Stainless Steel Coil/Sheet 304 Cold Rolled BA/NO.1
- Ref Price:
-
- Loading Port:
- Ningbo
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 20000 m.t./month
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Chemical composition: | |||||||
C | Si | Mn | Cr | Ni | S | P | |
≤0.07 | ≤1.0 | ≤2.0 | 18.0~20.0 | 8.0~11.0 | ≤0.03 | ≤0.035 | |
mechanical properties: | |||||||
Tensile strength σb (MPa) | Conditions yield strength 0.2 sigma (MPa) | Elongation δ5 (%) | Section shrinkage (%) | Hardness | |||
520 | 205 | 40 | 60 | ≤1 | |||
Standard: | AISI,ASTM,BS,DIN,GB,JIS | Grade: | 304 | Thickness: | 0.3-3.0mm |
Place of Origin: | China Mainland | Brand Name: | CNBM | Model Number: | 304 |
Type: | Steel Coil | Technique: | Cold Rolled | Surface Treatment: | 2B, BA |
Application: | Medical instruments, building, chemical food industry agriculture | Width: | 500-2000mm | Length: | Coil |
finish: | 2B, BA | item: | 304 cold rolled stainless steel coil | density: | 7.93 |
Hot Rolled Stainless Steel Coil 304 Annealing and Pickling No.1 Finish
Stainless steel is a production which not easy rust,acid resistance and corrosion resistance,so it is widely
used in light industry,heavy industry,daily necessities and the decoration industry.
Hot Rolled Stainless Steel Coil 304 Specifications
1.surface:NO.1
2.standard:JIS, AISI, GB
3.width: 0.55m, 0.65m, 1.0m, 1.22m, 1.5m, 2m or requirement
Hot Rolled Stainless Steel Coil 304 Chemical Composition:
(%):C=0.07, Mn=2.00, P=0.045, S=0.030, Si=0.075, Cr=17.5-19.5, Ni=8.0-10.5, N=0.10
Hot Rolled Stainless Steel Coil 304 Physical Properties
Tensile strength σb (MPa) ≥ 520
the conditions yield strength σ0.2 (MPa) ≥ 205,
elongation δ5 (%) ≥ 40
Reduction of ψ (%) ≥ 50,
hardness: ≤ 187
HB; ≤ 90
HRB; ≤ 200H
- Q:What is the corrosion resistance of stainless steel strips in saltwater?
- Stainless steel strips have excellent corrosion resistance in saltwater environments. The high chromium content in stainless steel forms a protective layer of chromium oxide on the surface, which acts as a barrier against corrosion and prevents the metal from reacting with saltwater. This makes stainless steel strips highly resistant to rust and corrosion caused by saltwater exposure. Additionally, stainless steel is also resistant to pitting corrosion, which is a common form of corrosion in saltwater environments. Therefore, stainless steel strips are widely used in marine applications, such as shipbuilding and offshore structures, where they are exposed to saltwater conditions.
- Q:Can stainless steel strips be used in the power generation industry?
- Yes, stainless steel strips can be used in the power generation industry. Stainless steel has excellent corrosion resistance, high strength, and heat resistance, making it suitable for various applications in this industry, including turbine blades, heat exchangers, and condensers. Its durability and resistance to oxidation make it an ideal choice for components that are exposed to high temperatures and corrosive environments in power plants.
- Q:What are the common thickness tolerances for stainless steel strips?
- The common thickness tolerances for stainless steel strips can vary depending on the specific requirements and industry standards. However, typical tolerance ranges for stainless steel strips are generally around +/- 0.005 to 0.010 inches or +/- 0.127 to 0.254 millimeters.
- Q:Are 111 stainless steel strips suitable for water treatment facilities?
- Water treatment facilities can benefit from the use of 111 stainless steel strips. This type of stainless steel, also referred to as AISI 444, is highly resistant to corrosion, particularly in chloride environments. It is also capable of withstanding both organic and inorganic acids, making it ideal for managing different chemicals and water treatment procedures. Furthermore, stainless steel strips are simple to clean and maintain, ensuring hygienic conditions within water treatment facilities. Overall, 111 stainless steel strips are a suitable option for these facilities.
- Q:What are the common surface finishes for stainless steel strips?
- Common surface finishes for stainless steel strips include: 1. Mill Finish: This is the basic finish that is achieved after the stainless steel strip has been hot or cold rolled. It has a dull, non-reflective appearance. 2. Brushed Finish: This finish is created by brushing the stainless steel strip with abrasive materials, resulting in a textured appearance. It helps to hide surface imperfections and gives the strip a satin-like finish. 3. Polished Finish: The stainless steel strip is mechanically polished to create a smooth, reflective surface. This finish is commonly used for decorative purposes and is available in various levels of polish, such as mirror polish or satin polish. 4. Embossed Finish: In this finish, the stainless steel strip is passed through embossing rollers that create raised or sunken patterns on the surface. It adds texture and visual interest to the strip. 5. Patterned Finish: Stainless steel strips can be patterned using various techniques, such as etching or laser engraving. This creates decorative patterns or designs on the surface, giving the strip a unique and distinctive look. 6. Coated Finish: Stainless steel strips can be coated with a thin layer of another material, such as a polymer or a metal, to enhance its appearance or provide additional protection against corrosion. These are some of the common surface finishes for stainless steel strips, each offering different aesthetics and functionality to suit various applications.
- Q:How are 111 stainless steel strips manufactured?
- 111 stainless steel strips are manufactured through a series of processes including melting, casting, rolling, annealing, pickling, and slitting. Initially, stainless steel is melted in a furnace and then cast into large slabs. These slabs undergo hot rolling, where they are passed through multiple sets of rollers to reduce their thickness and achieve the desired width. Subsequently, the strips are annealed to relieve stress and improve ductility. After annealing, the strips are pickled to remove any oxides or impurities on the surface. Finally, the pickled strips are slit into individual strips of the desired width using specialized machinery.
- Q:What are the common methods of cutting stainless steel strips?
- Various techniques are employed to cut stainless steel strips. 1. Shearing: A sharp blade is utilized to cut through the steel strip. This method is commonly employed for thinner strips, delivering a clean and precise cut. Shearing machines or hydraulic shears are commonly utilized in this process. 2. Laser Cutting: A focused laser beam is employed to precisely cut the stainless steel strip. This technique is suitable for both thin and thick strips, allowing for intricate designs and shapes to be achieved. Laser cutting machines are often computer-controlled, ensuring accuracy and repeatability. 3. Plasma Cutting: This method involves using a high-temperature plasma arc to melt through the metal and create a cut. It is commonly used to cut stainless steel strips of various thicknesses. Plasma cutting machines offer versatility in cutting capabilities. 4. Water Jet Cutting: A high-pressure jet of water mixed with an abrasive material is used to cut through the stainless steel strip. This technique is suitable for different thicknesses and produces precise cuts without heat-affected zones. Water jet cutting machines are often computer-controlled, making them ideal for complex shapes and designs. 5. Abrasive Cutting: Abrasive discs or wheels are employed to grind through the stainless steel strip. This technique is commonly used for thicker strips and can be performed manually or with the assistance of power tools like angle grinders. When selecting the appropriate cutting method, it is crucial to consider the specific requirements of the project, including the thickness and design of the stainless steel strip. Furthermore, safety precautions and appropriate equipment should always be utilized to ensure a successful and safe outcome.
- Q:What are the recommended cleaning and maintenance practices for 111 stainless steel strips?
- The recommended cleaning and maintenance practices for 111 stainless steel strips include regular wiping with a mild detergent solution and a soft cloth to remove any dirt or grime. Avoid using abrasive cleaners or scrubbers as they can scratch the surface. Additionally, it is important to dry the strips thoroughly after cleaning to prevent water spots or rusting. For maintenance, periodic polishing with a stainless steel cleaner can help maintain the shine and prevent oxidation.
- Q:What are the common uses of stainless steel strips in the aerospace fastener industry?
- Due to their exceptional properties, stainless steel strips find widespread use in the aerospace fastener industry. Fasteners, such as bolts, screws, and rivets, are commonly manufactured using stainless steel strips, fulfilling a crucial role in securing aircraft components and ensuring the aircraft's structural integrity and safety. The aerospace industry favors stainless steel strips for several reasons. These strips possess a high strength-to-weight ratio, corrosion resistance, and the ability to withstand extreme temperatures. Consequently, they are well-suited for fasteners exposed to challenging environments like high altitudes, extreme temperatures, and corrosive substances. Stainless steel strips also serve as essential materials for spring clips and retaining rings in the aerospace fastener industry. These components are vital for securing different parts of an aircraft, including panels, wires, and hoses. The flexibility and durability of stainless steel strips make them ideal for these applications, as they can endure repeated stress while retaining their shape and strength over time. Additionally, stainless steel strips play a role in producing shims and spacers in the aerospace fastener industry. Shims, thin strips inserted between surfaces to fill gaps or ensure precise alignment, and spacers, used to maintain specific component distances, benefit from the excellent dimensional stability and resistance to deformation offered by stainless steel strips. These qualities are crucial for applications where precision and reliability are paramount. To summarize, stainless steel strips have extensive applications in the aerospace fastener industry. Their high strength, corrosion resistance, ability to withstand extreme temperatures, and dimensional stability make them indispensable in manufacturing fasteners, spring clips, retaining rings, shims, and spacers. These components play a vital role in maintaining the structural integrity and safety of aircraft, establishing stainless steel strips as a crucial material in the aerospace industry.
- Q:How do you prevent stainless steel strips from rusting?
- To prevent stainless steel strips from rusting, there are several measures you can take: 1. Regular cleaning: Stainless steel should be cleaned regularly with mild soap or detergent and warm water. This helps remove any dirt, grime, or contaminants that can promote corrosion. 2. Avoid abrasive cleaners: Harsh or abrasive cleaners can scratch the surface of stainless steel, creating micro-abrasions where rust can start. Stick to non-abrasive cleaners and soft cloths or sponges for cleaning. 3. Dry thoroughly: After cleaning, make sure to dry the stainless steel strips completely. Moisture left on the surface can lead to rust formation. Use a clean, dry cloth or towel to remove any remaining moisture. 4. Remove rust spots promptly: If you notice any rust spots forming on the stainless steel strips, it's crucial to remove them as soon as possible. Use a stainless steel cleaner or a mixture of baking soda and water to gently scrub away the rust. Rinse thoroughly and dry the area to prevent further corrosion. 5. Apply a protective coating: There are various protective coatings available specifically designed for stainless steel. These coatings create a barrier between the metal and the environment, preventing rust formation. Follow the manufacturer's instructions for application and reapplication. 6. Avoid contact with corrosive substances: Stainless steel should be kept away from corrosive substances such as acids, bleach, or saltwater. If contact occurs, immediately rinse the affected area with plenty of clean water and dry it thoroughly. 7. Store in a dry environment: When not in use, it's essential to store stainless steel strips in a dry environment. Moisture and humidity can contribute to rust formation. Consider using desiccant packs or silica gel to absorb any moisture in the storage area. By following these preventative measures, you can significantly reduce the chances of your stainless steel strips rusting and ensure their longevity and appearance for years to come.
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Stainless Steel Coil/Sheet 304 Cold Rolled BA/NO.1
- Ref Price:
-
- Loading Port:
- Ningbo
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 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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