good hot-dip galvanized/ auzinc steel in China
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 5000000 m.t./month
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Hot-dip aluzinc steel sheet is substrated on cold rolled steel (CRC) in various strength and specification. Coating composition is 55% aluminum in weight ratio, 43.4% zinc, and 1.5% silicon, with excellent corrosion and heat resistance performance.
Description:
1.Mateials:SGCC,DX51D / DX52D /S250,280GD
2.Size:width:600-1250mm(900mm,1215mm,1250mm,1000mm the most common)
thickness:0.15-2.0mm
length:1000-6000mm,as your require
3.Zinc coating :60-180g( as required)
4.Coil id:508mm
5.Coil weight: 3-5MT(as required)
6. Surface:regular/mini/zero spangle, chromated, skin pass, dry etc.
Applications of our Galvalume Coil:
Galvalume Coil widely used for roofing products, It is also the ideal base material for Prepainted Steel Coil.
1. roofing
2. gutters
3. unexposed automotive parts
4. appliances
5. furniture
6. outdoor cabinetry
Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.
- Q: How are steel coils inspected for uniformity using statistical analysis?
- Steel coils are inspected for uniformity using statistical analysis by randomly selecting a sample of coils and measuring specific characteristics such as thickness, width, and weight. These measurements are then analyzed using statistical methods, such as mean, standard deviation, and control charts, to determine if the coils meet the desired uniformity criteria. This approach allows for efficient and reliable assessment of the overall quality and consistency of steel coils.
- Q: When and where did soldiers wearing steel protective helmets start ?It seems to have been common by the start of WW1
- You okorder /
- Q: How do steel coils contribute to the renewable energy equipment industry?
- Steel coils contribute to the renewable energy equipment industry by playing a crucial role in the manufacturing of various renewable energy components. They are used to create structural frames, support structures, and brackets for wind turbines, solar panels, and other renewable energy systems. Additionally, steel coils are essential in the production of electrical transformers and transmission lines, which are integral to the distribution of renewable energy. Overall, steel coils provide the strength, stability, and durability required for the efficient and long-lasting operation of renewable energy equipment.
- Q: What are the different methods of tension leveling for steel coils?
- There are various techniques available for tension leveling steel coils, each with its own benefits and applications. 1. Roller leveling: By passing the steel coil through a series of rollers under high tension, strategically positioned to exert pressure on the coil, this method effectively stretches and elongates the coil. It is commonly used for thinner gauge coils and effectively eliminates defects such as coil set, crossbow, and edge wave. 2. Stretch leveling: This technique involves subjecting the steel coil to a combination of tension and elongation. The coil is held by clamps at both ends and then stretched using hydraulic or mechanical devices. This process helps remove residual stresses, flatten the coil, and enhance shape control. Stretch leveling is particularly suitable for thicker gauge coils, effectively eliminating wavy edges and center buckle. 3. Temper rolling: By passing the steel coil through a series of temper rolls that apply pressure on the surface, this method is primarily used to improve the surface finish and enhance the mechanical properties of the steel. It also helps reduce coil set and improve flatness. 4. Skin pass rolling: After the primary leveling process, the steel coil is passed through a series of rolls that apply light pressure on the surface. This technique is typically performed to further improve surface finish, enhance flatness, and reduce surface defects such as scratches or marks. 5. Stretcher leveling: This technique involves clamping the steel coil at both ends and applying tension to stretch it. The stretched coil is then held in this position for a specific duration to allow for stress relief and shape correction. It is commonly used for thicker gauge coils and effectively removes defects like coil set, crossbow, and center buckle. Each tension leveling method offers distinct advantages and is suitable for different types of steel coils and specific requirements. The choice of method depends on factors such as coil thickness, desired flatness, surface finish, and the specific defects that need to be corrected.
- Q: How are steel coils used in the manufacturing of agricultural machinery?
- Steel coils are used in the manufacturing of agricultural machinery as they are shaped and cut to create various components such as frames, brackets, and structural supports. These coils provide the necessary strength and durability required for heavy-duty equipment used in farming operations.
- Q: How much do steel coils weigh?
- The weight of steel coils can vary depending on several factors such as the thickness, width, and length of the coil, as well as the specific type of steel being used. Generally, steel coils can weigh anywhere from a few hundred pounds to several tons. It is important to note that steel coils are typically measured in terms of their weight per unit area, known as the coil's "basis weight" or "coil weight".
- Q: How are steel coils inspected for bendability using bend testers?
- Steel coils are inspected for bendability using bend testers, which are specialized machines designed to measure the flexibility and bend resistance of the coils. The process involves several steps to ensure accurate and reliable results. Firstly, the steel coil is prepared by securing it firmly in place, usually using clamps or other mechanisms to prevent movement during testing. This ensures that the coil remains stable and allows for consistent and repeatable measurements. Next, the bend tester is set up according to the specified testing parameters. These parameters typically include the desired bend angle, the speed at which the bend is applied, and the number of cycles to be performed. The bend tester is equipped with a bending mechanism that exerts a controlled force on the coil, simulating the bending conditions it may undergo during its application or use. Once the bend tester is set up, the bending process begins. The machine applies a gradually increasing force to the steel coil until it reaches the desired bend angle. This force is carefully measured and monitored throughout the process to ensure accuracy. During the bending process, the machine records and displays important data, such as the applied force, the angle of bend, and any indications of cracking or other defects. This data is crucial for evaluating the bendability of the steel coil and determining whether it meets the required standards. After the desired bend angle is reached, the coil is released from the bending mechanism, and any residual stresses are allowed to relax. This relaxation period is important to observe any potential spring-back effect, where the coil partially returns to its original shape after bending. The amount of spring-back is also measured and recorded for further analysis. Finally, the inspection results are analyzed to determine the overall bendability of the steel coil. If the coil meets the specified bendability criteria, it can be considered acceptable for its intended application. However, if any cracks, fractures, or excessive spring-back are detected, further investigation and analysis may be required to identify the cause and determine appropriate corrective actions. In conclusion, bend testers play a vital role in inspecting steel coils for bendability. Through a controlled and systematic process, these machines accurately measure the flexibility and resistance to bending, helping to ensure the quality and reliability of steel coils used in various industries.
- Q: What are the different methods of galvanizing steel coils?
- There are primarily three methods of galvanizing steel coils: hot-dip galvanizing, electrogalvanizing, and continuous galvanizing. Hot-dip galvanizing involves immersing the steel coils in a bath of molten zinc, which forms a protective coating. Electrogalvanizing uses an electric current to deposit a layer of zinc onto the steel surface. Continuous galvanizing is a process where the steel coil is continuously passed through a bath of molten zinc to achieve galvanization. These methods provide varying levels of protection against corrosion and are used in different applications based on specific requirements.
- Q: How are steel coils used in the manufacturing of springs?
- Steel coils are used in the manufacturing of springs by being formed into a helical shape, allowing them to store and release energy when subjected to force or pressure.
- Q: Can steel coils be stored in unheated warehouses?
- Yes, steel coils can be stored in unheated warehouses as long as proper precautions are taken to protect them from moisture, condensation, and extreme temperature fluctuations.
Send your message to us
good hot-dip galvanized/ auzinc steel in China
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 5000000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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