Stainless Steel Coils 304 Made In China Good Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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Specification
Standard:
AISI,ASTM
Technique:
Hot Rolled,Cold Rolled
Shape:
Square,Rectangular
Surface Treatment:
Polished
Steel Grade:
200 Series,300 Series,400 Series
Certification:
ISO,SGS
Thickness:
4.0-6.0mm
Length:
1219mm
Net Weight:
20
Products Description for Stainless Steel Coils/Sheets:
Type | Stainless Steel Coil /Cold rolled Steel Coils |
Thinckness | 0.23mm-0.8mm |
Diameter | 115mm-560mm |
Quantity | as customer's requirement |
Finish | 2B,BA,HL,MIRROR,NO.1-NO.4,8K,and so on. |
Standard | ASME, ASTM, EN ,BS,GB,DIN, JIS etc |
Material | 201,202, 301,304,410,430,409 |
Application range | Foodstuff, Gas, metallurgy, biology, electron, chemical, petroleum, boiler, nuclear energy, Medical equipment, fertilizer etc |
Package | Standard export sea-worthy packing |
Delivery time | 7-15 days |
Quality | Primary |
Productivity | 3000-4000 tons/month |
Note | We can produce other standard as the customers’ requirement |
Features of Stainless Steel Coils
(1)Good ductility
(2)Good corrosion resistance
(3)Excellent abrasion resistance and fatigue strength
(4)Good weldability
(5)Oxidation resistant performance
(6)Excellent in high temperature
Packaging & Delivery for Stainless Steel Coils/Sheets:
Packaging Detail Standard export packing or following customer's demand
Delivery Time: Within 30-40 days after deposit or according to the order quantity
Detail picture for Stainless Steel Coils/Sheets
Application of Stainless Steel Coils
(1)Boiler heat exchanger,
(2)Chemical industries,
(3)Hardware fields,
(4)Construction material,
(5)Kitchen utensils,
(6)Building construction,
(7)Medical equipment,
(8)Chemical tank,
(9)Pipe etc
FAQ for Stainless Steel Coils/Sheets:
Q:How to order?
A: Please send us your purchase order by email or fax .or you can ask us to send you a proforma invoice for your order .We need to know the following information for your order.
1) Shipping information-company name, street address, phone number, fax number, destination sea port
2) Product information – Quantity, Specification (steel type, thickness, width, surface finish)
3) Delivery time required
4) Forwarder's contact details if there's any in China
FAQ for Stainless Steel Coils/Sheets:
Q:What are the advantages of your company ?
A: We have many professionals, technical personnel, more competitive prices and best after-dales service than other stainless steel companies.
Q:Can you arrange the shipment ?
A: Sure we can help you with the shipment. We have forwarders who have cooperated with us for many years.
- Q: How do stainless steel sheets differ from other types of metal sheets?
- Stainless steel sheets differ from other types of metal sheets primarily due to their unique composition, which includes a high percentage of chromium. This gives stainless steel sheets superior resistance to corrosion, staining, and rusting, making them highly durable and ideal for various applications in industries such as construction, automotive, and kitchenware. Additionally, stainless steel sheets are known for their aesthetic appeal, as they have a smooth, reflective surface finish.
- Q: How do you prevent intergranular corrosion on stainless steel sheets?
- Intergranular corrosion is a type of corrosion that occurs along the grain boundaries of stainless steel, leading to structural damage and reduced strength. To prevent intergranular corrosion on stainless steel sheets, several measures can be taken: 1. Material Selection: Choosing the right grade of stainless steel is crucial in preventing intergranular corrosion. Grades with low carbon content, such as 304L or 316L, are less prone to this type of corrosion due to their reduced susceptibility to sensitization. 2. Heat Treatment: Stainless steel sheets can be heat treated to remove carbide precipitation, a common cause of intergranular corrosion. The process, known as solution annealing or sensitization heat treatment, involves heating the material to a specific temperature range and then rapidly cooling it. This treatment ensures the formation of a consistent and corrosion-resistant microstructure. 3. Passivation: Passivation is a chemical process that removes contaminants and forms a protective oxide layer on the surface of stainless steel sheets. This layer acts as a barrier against corrosion and prevents intergranular attack. Passivation is typically done using nitric acid or citric acid solutions. 4. Welding Techniques: When welding stainless steel sheets, it is important to use proper welding techniques to minimize the risk of intergranular corrosion. This includes using low heat input, avoiding excessive heat build-up, and employing filler materials with low carbon content to prevent sensitization. 5. Avoiding Contamination: Stainless steel sheets should be protected from contamination by other metals, especially those with higher galvanic potentials. Contact with carbon steel, for example, can result in galvanic corrosion and promote intergranular attack. Therefore, it is essential to separate stainless steel sheets from other metals in storage and during fabrication. 6. Regular Cleaning and Maintenance: Regular cleaning and maintenance of stainless steel sheets are essential to prevent the accumulation of corrosive substances or contaminants on the surface. Proper cleaning methods and non-abrasive cleaners should be used to avoid scratching the stainless steel, which can create sites for corrosion initiation. By implementing these preventive measures, intergranular corrosion can be significantly minimized, ensuring the longevity and performance of stainless steel sheets.
- Q: 304 stainless steel plate surface quality inspection method which has several?
- Attachment of cold processing such as workpiece surface lubrication oil, must be fully skimmed in trichloroethylene degreasing agent, caustic soda solution and then with warm water washing, and then heat treatment. Stainless steel plate, if the surface of debris, especially organic matter or ash attached to the workpiece, heating, of course, will have an impact on the oxide skin. Stainless steel plate furnace atmosphere difference, furnace atmosphere in each part of the different, the formation of oxide skin will change, and this is also caused by uneven acid cleaning reasons. Therefore, when heating, the atmosphere in each part of the furnace must be the same. For this reason, the cycle of atmosphere must also be taken into account. Also, a heating workpiece with bench brick, asbestos, if contain water, when heated, water will evaporate, differences in direct contact with the water vapor and other parts of the atmosphere will produce, the formation of oxide of course is different. Therefore, objects that are in direct contact with the heating workpiece must be thoroughly dried before use. However, after drying, such as placed at room temperature, moisture in high conditions, the water will still condense on the surface of the workpiece. So, it's better to dry before use. If the local processing of stainless steel plate before heat treatment with oxide remaining, after heating with oxide remaining parts and parts without oxide, differences in composition and thickness of oxide skin will appear on the surface after pickling caused by uneven, so we should not only pay attention to the final heat treatment, but also to the full note that the middle heat treatment and pickling. There is a difference between the surface of stainless steel and the place where it is not touched.
- Q: Are stainless steel sheets resistant to saltwater?
- Yes, stainless steel sheets are resistant to saltwater. Stainless steel is known for its corrosion resistance, and it is particularly well-suited for environments with high levels of saltwater exposure. The chromium content in stainless steel forms a protective layer on the surface of the metal, preventing rust and corrosion. This makes stainless steel sheets an excellent choice for applications in marine environments, such as boat construction, offshore structures, and coastal infrastructure. Additionally, stainless steel's resistance to saltwater also makes it suitable for other applications like coastal architecture, kitchen equipment, and medical instruments.
- Q: Are stainless steel sheets suitable for water storage tanks?
- Yes, stainless steel sheets are suitable for water storage tanks.
- Q: How do you prevent stress corrosion cracking in stainless steel sheets?
- To prevent stress corrosion cracking in stainless steel sheets, several measures can be implemented. 1. Material selection: It is crucial to choose the appropriate grade of stainless steel that is resistant to stress corrosion cracking. Commonly used grades such as 304 and 316 have good resistance, but specialized alloys like duplex stainless steels or high nickel alloys may be required for more aggressive environments. 2. Environmental control: Controlling the environment surrounding the stainless steel sheets can help prevent stress corrosion cracking. This includes avoiding exposure to corrosive agents such as chlorides, sulfides, and acids. Additionally, maintaining proper pH levels and temperature can also minimize the risk of stress corrosion cracking. 3. Proper fabrication and handling: Stainless steel sheets should be fabricated and handled with care to prevent the introduction of stress that can lead to cracking. This includes avoiding unnecessary bending, cold working, or overloading during fabrication. Proper storage and handling techniques should also be followed to prevent surface contamination or damage that may facilitate stress corrosion cracking. 4. Surface protection: Applying protective coatings or passivation treatments can help enhance the corrosion resistance of stainless steel sheets. These treatments create a passive oxide layer on the surface that acts as a barrier against corrosive agents, reducing the risk of stress corrosion cracking. 5. Stress relief heat treatment: Stress relief heat treatment can be performed on stainless steel sheets to remove residual stresses that may have been induced during fabrication. This process involves heating the sheets to a specific temperature and holding it for a certain period, followed by slow cooling. Stress relief heat treatment helps to minimize the risk of stress corrosion cracking by reducing the internal stress levels. 6. Regular inspection and maintenance: Regular inspection of stainless steel sheets is essential to identify any signs of stress corrosion cracking at an early stage. This allows for timely repairs or replacements to prevent further damage. Additionally, proper maintenance practices such as cleaning, removing deposits, and ensuring proper drainage can contribute to the prevention of stress corrosion cracking. By following these preventive measures, the risk of stress corrosion cracking in stainless steel sheets can be significantly reduced, ensuring the durability and integrity of the material in various applications.
- Q: Are stainless steel sheets resistant to heat and high temperatures?
- Yes, stainless steel sheets are highly resistant to heat and high temperatures. Stainless steel is known for its excellent heat resistance properties, allowing it to maintain its strength and structural integrity even at extreme temperatures. This makes stainless steel sheets suitable for a wide range of applications where heat and high temperatures are involved, such as in industrial furnaces, boilers, heat exchangers, and automotive exhaust systems. Stainless steel can withstand temperatures up to 1200 degrees Celsius (2192 degrees Fahrenheit) without losing its structural properties, making it a popular choice in industries that require materials capable of withstanding intense heat. Additionally, stainless steel also exhibits good oxidation resistance, preventing the formation of rust or scale when exposed to high temperatures over prolonged periods. Overall, stainless steel sheets are an excellent choice for applications requiring resistance to heat and high temperatures.
- Q: How do you form stainless steel sheets into different shapes?
- Different shapes can be achieved with stainless steel sheets by employing various processes, including bending, rolling, and welding. The choice of method depends on the desired shape and the thickness of the sheet. To form stainless steel sheets into shapes like cylinders or boxes, bending is commonly used. This involves clamping the sheet between a punch and a die and applying force to create the desired bend. By adjusting the pressure and the distance between the punch and die, the angle and radius of the bend can be controlled. Rolling is another technique used to form stainless steel sheets into curved or cylindrical shapes. This process entails passing the sheet through a series of rollers, which gradually bend the material into the desired shape. The diameter and curvature of the final shape can be altered by changing the spacing and alignment of the rollers. For more complex shapes, welding is often combined with bending or rolling. Multiple stainless steel sheets are joined together using heat and pressure to create the desired form. This enables the creation of intricate shapes, such as cones or irregular geometries. In addition to these methods, specialized equipment like hydraulic presses or hydroforming can be employed to shape stainless steel sheets. These techniques involve applying high pressure or fluid pressure to the sheet, resulting in deformation and the desired shape. It is crucial to note that forming stainless steel sheets necessitates skilled operators and precise machinery to ensure accuracy and quality. Moreover, the properties of the stainless steel, such as thickness and composition, can also impact the feasibility and success of the forming process.
- Q: Can stainless steel sheets be used for architectural columns?
- Yes, stainless steel sheets can be used for architectural columns. Stainless steel is a versatile and durable material that can withstand various weather conditions and provide a modern and sleek aesthetic to architectural designs. It is commonly used in architectural applications, including columns, due to its corrosion resistance, strength, and aesthetic appeal.
- Q: Are stainless steel sheets resistant to acids?
- Acids don't stand a chance against stainless steel sheets. This remarkable material is famous for its ability to resist corrosion, and that includes acids too. You see, stainless steel contains chromium, which forms a protective layer called a passive film. This film acts like a barrier, preventing acids from reacting with the metal. It's like a superhero shield against a wide range of organic and inorganic acids. Of course, the level of resistance can vary depending on the type of stainless steel. Grades such as 304 and 316 are especially tough against acids, which makes them perfect for industries like chemical processing, food processing, and pharmaceuticals. But let's not forget, even though stainless steel sheets can handle acids pretty well, there are some aggressive acids and highly corrosive environments that can still break through their defenses. So, it's crucial to seek advice from experts and choose the right grade of stainless steel for acid-resistant applications.
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Stainless Steel Coils 304 Made In China Good Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 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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