Steel Coil/Sheet/Strip/Sheet Steel Coil Strip/Sheet G3131-SPHC

Steel Coil/Sheet/Strip/Sheet Steel Coil Strip/Sheet G3131-SPHC System 1

Steel Coil/Sheet/Strip/Sheet Steel Coil Strip/Sheet G3131-SPHC System 2

Steel Coil/Sheet/Strip/Sheet Steel Coil Strip/Sheet G3131-SPHC

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 500000 m.t./month

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Product Description:

Product Name	Cold Rolled Sheet Coil
Material	SPCC/SPCD/SPCE/DC01/ST12/ ST14/SPCD/DC03/DC04 ect.
Grade Standard	JIS G3302, EN10142, ASTM653, ASTM95
Thickness	0.15-3.5mm
Width	600mm-1500mm
Coil ID	508-610mm
Coil OD	max 1500mm
Weight	3-10 Tons
Tolerance	Thickness tolerance:+/-0.02mm; Width tolerance:+/-5mm
Surface	No-skin passed or Skin passed, Tensile leveled
Surface Treatment	Chromate/Unchromate passivation, fingerprint resistant treatment, oiled/unoiled
Annual Output	350,000MT
Application	Construction, hardware, home applicances, interior decoration

Rolled to its final dimensions while it’s hot enough to scale, our hot-rolled steel is an amalgamation of the various qualities of steel. It can be in the form of plates, sheets and coils. Our Hot-Rolled Steel Sheets and Coils are applied to a wide range of uses such as automobile, electrical appliance, machinery manufacturing, container manufacturing, shipbuilding, bridge, pipeline, and receive high acclaim from our customers for its excellent quality.

We can ensure that stable quality standards are maintained, strictly meeting both market requirements and customers’ expectations. Our products enjoy an excellent reputation and have been exported to Europe, South-America, the Middle-East, Southeast-Asia, Africa and Russia etc.. We sincerely hope to establish good and long-term business relationship with your esteemed company.

Q:Can steel coils be coated with noise-reducing materials?: Yes, steel coils can be coated with noise-reducing materials. These materials, such as rubber or polymer coatings, are designed to dampen vibrations and reduce noise generated during steel coil movement or processing. Coating steel coils with noise-reducing materials helps minimize noise pollution in various industrial applications.

Q:How are steel coils loaded onto a truck?: Steel coils are typically loaded onto a truck using specialized equipment such as cranes, forklifts, or coil trailers. The coils are lifted or rolled onto the truck bed, ensuring proper distribution of weight and secure fastening to prevent any movement during transportation.

Q:How are steel coils annealed for improved properties?: Steel coils are annealed for improved properties by heating them to a specific temperature and then slowly cooling them down. This process, known as annealing, helps to relieve internal stresses in the steel, increase its ductility, and improve its machinability.

Q:Like 49ers. Pittsburgh have long history of steel industry?: Yes, short and simple

Q:What is the shelf life of steel coils?: The shelf life of steel coils can vary depending on various factors such as the type of steel, its specific application, and the storage conditions. Generally, steel coils have a long shelf life as they are highly durable and resistant to corrosion. When stored properly, such as in a dry and controlled environment, steel coils can last for many years without any significant degradation in quality. However, it is important to note that certain types of steel, such as galvanized steel, may have a shorter shelf life due to the potential for corrosion if the protective coating is compromised. Additionally, if steel coils are exposed to extreme weather conditions, high humidity, or chemicals, their shelf life may be reduced. To ensure the longevity of steel coils, it is recommended to store them in a covered area to protect them from moisture and direct sunlight. Proper stacking and handling techniques should also be followed to prevent any damage that could lead to premature deterioration. Ultimately, the shelf life of steel coils can vary, but with appropriate storage and handling, they can remain in good condition for an extended period, making them a reliable and long-lasting material for various applications.

Q:What are the different methods of testing the mechanical properties of steel coils?: Testing the mechanical properties of steel coils can be done through various methods, which play a critical role in determining the steel's strength, ductility, and overall quality. Some commonly employed techniques include the following: 1. Tensile testing: This method involves applying a force to a steel coil until it breaks. It measures the maximum stress the material can endure before fracturing, as well as its elongation and reduction in cross-sectional area. Tensile testing provides valuable information about the coil's ultimate tensile strength, yield strength, and elongation. 2. Hardness testing: This test determines a material's resistance to indentation or scratching. Multiple methods, such as Brinell, Vickers, and Rockwell hardness tests, can be employed to measure the hardness of steel coils. These tests offer insights into the steel's ability to resist deformation and wear. 3. Bend testing: Bend testing involves subjecting a steel coil to controlled bending until it reaches a specific angle or a crack appears. This test evaluates the coil's ductility, flexibility, and its resistance to cracking or fracturing under bending stress. 4. Impact testing: Impact testing gauges a steel coil's capacity to absorb energy when exposed to sudden shocks or impacts. The Charpy impact test is the most commonly used method, wherein a notched specimen is struck by a pendulum hammer, and the energy absorbed during fracture is measured. This test assesses the coil's toughness and resistance to brittle fracture. 5. Fatigue testing: Fatigue testing entails subjecting a steel coil to repeated or cyclic loading to simulate the stresses it may experience during its intended use. This test evaluates the coil's ability to withstand repeated stress over an extended period and its resistance to fatigue failure. 6. Ultrasonic testing: Ultrasonic testing utilizes high-frequency sound waves to detect defects or flaws within the steel coil. This non-destructive testing method can identify internal or surface defects like cracks, voids, or inclusions that may impact the steel's mechanical properties. It is worth noting that these testing methods typically adhere to industry standards and specifications, such as those set by ASTM (American Society for Testing and Materials) or ISO (International Organization for Standardization). This ensures the accuracy and reliability of the results obtained.

Q:What are the challenges in welding steel coils?: There are several challenges in welding steel coils that need to be addressed in order to ensure successful and high-quality welds. One of the main challenges is achieving proper joint preparation. Steel coils often have different surface conditions, such as rust, scale, or oil, which need to be cleaned or removed before welding. This requires extensive cleaning and preparation to ensure a clean and sound welding surface. Another challenge is the control of heat input. Steel coils are typically thin, and excessive heat can cause distortion, warping, or even burn-through. Welding operators need to carefully control the heat input to prevent these issues and maintain the integrity of the coils. Moreover, the presence of residual stresses is a significant challenge. Steel coils are often subjected to various stresses during manufacturing, transportation, and handling, which can lead to distortion or cracking during welding. Adequate preheating and post-weld heat treatment may be necessary to relieve these stresses and prevent any potential defects. Ensuring proper weld penetration is also crucial. Steel coils may have varying thicknesses, and achieving consistent and adequate weld penetration throughout the joint can be challenging. Welding operators need to choose the appropriate welding parameters and techniques to ensure complete fusion and a strong bond. Lastly, the size and weight of steel coils can pose logistical challenges during welding. Handling large and heavy coils requires specialized equipment and proper positioning to ensure safe and efficient welding. Additionally, the length of the coils may require multiple passes or continuous welding, which demands skilled operators and precise coordination. Overall, welding steel coils requires careful attention to joint preparation, heat control, stress relief, weld penetration, and logistical considerations. Overcoming these challenges ensures the production of high-quality and durable welded steel coils.

Q:How are steel coils processed for cold rolling or hot rolling?: Steel coils are processed for cold rolling or hot rolling through a series of steps. For cold rolling, the steel coil is first uncoiled and then cleaned to remove any dirt or impurities. It is then passed through a series of rollers to reduce its thickness and improve its surface finish. On the other hand, for hot rolling, the steel coil is heated to high temperatures and then run through a set of rollers to reduce its thickness and shape it into the desired form. Both processes involve careful control of temperature, pressure, and speed to achieve the desired properties and dimensions of the steel.

Q:How are steel coils used in the manufacturing of industrial valves?: Steel coils are used in the manufacturing of industrial valves as they provide the necessary raw material for creating valve bodies, stems, and other components. The coils are shaped, cut, and formed into different valve parts, ensuring strength and durability. These steel components are then assembled, welded, and machined to create fully functional industrial valves used in various applications such as oil and gas, chemical processing, and water treatment industries.

Q:What are the different methods of levelling steel coils?: There are several methods of leveling steel coils, including roller leveling, stretcher leveling, and temper leveling.

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