Z49 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 Z49 BMP Prepainted Rolled Steel Coil for Construction
Description of Z49 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 Z49 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 Z38 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.
Specifications of Z49 BMP Prepainted Rolled Steel Coil for Construction
Product | Z49 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 Z49 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 using mild steel wire (very thin and bendable) for an art project, and would like to know if using a soldering torch is effective enough to get the job done. Or do I have to use a butane torch to heat the metal?BTW, is it better to use soft or hard solder?
- Soldering Steel
- Q: I'm writing a book, and there is a part where there is a death arena with a white-hot river of steel. How hot would that be?
- For the best answers, search on this site okorder White Hot XG is the best from those two.
- Q: The strip tower height
- Defects: cold-rolled steel sheet (coil)
- Q: What are the different methods of coil leveling?
- Various industries commonly utilize several methods for coil leveling. These methods encompass: 1. Roller leveling: By passing the coil through a sequence of rollers, pressure is applied gradually, resulting in the gradual flattening of the coil. The rollers can be adjusted to exert varying levels of pressure, allowing for precise control over the leveling process. 2. Stretch leveling: This technique subjects the coil to tension forces, elongating the material and eliminating internal stresses. As the coil is stretched while passing through rollers, a more uniform and flat surface is achieved. 3. Temper leveling: Involving the heating of the coil to a specific temperature followed by rapid cooling, this method helps equalize stresses within the coil and enhance its flatness. Temper leveling is often employed for high-strength steels. 4. Roller leveling with leveling rolls: This approach utilizes additional leveling rolls placed above and below the main leveling rollers. These rolls apply pressure to specific areas of the coil, rectifying any unevenness or distortions. 5. Tension leveling: This method involves applying tension to the coil during processing. The tension aids in straightening and flattening the material, resulting in a more even and flat surface. 6. Precision leveling: Employed for high-precision applications necessitating extremely flat and uniform coils, precision leveling combines roller leveling, stretch leveling, and other corrective measures to attain the desired flatness. Each of these methods possesses unique advantages and limitations. The selection of a particular method depends on factors such as the type of material being leveled, the required flatness tolerance, and the intended application of the coil.
- Q: How are steel coils used in the manufacturing of storage racks?
- Steel coils are used in the manufacturing of storage racks by being cut and formed into structural components, such as beams and columns, which provide the necessary strength and durability to support the weight of stored items. These coils are processed through various machines and techniques, including bending, welding, and painting, to create the final storage rack structures.
- Q: How are steel coils protected from humidity?
- Steel coils are protected from humidity by applying a layer of corrosion-resistant coating, such as zinc or aluminum, to the surface of the coils. This coating acts as a barrier, preventing moisture from coming into direct contact with the steel and reducing the risk of corrosion. Additionally, the coils are often stored in a controlled environment with low humidity levels to further minimize the impact of moisture.
- Q: How do steel coils contribute to the sustainability of construction projects?
- Steel coils contribute to the sustainability of construction projects in several ways. Firstly, steel is a highly durable material that can withstand harsh weather conditions, reducing the need for frequent repairs or replacements in buildings and infrastructure. Additionally, steel coils can be recycled, reducing the demand for virgin materials and minimizing waste. The use of steel in construction also enables the creation of lightweight and energy-efficient structures, promoting sustainability by reducing the energy consumption required for heating, cooling, and transportation.
- Q: What are the different methods of coil edge trimming?
- There are several methods of coil edge trimming, including shearing, slitting, and laser cutting. Shearing involves cutting the edges of the coil using a large blade or shear. Slitting involves making multiple cuts along the coil's edges using a slitting machine equipped with circular blades. Laser cutting uses a high-powered laser beam to precisely cut the coil's edges. Each method has its own advantages and is chosen based on factors such as the material being trimmed and the desired precision of the cut.
- Q: How are steel coils used in the automotive stamping process?
- Steel coils are essential for the automotive stamping process, serving as a crucial element. These coils are large rolls of steel, which are unwound and fed into stamping machines. They are typically made of high-quality steel and come in different thicknesses and widths to meet specific requirements for automotive parts. In the stamping process, the steel coils pass through a series of dies and presses that shape and form the metal into desired automotive components. To ensure a smooth and consistent feed into the stamping machine, the coils are unwound and straightened to remove any bends or twists. The stamping machine applies hydraulic or mechanical force to press the steel coil against a specially designed mold called a die. The die, often made of hardened steel, can withstand the pressure and provide accurate and repeatable results. At high speed, the steel coil is fed into the stamping machine, and as it passes through the die, the metal takes shape as various automotive parts such as body panels, doors, hoods, fenders, and structural components. The stamping process offers high precision and consistency, meeting required specifications and tolerances. After forming, the metal may undergo additional processes like trimming, piercing, or bending to achieve the final shape. These processes can be carried out in subsequent stamping stations or by using progressive dies that combine multiple operations into a single pass. Overall, steel coils are vital in the automotive stamping process, providing the necessary raw material to produce various components. The use of steel ensures strength, durability, and safety of automotive parts while maintaining cost-effectiveness and mass production capabilities.
- Q: What are the different methods of pickling steel coils?
- There are several methods of pickling steel coils, including acid pickling, electrolytic pickling, and mechanical pickling. Acid pickling involves immersing the coils in a bath of diluted acid, such as sulfuric acid or hydrochloric acid, to remove surface oxides and impurities. Electrolytic pickling uses an electric current to remove the oxide layer from the steel coils, usually in a solution of sulfuric acid. Mechanical pickling involves scrubbing the coils with abrasive materials or using mechanical rollers to remove the scale and impurities. Each method has its own advantages and is chosen based on the specific requirements and conditions of the steel coils.
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Z49 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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