Hot Rolled Stainless Steel Coil Made in China/ Chinese Supplier
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 23 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Standard:
ASTM,DIN,JIS
Technique:
Hot Rolled,Cold Rolled
Shape:
Round
Surface Treatment:
Oiled,Dry
Steel Grade:
Q195,Q215,Q235
Certification:
ISO,SGS,BV,CE
Thickness:
0.18mm-1.8mm
Width:
1000mm-1600mm
Length:
according to weight
Outer Diameter:
according to weight
Net Weight:
23mt
Packaging:
Standard Export Packing
Product Description
Specifications of Stainless Steel Coil:
| commodity | 304 Stainless Steel Coil | ||||||||
| Width | 100mm to 2500mm or customized | ||||||||
| Thickness | 0.3mm-80mmor as customer's request | ||||||||
| surface | 2b, Ba, No. 1, No. 8, 8k, Mirror | ||||||||
| material | 201 202 304 301 302 321 347H 316 316L 309 310 430etc | ||||||||
| grade | 200/300/400 series | ||||||||
| standards | AISI ASTM JIS SUS and GB | ||||||||
| certifications | ISO 9001 SGS BV | ||||||||
| applications | Kitchenware, utensils, tableware, household appliances, construction decoration and daily products | ||||||||
| packing | Seaworthy wooden pallet or according to client's requirement | ||||||||
| Place of origin | Shanxi China (mainland) | ||||||||
| Payment terms | L/C or T/T | ||||||||
| Delivery time | Up to order quantity | ||||||||
Chemical Composition
Grade | Chemical Composition | ||||
C | Si | Mn | P | S | |
Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.040 | ≤0.040 |
Q345C | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.035 | ≤0.035 |
Q345D | ≤0.18 | ≤0.55 | 1.00-1.60 | ≤0.030 | ≤0.030 |
Product Picture
Production Process
Features:
Q195~Q345 hot rolled plate has low chemical composition and high-intensity, i.e. C and Mn content lower than that of all similar products at the same intensity level in China, high-performance products can be produced with low chemical composition. The specific hot-rolled process as per carbon equivalent will help improve the precision of product size and bring about high hit rate. Goods can be delivered as steel plates, steel coils and slitting strips to meet different needs of users.
- Q: How are steel coils transported and stored?
- Steel coils are typically transported using specialized trailers or railcars, ensuring secure and stable transportation. They are usually stored in warehouses or outdoor yards, stacked in neat rows using specialized equipment like coil racks or cradles. These storage methods help maximize space efficiency and prevent damage to the coils.
- Q: What are the factors affecting the lifespan of steel coils?
- There are several factors that can affect the lifespan of steel coils. Firstly, the quality of the steel used in the manufacturing of the coils plays a significant role. High-quality steel with proper composition and metallurgical properties tends to have a longer lifespan compared to lower-quality steel. Secondly, the environment in which the steel coils are stored and used also affects their lifespan. Exposure to extreme temperatures, humidity, and corrosive substances can lead to degradation and corrosion of the coils, reducing their lifespan. Proper storage conditions, such as controlled temperature and humidity levels, can help prolong the lifespan of the coils. Thirdly, the handling and transportation of steel coils can impact their lifespan. Improper handling, such as dropping or mishandling during loading and unloading, can cause physical damage to the coils, leading to premature failure. Similarly, rough transportation conditions, such as excessive vibration or impact, can also contribute to the deterioration of the coils and reduce their lifespan. Furthermore, the maintenance and care of the steel coils also play a role in their lifespan. Regular inspection, cleaning, and maintenance can help identify and address any potential issues before they become major problems. Additionally, applying protective coatings or treatments to the coils can help prevent corrosion and extend their lifespan. Overall, a combination of factors including the quality of the steel, storage conditions, handling and transportation, and maintenance practices all contribute to the lifespan of steel coils. It is essential to consider these factors and take appropriate measures to ensure the longevity of the coils.
- Q: If rail ties were melted, would they be like any other type of steel?
- If you were to melt rail steel down and pour it into ingots, I doubt anyone would check to find it's source although a skilled metalurgist would know. While the steel was melted you could toss a handful of old horseshoes in and change the composition and no one would know. Good luck with your project, I would like to know how it turns out.
- Q: How many types of steel buildings are there?
- There are a number of designs which can be used to create different types of steel buildings as per the demands of the buyer or an investor. he various kinds of that can be constructed using steel are Homes, Hangars, Agriculture and Farm buildings for storage, Garages and Storage sheds, Open air sheds,, Barns, Arenas and stadiums, Automotive buildings with overhead doors and flexible framed openings, Religious buildings such as Churches and Temples, etc.
- Q: How are steel coils inspected for surface cleanliness?
- Steel coils are inspected for surface cleanliness through a variety of methods including visual inspection, magnetic particle inspection, and ultrasonic testing. Visual inspection involves visually examining the surface for any visible contaminants or defects. Magnetic particle inspection uses magnetic fields and particles to detect surface defects such as cracks or flaws. Ultrasonic testing uses high-frequency sound waves to detect any subsurface defects or irregularities. These inspection methods ensure that the steel coils meet the required standards of cleanliness and quality.
- Q: Correct me if I am wrong, but steel is an alloy between iron and carbon. Does the carbon in the steel stops the iron from rusting or corroding? Also what is the difference between mild steel and stainless steel?
- Mild steel is an alloy. It is the most common form of steel. Mild steel (a so-called carbon steel) is a general term for a range of low carbon (a maximum of about 0.3%) steels that have good strength and can be bent, worked or can be welded into an endless variety of shapes for uses from vehicles (like cars and ships) to building materials. The carbon does not stop the material rusting or corroding. In addition to iron, carbon, and chromium, modern stainless steel may also contain other elements, such as nickel, niobium, molybdenum, and titanium. Nickel, molybdenum, niobium, and chromium enhance the corrosion resistance of stainless steel. It is the addition of a minimum of 12% chromium to the steel that makes it resist rust, or stain 'less' than other types of steel. The chromium in the steel combines with oxygen in the atmosphere to form a thin, invisible layer of chrome-containing oxide, called the passive film. The sizes of chromium atoms and their oxides are similar, so they pack neatly together on the surface of the metal, forming a stable layer only a few atoms thick. If the metal is cut or scratched and the passive film is disrupted, more oxide will quickly form and recover the exposed surface, protecting it from oxidative corrosion.
- Q: How are steel coils stored to prevent damage?
- In order to prevent damage and maintain their integrity, steel coils are stored in a manner that is designed to minimize risks. One common approach involves horizontally stacking the coils, which helps evenly distribute the weight and reduces the likelihood of deformation or damage. Additionally, each layer of coils is often separated by wooden or steel dunnage to provide support and prevent shifting during storage or transportation. To protect the coils from harm, they are frequently stored indoors or in covered areas to shield them from exposure to the elements. This precaution serves to prevent rusting or corrosion, which could compromise the steel's quality. In situations where outdoor storage is necessary, weather-resistant tarps or protective coatings may be used to minimize the potential impact of rain, snow, or sunlight. Moreover, it is essential to consider the height at which the coils are stacked in order to avoid applying excessive pressure on the lower coils. To prevent damage, coils are typically stacked in a manner that ensures the weight from the upper layers is evenly distributed across the lower ones. This may involve the utilization of specialized stacking equipment or racks that are specifically designed to handle the weight and dimensions of the coils. In summary, the proper storage of steel coils entails careful attention to weight distribution, protection from the elements, and minimizing contact between coils to prevent damage and preserve their quality.
- Q: How are steel coils used in the production of furniture components?
- Steel coils are commonly used in the production of furniture components due to their strength, durability, and versatility. These coils, which are made from high-quality steel, are first uncoiled and then fed into a machine called a stamping press. The stamping press uses a die to shape and cut the steel coil into various components required for furniture production, such as chair frames, table legs, or brackets. The use of steel coils allows for the mass production of furniture components with consistent dimensions and high precision. The strength of steel ensures that the components can withstand heavy loads and provide stability to the furniture. Additionally, steel coils can be easily formed into different shapes and sizes, enabling the production of a wide variety of furniture designs. Moreover, steel coils are often coated or treated with protective layers such as paints or galvanization to enhance their resistance to corrosion, moisture, and wear. This ensures that the furniture components have a longer lifespan and maintain their aesthetic appeal over time. In summary, steel coils play a crucial role in the production of furniture components by providing strength, durability, and versatility. They enable the mass production of precise and consistent components, and their protective coatings ensure the longevity and quality of the final furniture products.
- Q: How are steel coils inspected for flatness using optical sensors?
- Steel coils are inspected for flatness using optical sensors by employing a system known as optical flatness measurement. This method involves the use of high-resolution cameras that capture images of the steel surface as it passes through the inspection line. Firstly, the steel coil is unwound and passed over a roller table. As it moves, the optical sensors are positioned above the coil to capture images at regular intervals. These sensors typically consist of a combination of laser line projectors and high-resolution cameras. The laser line projectors emit a thin, straight line of laser light across the width of the steel coil. This laser line acts as a reference plane for measuring the flatness of the steel surface. The high-resolution cameras then capture images of the laser line as it interacts with the steel coil. The captured images are then analyzed using advanced image processing algorithms. The algorithms analyze the deformation of the laser line on the steel surface and calculate the deviations from the flat reference plane. These deviations indicate any irregularities or variations in the flatness of the steel coil. The optical sensors can accurately detect even the slightest deviations in flatness, measuring them in micrometers or even smaller units. This enables manufacturers to identify and rectify any flatness issues in the steel coils before further processing or shipment. In addition to measuring flatness, optical sensors can also detect other surface defects such as waviness, scratches, or dents. By incorporating multiple cameras and laser line projectors from different angles, a comprehensive inspection of the steel coil's surface can be achieved. Overall, the use of optical sensors for inspecting steel coil flatness provides a fast, accurate, and non-contact method. By detecting and rectifying any flatness issues early in the production process, manufacturers can ensure the delivery of high-quality steel products to their customers.
- Q: How are steel coils inspected for weldability?
- Steel coils are inspected for weldability through a series of comprehensive tests and examinations. The main objective of this inspection is to assess the quality and suitability of the steel coils for welding processes. Firstly, visual inspection is conducted to identify any visual defects or irregularities on the surface of the coils. This includes checking for surface roughness, cracks, scratches, or any other imperfections that may affect the weldability. Next, destructive testing methods such as tensile testing and impact testing are performed. Tensile testing measures the strength and ductility of the steel, ensuring it meets the required mechanical properties for welding. Impact testing evaluates the steel's resistance to brittle fracture, which is crucial in determining its weldability. Furthermore, non-destructive testing techniques such as ultrasonic testing (UT) and magnetic particle inspection (MPI) are employed to detect internal defects and discontinuities. UT uses high-frequency sound waves to identify any hidden flaws within the steel, while MPI utilizes magnetic particles to identify surface and near-surface defects. Additionally, chemical analysis is carried out to determine the steel's composition and ensure it meets the required specifications for welding. This analysis involves checking the levels of carbon, manganese, sulfur, and other elements that may affect the weldability and overall performance of the steel. Moreover, weldability testing is performed to evaluate the steel's response to welding processes. This involves conducting various welding trials using different techniques and parameters to determine the steel's behavior during welding, such as its susceptibility to cracking, distortion, or other welding-related issues. Overall, the inspection of steel coils for weldability is a multi-faceted process that combines visual, destructive, non-destructive, chemical, and weldability testing methods. By conducting these thorough inspections, manufacturers can ensure that the steel coils meet the required standards and are suitable for welding applications.
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Hot Rolled Stainless Steel Coil Made in China/ Chinese Supplier
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 23 m.t.
- Supply Capability:
- 50000 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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