Stainless Steel Coil SS 201/304/316/304L/316L/309S/310S/430 stainless steel coil

Stainless Steel Coil SS 201/304/316/304L/316L/309S/310S/430 stainless steel coil System 1

Stainless Steel Coil SS 201/304/316/304L/316L/309S/310S/430 stainless steel coil

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100 m.t./month

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1.Structure of Stainless Steel Coil Description

The surface brightness and flatness of no2B is better than no2D. then through a special

surface treatment to improve its mechanical properties,No2B could nearly satisfy comprehensive uses.

2.Main Features of the Stainless Steel Coil

• Tensile strength: not less than 520

• Provides that non-proportional extension strength: not less than 205

• Elongation: not less than 35; 3 density: 7.98

3. Stainless Steel Coil Images

Stainless Steel Coil SS 201/304/316/304L/316L/309S/310S/430 stainless steel coil

4. Stainless Steel Coil Specification

Grade:	200series.300series.	Standard:	JIS,AISI,ASTM	Length:	as request
Thickness:	0.3-3mm	Width:	30-2000mm	Place of Origin:	Shanxi China (Mainland)
Brand Name:	CNBM	Model Number:	ss201/304/316/304L/316L/309S/310S/430	Type:	Coil
Application:	hardware, foodstuff, manufacture, medic	Certification:	SGS	Item:	ss202/304/316/309s/310/410/420 stainless steel sheet
Packaging:	Export standard package or as your requirement	Delivery:	In 15 days	Stock:	Available

5.FAQ of Stainless Steel Coil

①Who are you？

We are the manufacturer! We produce stainless steel products

with high quality & very competitive price!Please feel free to

②How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.

③How about your company？

A world class manufacturer & supplier of castings forging in Stainless Steel Sheet，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

Q: How are steel strips produced?: The production of steel strips can be accomplished by means of a technique known as hot rolling. This process entails the heating of a steel slab to a temperature exceeding its recrystallization point, followed by its passage through a sequence of rolling mills. The initial mill reduces the thickness of the slab, while subsequent mills further refine the thickness and mold the steel into a strip. The elevated temperature experienced during hot rolling facilitates the malleability of the steel and eradicates any internal stresses within the material. Subsequently, the strip is cooled and coiled, rendering it prepared for further processing or utilization in diverse applications. An alternative approach for manufacturing steel strips is through cold rolling, whereby the steel is treated at ambient temperatures. Cold rolling permits the attainment of a smoother surface finish and more precise dimensional tolerances compared to hot rolling. The method involves guiding the steel strip through a series of rolling mills, gradually diminishing its thickness until the desired gauge is achieved. Additionally, cold rolling has the capability to enhance the mechanical properties of the steel, such as hardness and strength. Following cold rolling, the strip may undergo supplementary treatments, including annealing or coating, with the aim of augmenting its properties or safeguarding it against corrosion. On the whole, both hot rolling and cold rolling are widely employed techniques for the production of steel strips, each offering distinct advantages contingent upon the desired characteristics of the final product.

Q: How are steel strips annealed for improved ductility?: To enhance the ductility of steel strips, they undergo a procedure known as annealing. Annealing consists of subjecting the steel strips to a specific temperature and subsequently gradually cooling them. By doing so, any internal stresses are eliminated, and the ductility of the steel is enhanced. The initial step in annealing steel strips involves heating them to a temperature surpassing their recrystallization temperature. This temperature may vary depending on the steel's composition, typically ranging from 1000 to 1100 degrees Celsius. By exceeding this temperature, the existing grain structure is broken down, allowing new grains to develop as the strips cool. Once the desired temperature is attained, the steel strips are gradually cooled. This deliberate cooling process, also referred to as controlled cooling or furnace cooling, is vital for achieving the desired level of ductility. It enables the newly formed grains to grow and align in a manner that reduces internal stresses and promotes superior ductility. The rate of cooling during annealing is critical, as rapid cooling can result in the formation of undesirable crystal structures, potentially diminishing the steel's ductility. Therefore, the cooling process is typically executed in a controlled environment, such as a furnace, ensuring a gradual and uniform cooling rate. Ultimately, the process of annealing steel strips to enhance ductility entails heating them to a specific temperature exceeding their recrystallization temperature, followed by a gradual cooling process. This method eliminates internal stresses and stimulates the growth of new grains, ultimately improving the ductility and mechanical properties of the steel strips.

Q: How are steel strips coated with zinc?: Steel strips are coated with zinc through a process called galvanization. There are two main methods used for this purpose: hot-dip galvanization and electro-galvanization. Hot-dip galvanization involves immersing the steel strips into a bath of molten zinc at a temperature of around 450 degrees Celsius (842 degrees Fahrenheit). The steel strips are carefully cleaned to remove any impurities and then passed through a series of pre-treatment stages, including acid pickling and fluxing, to enhance the adhesion of the zinc coating. Once the steel strips are properly prepared, they are dipped into the molten zinc bath, where the zinc reacts with the steel surface to form a protective layer. The zinc coating adheres tightly to the steel and provides excellent corrosion resistance. Electro-galvanization, on the other hand, is a process that involves the application of a thin layer of zinc onto the steel strips through an electroplating method. The steel strips are first cleaned and then immersed in an electrolyte solution containing zinc ions. A direct electric current is passed through the solution, causing the zinc ions to be attracted and deposited onto the steel surface. This process allows for a more controlled and precise coating thickness, making it suitable for applications where a thinner coating is desired. Both hot-dip galvanization and electro-galvanization offer effective ways to coat steel strips with zinc, providing them with a protective layer that significantly enhances their durability and resistance to corrosion. The method chosen depends on factors such as the desired coating thickness, application requirements, and cost considerations.

Q: What are the common grades of steel used for making strips?: The grades of steel commonly employed for strip production vary depending on the specific purpose and desired characteristics. However, several frequently utilized grades encompass: 1. Low carbon steel (C1008/C1010): This steel grade is favored for strip production due to its exceptional formability and weldability. It finds widespread use in industries including automotive, construction, and appliances. 2. Medium carbon steel (C1045/C1050): Offering superior strength and hardness compared to low carbon steel, this grade finds application where heightened strength and wear resistance are required, such as in the manufacture of cutting tools or machine components. 3. High carbon steel (C1095): Among the common grades, high carbon steel strips exhibit the highest strength and hardness. They are commonly employed for manufacturing springs, saw blades, and other high-stress applications that demand durability and resilience. 4. Stainless steel (e.g., 304/316): Stainless steel strips are extensively utilized owing to their exceptional resistance to corrosion and appealing aesthetic qualities. They find common use in applications like kitchenware, automotive trims, and architectural components. 5. Alloy steel (e.g., 4140/4340): Alloy steel strips are formed by incorporating diverse alloying elements to enhance specific properties such as strength, toughness, or heat resistance. They are commonly employed in applications requiring high strength and durability, such as the production of gears, shafts, or aerospace components. It is essential to note that these represent just a few instances of the grades of steel commonly employed for strip production, with numerous other grades available, each with its distinct properties and applications. The selection of the appropriate grade relies on factors such as the intended use, required mechanical properties, and the environmental conditions to which the strips will be exposed.

Q: What is the resistance to wear of a steel strip?: The resistance to wear of a steel strip is typically high due to the material's inherent hardness and durability. Steel, known for its strength and toughness, is resistant to abrasion and can withstand repeated contact and friction without significant damage or wear. This resistance to wear makes steel strips suitable for various applications, such as in industrial machinery, automotive components, construction materials, and cutting tools. Additionally, the wear resistance of a steel strip can be further enhanced through surface treatments or coatings to provide additional protection against wear and corrosion. Overall, the resistance to wear of a steel strip is an important characteristic that ensures its longevity and performance in various demanding environments and applications.

Q: What are the safety precautions when handling steel strips?: To ensure safety when handling steel strips, it is important to keep the following precautions in mind: 1. Personal Protective Equipment (PPE): It is essential to wear the appropriate PPE, such as safety glasses, gloves, and steel-toed boots. This will safeguard against potential hazards like sharp edges, flying debris, or accidental drops. 2. Employ Correct Lifting Techniques: Due to the weight and bulkiness of steel strips, it is crucial to use proper lifting techniques to avoid strain or injury. Bend your knees, maintain a straight back, and utilize your leg muscles for lifting. If necessary, employ lifting aids or equipment for assistance. 3. Ensure Secure Storage and Handling: Store and handle steel strips securely and in an organized manner to prevent falling or shifting, which can lead to injury. Employ suitable storage racks, pallets, or straps to maintain stability during transport or storage. 4. Prevent Slips, Trips, and Falls: Keep work areas clean and free from obstacles, spills, or debris that could cause slips, trips, or falls. Maintain good housekeeping practices and use anti-slip mats or flooring when necessary. Be cautious of uneven surfaces or slippery conditions, particularly when moving or transporting steel strips. 5. Mind Sharp Edges and Burrs: Steel strips may have sharp edges or burrs that can cause cuts or lacerations. Inspect the strips for any sharp edges and, if necessary, use deburring tools to remove burrs. Handle the strips with caution to avoid accidental cuts or scrapes. 6. Ensure Proper Equipment and Machinery: When utilizing equipment or machinery for handling steel strips, ensure they are in good working condition and adequately maintained. Adhere to all safety guidelines and instructions provided by the manufacturer. Never operate equipment without proper training or authorization. 7. Communication and Teamwork: If working as part of a team, effectively communicate with colleagues to ensure awareness of assigned tasks and potential hazards. Practice teamwork and provide assistance when needed, especially during the lifting or movement of heavy steel strips. By adhering to these safety precautions, the risk of accidents, injuries, and damage when handling steel strips can be minimized. Always prioritize safety and take necessary precautions to protect yourself and others in the workplace.

Q: How are steel strips heat treated?: Steel strips are heat treated through a process known as annealing or tempering, which involves exposing the strips to controlled heating and cooling cycles. The purpose of heat treating steel strips is to improve their mechanical properties, such as hardness, toughness, and ductility. During annealing, the steel strips are heated to a specific temperature, typically above its critical temperature, and then slowly cooled down. This process relieves internal stresses, refines the grain structure, and improves the overall machinability of the steel strips. It also enhances the ductility and toughness, making the strips more resistant to deformation and cracking. Tempering, on the other hand, follows a similar heating process but involves reheating the steel strips to a lower temperature and then rapidly cooling them. This step is performed to reduce the hardness and increase the toughness of the steel strips. By selecting the appropriate temperature and cooling rate, the desired combination of strength and toughness can be achieved. The heat treatment of steel strips is often performed in controlled atmospheres or in furnaces, where the temperature and cooling rate can be precisely regulated. This ensures consistent and reliable heat treatment results. Additionally, other factors such as the composition of the steel and the desired end properties also influence the specific heat treatment process. Overall, heat treating steel strips is a critical step in their manufacturing process as it allows for the optimization of their mechanical properties, making them suitable for a wide range of applications in industries such as automotive, construction, and manufacturing.

Q: Are steel strips suitable for making jewelry?: Yes, steel strips can be suitable for making jewelry. Steel strips are durable, versatile, and can be shaped into various designs. However, they may not be as popular as other materials like gold or silver due to their industrial aesthetic.

Q: How are steel strips joined together?: Steel strips are typically joined together using welding, adhesive bonding, or mechanical fastening methods such as riveting or bolting.

Q: How do steel strips contribute to dimensional stability in various applications?: Steel strips contribute to dimensional stability in various applications due to their inherent properties such as high tensile strength, rigidity, and resistance to warping or bending. These properties ensure that steel strips maintain their shape and dimensions even under extreme conditions, preventing any significant dimensional changes. As a result, they provide stability and precision in a wide range of applications, including construction, automotive manufacturing, electrical appliances, and packaging industries.

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