting lines are the most common type of slitting line used in the industry. They consist of a decoiler, which holds the coil, a slitter head that cuts the coil into strips, and a recoiler, which winds the strips back into smaller coils. Loop slitting lines are versatile and can handle a wide range of coil widths and thicknesses. 2. Scrap Chopper Slitting Lines: Scrap chopper slitting lines are similar to loop slitting lines but include a scrap chopper unit. This unit cuts any excess material from the edges of the coil before it is slit into strips. This helps to improve the efficiency of the slitting process and reduces waste. 3. Double Loop Slitting Lines: Double loop slitting lines are used for high-speed slitting of thin-gauge coils. They feature two looping pits, which allow for continuous operation. While one coil is being processed, the other is being prepared for slitting, ensuring minimal downtime. 4. Turret Head Slitting Lines: Turret head slitting lines are designed for high-volume production and can process multiple coils simultaneously. They feature a turret head with multiple slitter knives, which can be quickly rotated to switch between different coil widths. This allows for faster and more efficient production. 5. Rotary Shear Slitting Lines: Rotary shear slitting lines are used for thicker and harder materials. They use a rotary shear instead of a slitter head to cut the coil into strips. The rotary shear offers better cutting performance and can handle higher tensile strength materials. 6. Combination Slitting Lines: Combination slitting lines are versatile machines that can handle a range of materials and can perform both slitting and cut-to-length operations. These lines are ideal for smaller manufacturers or those who require flexibility in their production process. Overall, the type of steel coil slitting line used will depend on the specific requirements of the manufacturer, including the type of material being processed, the desired strip width, and the volume of production.
- Q: What is the maximum width of steel coils?
- The maximum width of steel coils is subject to variation, influenced by factors like steel type, manufacturing capabilities, and intended usage. Nevertheless, in most cases, steel coils tend to have a maximum width of approximately 2,200 millimeters or 86.6 inches. This width is widely employed in the steel industry for coils of standard sizes. It is worth mentioning that wider widths may be achievable through specialized steel coils or custom manufacturing methods, albeit less frequently and possibly necessitating particular equipment or processes.
- Q: What are the different surface treatments applied to steel coils?
- Some common surface treatments applied to steel coils include galvanizing, which involves coating the steel with a layer of zinc for corrosion resistance; painting or powder coating, which provides both protection and aesthetic appeal; and passivation, which chemically treats the steel to improve its corrosion resistance and appearance. Additionally, steel coils can also undergo processes like pickling, oiling, or chromating to remove impurities, enhance surface quality, or improve adhesion for subsequent treatments.
- Q: Can steel coils be used in high-temperature applications?
- Yes, steel coils can be used in high-temperature applications. Steel is known for its excellent heat resistance and can withstand elevated temperatures without significant loss of strength or deformation.
- Q: What are the different methods of cut-to-length shearing for steel coils?
- There are several methods of cut-to-length shearing for steel coils, each with its own advantages and applications. Some of the commonly used methods are: 1. Rotary Shearing: This method involves the use of a rotating shear blade that cuts through the coil. It offers high precision and can handle a wide range of material thicknesses. Rotary shearing is suitable for high-volume production and can achieve high cutting speeds. 2. Guillotine Shearing: In this method, a straight blade is used to cut through the coil. It is a versatile method that can handle various material thicknesses and widths. Guillotine shearing is relatively simple and efficient, making it a popular choice for many applications. 3. Slitting: Slitting involves making multiple longitudinal cuts in the coil to create narrower strips. It is commonly used when a coil needs to be divided into several smaller coils or when narrower strips are required for specific applications. Slitting can be done using either rotary or straight blades. 4. Laser Cutting: Laser cutting utilizes a high-powered laser beam to melt or vaporize the material, resulting in a clean and precise cut. It is ideal for cutting complex shapes or patterns and can handle both thin and thick steel coils. Laser cutting offers high accuracy and minimal material distortion. 5. Waterjet Cutting: Waterjet cutting uses a high-pressure stream of water mixed with abrasive particles to cut through the coil. This method is suitable for a wide range of materials, including steel, and can achieve high accuracy. Waterjet cutting is often used for cutting thick coils or when heat-affected zones need to be minimized. Each method has its own strengths and limitations, and the choice depends on factors such as material thickness, required precision, production volume, and specific application requirements. The selection of the most appropriate method is crucial to ensure efficient and high-quality cut-to-length shearing for steel coils.
- Q: Can steel coils be stamped?
- Yes, steel coils can be stamped. Stamping is a common manufacturing process used to shape and cut steel coils into desired forms and designs.
- Q: Are steel coils affected by temperature changes?
- Yes, steel coils are indeed affected by temperature changes. Steel is known to expand and contract with temperature fluctuations. When exposed to high temperatures, steel coils expand, and when subjected to low temperatures, they contract. These thermal expansions and contractions can cause changes in the dimensions and shape of the steel coils, which can potentially affect their performance and functionality.
- Q: Can steel coils be used in marine environments?
- Yes, steel coils can be used in marine environments, but proper precautions need to be taken to prevent corrosion. Steel is prone to corrosion when exposed to moisture and saltwater, which are common in marine environments. To counteract this, the steel coils can be treated with protective coatings, such as galvanization or painting, to create a barrier between the steel and the corrosive elements. Additionally, regular maintenance and inspections should be performed to identify any signs of corrosion and take appropriate action to prevent further damage. By implementing these measures, steel coils can be effectively used in marine environments while minimizing the risk of corrosion and ensuring their durability and performance.
- Q: I am refinishing a table and on my can of polyurethane, it indicates not to sand with steel wool prior to application. Why is that?
- it can turn dark! use 400 to 600grit wetdry sandpaper watch your edges!!!
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Z3 BMP Prepainted Rolled Steel Coil for Constructions
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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