Hot Rolled Galvanized Steel Coil /Hot Steel Rolled

Hot Rolled Galvanized Steel Coil /Hot Steel Rolled System 1

Hot Rolled Galvanized Steel Coil /Hot Steel Rolled

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 9000 m.t./month

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Detailed Product Description

1.Product Information:

Item	Specification
Commodity Name:	Galvanized Steel Coil (HDGI/GI)
Thickness(mm):	0.14mm-3.0mm
Width(mm):	Above 600mm to 1500mm, negotiable about "below 600mm"
Zinc Weight:	30 g/m2 - 275 g/m2
Grade:	Mainly Prime, Secondary is also negotiable
Material:	SGCC, DX51D+Z,DX53D+Z,DX54D+Z,SGH340, etc
Spangle:	Zero, Minimum, Regular, Big
Oiled or Not:	As Required
Anti Fingerprint or Not:	As Required
Chromed or Not:	As Required
Passivation or Not:	As Required

2. Business Scope:

We provide GI, GL, PPGI, PPGL Coils, Corrugated Steel Sheets, feel free to contact for detailed information!

3. Advantage of Our Organization:

We specialize in this field concerning GI, GL, PPGI, PPGL, Corrugated Steel sheet, we know the supplier, the price, the trader, the domestic market and the price trend very well.

Hot Rolled Galvanized Steel Coil /Hot Steel Rolled

FAQ

1. Do you have QC team?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.for quality inspection every day.

Q:How are steel coils used in the production of automotive components?: Steel coils are used in the production of automotive components through a process called stamping, where the coils are fed into a machine that cuts and shapes the steel into various parts such as body panels, chassis components, and engine parts. These steel components are then assembled to create the final automotive product.

Q:What are the challenges faced during steel coil processing?: Steel coil processing presents several challenges that can be encountered. One of the primary obstacles involves the proper handling of the heavy steel coils, which can weigh several tons. It is crucial to have the correct equipment and procedures in place to safely move and manipulate the coils. This necessitates the use of cranes, forklifts, or other strong lifting devices capable of handling the weight and size of the coils. Another challenge revolves around maintaining the integrity of the steel coils throughout the processing. These coils are vulnerable to damage from scratches, dents, or other physical deformations. To minimize the risk of damage, it is important to establish suitable storage and handling procedures. Moreover, caution must be exercised during cutting, slitting, or other processing operations to prevent any harm or compromise to the coils. Quality control presents another significant challenge in steel coil processing. Consistently producing coils that meet the required specifications, such as thickness, width, and surface quality, is essential. To achieve this, meticulous inspection and monitoring must be carried out throughout the entire processing chain, from the receipt of raw materials to the final product. Any deviations from the desired specifications can result in rejected coils or customer dissatisfaction. Efficiency and productivity also pose challenges in steel coil processing. It is imperative to optimize processing operations to minimize waste, reduce downtime, and maximize throughput. This can be achieved through the implementation of automation, improved production planning, and streamlined workflows. Additionally, striking a balance between production speed and maintaining quality standards is crucial for efficient and productive processing. Lastly, safety is a significant challenge in steel coil processing. The equipment and processes involved in the industry present various risks to workers, including accidents, injuries, or exposure to harmful substances. To ensure a safe working environment, it is vital to establish proper safety protocols, provide adequate employee training, and regularly inspect and maintain equipment. In conclusion, steel coil processing encompasses challenges such as handling heavy coils, maintaining their integrity, ensuring quality control, optimizing efficiency and productivity, and ensuring a safe working environment. By addressing these challenges, steel coil processors can achieve smooth operations and deliver high-quality products to their customers.

Q:How are steel coils inspected for chemical composition using spectroscopy?: Steel coils are inspected for chemical composition using spectroscopy by using a technique called laser-induced breakdown spectroscopy (LIBS). In LIBS, a high-energy laser beam is directed onto the surface of the steel coil, causing a small portion of the material to vaporize and form a plasma. The plasma emits characteristic light that is unique to the elements present in the steel. This emitted light is then analyzed by a spectrometer, which separates the light into its individual wavelengths and measures their intensities. By comparing the intensities of the emitted light to known reference spectra, the chemical composition of the steel coil can be determined accurately and efficiently.

Q:Whats the difference in composition? When LTCS is used generally?Whats the temperature range, that these materials can be used? Is there any relation between Killed carbon steel, LTCS, stainless steel, carbon steel(normal)? How to categorise/classify these?Thankyou very much in advance..: When exposed to elevated temperatures, quenched and tempered steels are more susceptible than normalized steels to permanent reduction in strength. This is especially true when exposure temperature begins to approach tempering temperature used when the parts were produced. In addition to losing strength, tempered steels also may experience reduced impact toughness after being exposed to long-term elevated temperatures. General belief is that this is the reason for LCC's reduced maximum allowable temperature limit of 345°C / 650°F in B16.34.

Q:I was watching a documentary on the samurai vs the European knight. It said that the when Japan was being invaded by the (cant remember) they needed a new weapon. The enemies armor made iron swords useless. While steel swords broke when in combat. So to combat this the Japanese made a hybrid sword. They used a special mold that made the swords back iron while the part that makes contact with the enemy was steel. Also the sword was curved so it increased its armor and cutting power. This revolutionary design made the the sword stronger. The iron back made it not break while the steel edge made it cut through the enemies armor. I want to know how iron is stronger than steel, and how steel can cut better than iron.: This Site Might Help You. RE: Why is iron stronger than steel? I was watching a documentary on the samurai vs the European knight. It said that the when Japan was being invaded by the (cant remember) they needed a new weapon. The enemies armor made iron swords useless. While steel swords broke when in combat. So to combat this the Japanese made a hybrid...

Q:Are steel coils corrosion-resistant?: Yes, steel coils can be made corrosion-resistant through various methods such as coating them with protective layers or using corrosion-resistant alloys.

Q:What are the common methods of inspecting steel coils for defects?: The common methods of inspecting steel coils for defects include visual inspection, ultrasonic testing, magnetic particle inspection, and eddy current testing.

Q:What are the different methods of surface treatment for steel coils?: There are several different methods of surface treatment for steel coils, each with its own benefits and applications. Some of the most common methods include: 1. Hot-dip galvanizing: This is a process where the steel coil is immersed in a bath of molten zinc, which forms a protective coating on the surface. Hot-dip galvanizing provides excellent corrosion resistance and is commonly used in outdoor applications such as roofing, fencing, and automotive parts. 2. Electro-galvanizing: In this method, a thin layer of zinc is electroplated onto the surface of the steel coil. Electro-galvanizing offers similar corrosion resistance as hot-dip galvanizing, but with a thinner coating. It is often used in applications where a smooth and aesthetically pleasing finish is desired, such as appliances, electrical equipment, and automotive components. 3. Powder coating: Powder coating involves applying a dry powder to the surface of the steel coil, which is then cured under heat to form a durable and protective layer. This method provides excellent resistance to chipping, scratching, and fading, making it suitable for a wide range of indoor and outdoor applications. 4. Painting: Steel coils can also be treated with conventional liquid paint coatings, which provide both protection and aesthetic appeal. Paint coatings can be customized to meet specific requirements such as corrosion resistance, UV protection, or chemical resistance. They are commonly used in industries such as construction, automotive, and appliances. 5. Pickling and oiling: This method involves removing any scale or rust from the surface of the steel coil by dipping it in an acid solution (pickling), followed by a coating of oil to prevent reoxidation. Pickling and oiling are typically used for temporary corrosion protection during storage and transportation of steel coils. 6. Pre-painted coatings: Steel coils can be coated with pre-painted finishes at the manufacturing stage. Pre-painted coatings are applied in a continuous process, where the steel coil is passed through a coating line, and a layer of paint is applied. This method provides a wide range of colors and finishes, making it popular in the construction, automotive, and appliance industries. These are just a few of the methods commonly used for surface treatment of steel coils. The choice of method depends on factors such as the desired level of corrosion resistance, aesthetics, environmental conditions, and the specific application requirements.

Q:How are steel coils inspected for bendability using bend testers?: Bend testers are specialized machines utilized to inspect the bendability of steel coils, measuring their flexibility and resistance against bending. The inspection process involves multiple steps to guarantee precise and dependable outcomes. To begin with, the steel coil is prepared by securing it firmly in place, typically using clamps or other mechanisms to prevent any movement during testing. This ensures stability and enables consistent and repeatable measurements. Following that, the bend tester is set up according to the specified testing parameters. These parameters usually 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 applies a controlled force on the coil, simulating the bending conditions it may experience in its application or use. Once the bend tester is ready, the bending process commences. The machine gradually applies an increasing force to the steel coil until it reaches the desired bend angle. Careful measurement and monitoring of this force take place throughout the process to ensure accuracy. While the bending process is underway, the machine records and displays significant 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 its compliance with required standards. Once the desired bend angle is attained, the coil is released from the bending mechanism, allowing any residual stresses to relax. This relaxation period is essential for observing 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 assess the overall bendability of the steel coil. If the coil meets the specified bendability criteria, it can be deemed acceptable for its intended application. However, if any cracks, fractures, or excessive spring-back are detected, further investigation and analysis may be necessary to identify the cause and determine appropriate corrective actions. In conclusion, bend testers play a crucial role in inspecting the bendability of steel coils. Through a controlled and systematic process, these machines accurately measure flexibility and resistance to bending, ensuring the quality and reliability of steel coils used in various industries.

Q:How to solve steel plate storage: The warehouse temperature should be constant, prevent the occurrence of condensation, a horizontal steel coil to pile up, forced to pile up, in contact with each other at the coil not binding belt lock, steel roll room felt material, narrow roll on wide roll, roll on roll light. In order to facilitate the lifting, the steel coil and the wall should be kept a certain distance.

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