Stainless Steel Coil Cold Rolled AISI 304 With Good Quality
- Ref Price:
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 5000 m.t./month
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Stainless Steel Coil Cold Rolled 304 With Good Quality
1.Structure of Stainless Steel Coil Cold Rolled 304 With Good Quality
Cold Rolled stainless steel Coil with good quality is one of the raw material of the cold rolled stainless steel Coil, which can be used directly in many places. Stainless Steel (Stainless Steel) is short for acid-proof Stainless Steel, resistant to weak corrosive medium such as air, steam, water, or with a Stainless Steel grade.
2.Main Features of Prefabricated Steel Structure High Building Project
1) Weldability: The purpose of the different requirement for welding performance are different.1 Kind of tableware generally do not require the performance of welding, even including some pot class enterprise. But the vast majority of products all need raw materials welding performance is good, like the 2 kinds of tableware, thermos flask, steel pipes, water heaters, water dispensers, etc.
2) Corrosion resistance The vast majority of stainless steel products for corrosion resistant performance is good, like a, 2 kinds of tableware, kitchen utensils and appliances, water heaters, water dispensers, etc., some foreign businessmen on corrosion resistance of products also do experiment: in NACL aqueous solution heated to boiling, after a period of time the best solution, wash and drying, weight loss, to determine the degree of corrosion (note: the product polishing, because of the sand cloth or sandpaper containing Fe, will cause the test surface rust spots)
3. Stainless Steel Coil Cold Rolled 304 With Good Quality Images
4. Stainless Steel Coil Cold Rolled 304 With Good Quality Specification
The word "stainless steel" is not merely refers to a pure stainless steel, but said more than one hundred kinds of stainless steel industry, the development of each stainless steel has good performance in their specific applications. The key to the success of the first is to make clear purpose, and then determine the correct material. Related to architectural construction applications usually only six types of steel. They contain 17 ~ 22% chromium, good steel contains nickel. Add molybdenum can further improve the atmospheric corrosion resistance, especially containing chloride atmospheric corrosion resistance. Stainless steel often according to the state of organization can be divided into: martensite steel, ferritic steel, austenitic steel, austenitic (two-phase) - ferrite stainless steel and precipitation hardening stainless steel, etc. In addition, according to ingredients can be divided into: chromium stainless steel, chromium nickel stainless steel and chromium manganese nitrogen stainless steel, etc.
5. Applications of Stainless Steel Coil 304 With Good Quality
1. Kitchenware: tableware, cookware, Stoves…
2. Food packing: storage cans, food containers…
3. Construction: bridge, roofing, wall, decoration, bathroom accessories…
4. Precision instruments: electrical products, aerospace…
5. Others: automotive parts, machine building, chemical processing, farming…
6.FAQ of Stainless Steel Coil 304 With Good Quality
We have organized several common questions for our clients，may help you sincerely:
①How about your company？
A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，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.
②How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
③How is the packaging and delivery?
Standard export packing (Coil: waterproof paper + protective steel ring; Circle: wooden box), or as your requirement and the delivery term is based on the project.
④How long can we receive the product after purchase?
In the purchase of product within 20 working days, We will arrange the factory delivery as soon as possible. The specific time of receiving is related to the state and position of customers. Commonly 20 to 40 working days can be served.
- Q: How do you prevent intergranular corrosion of stainless steel strips?
- To prevent intergranular corrosion of stainless steel strips, several measures can be taken: 1. Use low carbon grades: Intergranular corrosion occurs due to the precipitation of chromium carbides at grain boundaries when stainless steel is exposed to high temperatures for an extended period. By using low carbon grades, such as Type 304L or Type 316L, the carbon content is minimized, reducing the formation of carbides and thus preventing intergranular corrosion. 2. Heat treatment: After welding or other high-temperature processes, stainless steel strips should be properly heat-treated to restore the corrosion resistance. This process, known as solution annealing or sensitization treatment, involves heating the material to a specific temperature range and then rapidly cooling it to dissolve the carbides and prevent their precipitation at grain boundaries. 3. Pickling and passivation: Pickling involves the use of an acid solution to remove any impurities or contaminants from the stainless steel surface, while passivation creates a protective oxide layer on the surface to enhance corrosion resistance. Regular pickling and passivation treatments can help prevent intergranular corrosion by removing any potential corrosion sites and improving the overall surface condition. 4. Avoid exposure to high temperatures: Stainless steel strips should be protected from prolonged exposure to high temperatures, as this can lead to sensitization and subsequent intergranular corrosion. If unavoidable, the use of thermal barriers, such as insulation or coatings, can help minimize the direct contact between the stainless steel and the elevated temperatures. 5. Use corrosion inhibitors: Applying corrosion inhibitors, such as specialized coatings or inhibitors in the working environment, can provide an additional layer of protection against intergranular corrosion. These inhibitors work by forming a protective film on the stainless steel surface, preventing the attack of corrosive agents and reducing the risk of intergranular corrosion. Overall, preventing intergranular corrosion of stainless steel strips involves a combination of material selection, proper heat treatment, surface treatment, and protection measures. By implementing these preventive measures, the risk of intergranular corrosion can be significantly reduced, ensuring the long-term durability and performance of stainless steel strips.
- Q: How are 111 stainless steel strips manufactured?
- The manufacturing process for 111 stainless steel strips encompasses several stages. Initially, raw materials are carefully chosen, typically including iron ore, chromium, nickel, and other alloying elements. These materials are precisely measured and blended in the desired proportions to create the stainless steel alloy. Subsequently, the raw materials are melted in a high-temperature furnace. The resulting molten metal is then poured into a continuous casting machine, which shapes it into long slabs or billets. These slabs are allowed to cool and solidify. Once solidified, the slabs are reheated in a furnace to a specific temperature, rendering them more malleable. They are then passed through a hot rolling mill, where they are reduced in thickness and elongated into long strips. The rolling process is repeated multiple times until the desired thickness and quality are achieved. When the strips reach the desired thickness, they undergo annealing in a heat treatment furnace. Annealing helps alleviate internal stresses and enhance the mechanical properties of the stainless steel. This process involves heating the strips to a specific temperature and gradually cooling them. To improve the surface finish and eliminate imperfections, the strips are subjected to a pickling process. This entails immersing them in an acid solution that removes scale, oxides, and other impurities from the surface. Following pickling, the strips undergo a cold rolling process. This involves passing them through a series of high-pressure rollers, further reducing their thickness and enhancing their surface finish. To attain the desired dimensions and tolerances, the strips are subsequently cut into the required lengths using shearing or slitting machines. Depending on the specific application requirements, they may also undergo additional processes such as edge trimming, edge rounding, or surface polishing. Finally, the finished stainless steel strips undergo a thorough quality inspection, which includes checking for dimensional accuracy, surface defects, and mechanical properties. They are then carefully packaged and prepared for shipment to customers across various industries, such as automotive, construction, appliances, and many more.
- Q: How do you prevent microbiologically influenced corrosion of stainless steel strips?
- Microbiologically influenced corrosion (MIC) is a common problem in various industries, including the corrosion of stainless steel strips. To prevent MIC and maintain the integrity of stainless steel strips, several preventive measures can be implemented: 1. Material Selection: Choose stainless steel grades that are resistant to MIC, such as 316L or higher-grade alloys. These alloys contain higher levels of molybdenum, which enhances their resistance to microbiological corrosion. 2. Proper Surface Finish: Ensure that the stainless steel strips have a smooth and polished surface finish. Rough surfaces provide crevices and pits where microorganisms can thrive and initiate corrosion. Regular cleaning and polishing can help maintain the smoothness of the surface. 3. Regular Cleaning and Maintenance: Regularly clean and sanitize the stainless steel strips to remove any biofilms or organic matter that can harbor microorganisms. Use industry-approved cleaning agents and techniques to eliminate potential sources of microbial growth. 4. Biocide Treatments: Apply appropriate biocides or antimicrobial coatings to the stainless steel strips. These treatments can inhibit the growth of microorganisms and prevent the initiation of corrosion. However, it is essential to select biocides that are compatible with stainless steel to avoid any adverse reactions. 5. Environmental Control: Maintain proper environmental conditions by controlling temperature, humidity, and the presence of corrosive chemicals. Microorganisms thrive in certain conditions, and by controlling these factors, the growth of microbes can be minimized. 6. Cathodic Protection: Implement cathodic protection techniques, such as impressed current or sacrificial anode systems, to provide an additional layer of protection against corrosion. These techniques can help mitigate the effects of MIC on stainless steel strips. 7. Regular Inspection and Monitoring: Conduct regular inspections to identify any signs of corrosion or microbial growth on stainless steel strips. Implement a monitoring program that includes visual inspections, microbiological testing, and corrosion rate measurements to detect any early signs of MIC and take appropriate actions. By implementing these preventive measures, the risk of microbiologically influenced corrosion on stainless steel strips can be significantly reduced, ensuring their longevity and performance.
- Q: Are stainless steel strips suitable for elevator doors?
- Stainless steel strips, indeed, prove to be a fitting option for elevator doors. This durable and corrosion-resistant material finds extensive use in diverse applications, including elevator doors. Its robustness and ability to withstand wear make it a prime selection for elevator doors that experience frequent usage and constant interaction with passengers. Moreover, stainless steel possesses a sleek and contemporary look that elevates the overall aesthetics of the elevator, imparting a professional and sophisticated aura. All in all, stainless steel strips deliver the requisite durability, functionality, and visual allure demanded by elevator doors.
- Q: Can 111 stainless steel strips be formed into wire for various applications?
- Yes, 111 stainless steel strips can be formed into wire for various applications. Stainless steel strips can undergo a process called wire drawing, where they are pulled through a series of dies to reduce their diameter and form them into wire. This wire can then be used for a wide range of applications such as electrical wiring, springs, cables, and more.
- Q: What are the benefits of using 111 stainless steel strips over other materials?
- Using 111 stainless steel strips instead of other materials provides numerous advantages. To begin with, 111 stainless steel exhibits exceptional resistance to corrosion and oxidation, making it suitable for utilization in different environments, including those with high humidity or exposure to chemicals. This resistance guarantees that the stainless steel strips have a longer lifespan compared to alternative materials, thereby reducing the frequency of replacements and resulting in long-term cost savings. Furthermore, 111 stainless steel strips possess remarkable strength and durability. They can bear heavy loads and are highly resistant to wear and tear. These properties make them ideal for applications necessitating high strength and reliability, such as the construction, automotive, and industrial sectors. Moreover, 111 stainless steel strips offer superior heat resistance. They can withstand elevated temperatures without compromising their structural integrity, rendering them appropriate for utilization in extreme temperature conditions, such as in furnaces or industrial ovens. Additionally, stainless steel is a hygienic material that is easy to clean and maintain. It lacks pores, preventing the growth of bacteria, and is thus suitable for applications in the food and medical industries. Moreover, it is resistant to staining, ensuring a clean and visually appealing appearance. Lastly, 111 stainless steel strips are versatile and can be easily fabricated into various shapes and sizes, allowing for customization to meet specific project requirements. This adaptability makes them suitable for a wide array of applications, ranging from architectural and decorative purposes to structural components. In conclusion, the benefits of utilizing 111 stainless steel strips encompass corrosion resistance, strength and durability, heat resistance, hygiene, and versatility. These properties establish them as a preferred choice in numerous industries, guaranteeing longevity, reliability, and cost-effectiveness.
- Q: How do you determine the grade of a stainless steel strip?
- Various methods can be employed to ascertain the grade of a stainless steel strip. These include visual inspection, chemical analysis, and mechanical testing. To assess the grade, visual inspection entails scrutinizing the surface for any apparent signs of corrosion, discoloration, or pitting. This examination offers some insight into the material's quality and potential grade. Chemical analysis, employing techniques such as spectroscopy or X-ray fluorescence (XRF), represents another method to determine the grade of stainless steel. This analysis involves scrutinizing the material's chemical composition to identify the presence and relative quantities of different elements. Each stainless steel grade adheres to specific composition requirements, thus chemical analysis aids in identifying the grade based on its elemental makeup. Mechanical testing is also commonly employed to determine the grade of stainless steel. This involves subjecting the material to various mechanical tests, such as tensile strength, hardness, or impact resistance. The results of these assessments can then be compared to the standards and specifications of different stainless steel grades to determine the closest match. In some instances, it may be necessary to employ a combination of these methods to accurately determine the grade of a stainless steel strip. It is crucial to consult pertinent industry standards, such as those provided by organizations like the American Society for Testing and Materials (ASTM) or International Organization for Standardization (ISO), when conducting these assessments.
- Q: How are stainless steel strips made?
- Stainless steel strips are typically made through a process called cold rolling. This involves passing a large coil of stainless steel through a series of rollers that gradually reduce its thickness. The steel strip is then annealed, which involves heating it and slowly cooling it to enhance its strength and corrosion resistance. Finally, the strip is cut into desired lengths and finishes, ready to be used in various applications such as automotive, construction, or manufacturing industries.
- Q: Are stainless steel strips suitable for oil and gas applications?
- Yes, stainless steel strips are suitable for oil and gas applications. They possess excellent corrosion resistance, high strength, and durability, making them ideal for withstanding harsh environments and corrosive fluids commonly encountered in the oil and gas industry. Additionally, stainless steel strips can withstand high temperatures and pressures, ensuring reliable performance in critical applications.
- Q: What are the standard dimensions for stainless steel strips?
- Different applications and industry requirements can cause variations in the standard dimensions of stainless steel strips. Nevertheless, typical dimensions encompass thicknesses ranging from 0.1mm to 3.0mm, widths spanning 10mm to 600mm, and lengths extending from 1000mm to 6000mm. These dimensions find frequent usage across diverse sectors including automotive, construction, and manufacturing. It is crucial to acknowledge that customization of these dimensions can occur to suit the particular demands of a project or application.
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Stainless Steel Coil Cold Rolled AISI 304 With Good Quality
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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