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 are the different types of surface defects in stainless steel strips?
- There are different types of surface defects that can occur in stainless steel strips, which can have an effect on their overall quality, appearance, and performance. Some commonly encountered surface defects in stainless steel strips are as follows: 1. Scratches: These are visible lines or grooves that can be seen on the surface of the strip. They can occur during the manufacturing process, handling, or transportation. Scratches can vary in depth and severity, and if they are deeper, they can potentially impact the corrosion resistance of the stainless steel. 2. Pits: Pitting refers to the formation of small cavities or depressions in localized areas of the strip's surface. Pits can be caused by different factors, such as exposure to corrosive environments, improper cleaning, or manufacturing defects. The presence of pits can compromise the integrity of the stainless steel and make it more susceptible to corrosion. 3. Stains: Stainless steel strips can develop stains or discoloration due to exposure to chemicals, heat, or improper cleaning methods. Stains can range from slight discoloration to more severe, deep stains that are difficult to remove. These defects can affect the appearance of the stainless steel and may also indicate a compromised protective oxide layer. 4. Roll marks: Roll marks are impressions or ridges that appear on the surface of the stainless steel strip during the rolling process. These marks can appear as lines or patterns and are usually caused by uneven pressure or improper alignment of the rolling equipment. Roll marks can impact the aesthetics of the stainless steel and may also affect its mechanical properties. 5. Weld defects: Stainless steel strips that are produced through welding processes can exhibit various types of weld defects, such as weld spatter, incomplete fusion, or excessive penetration. These defects can weaken the joint and reduce the overall strength and corrosion resistance of the stainless steel strip. 6. Surface contaminants: Surface defects in the form of contaminants, such as dirt, oil, grease, or foreign particles, can be present on stainless steel strips. These contaminants can be introduced during manufacturing, handling, or storage, and can have a negative impact on the performance and appearance of the stainless steel. It is important to note that the severity and impact of these surface defects can vary depending on the intended application of the stainless steel strip. Manufacturers implement various quality control measures to minimize these defects and ensure that the stainless steel strips meet the required standards.
- Q: What are the maximum operating temperatures for stainless steel strips?
- The maximum operating temperatures for stainless steel strips vary depending on the specific grade of stainless steel being used. However, in general, most stainless steel strips have a maximum operating temperature range of 1500°F to 1600°F (815°C to 870°C). It is important to note that these temperature limits can vary depending on factors such as the specific alloy composition, surface finish, and the intended application of the stainless steel strips. Therefore, it is always recommended to consult the manufacturer's specifications or seek professional advice to determine the exact maximum operating temperature for a specific grade of stainless steel strips.
- Q: Are stainless steel strips suitable for welding electrodes?
- Indeed, welding electrodes can be made from stainless steel strips. Stainless steel is frequently employed in welding because of its exceptional attributes, including remarkable strength, resistance to corrosion, and ability to withstand high temperatures. Shaping stainless steel strips into electrode forms is a simple task, and they are compatible with various welding methods like shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), and gas metal arc welding (GMAW). Moreover, stainless steel electrodes are renowned for their impressive durability, long lifespan, and exceptional arc stability, rendering them an optimal selection for welding purposes in industries such as construction, automotive, and manufacturing.
- Q: What is the weldability of stainless steel strips?
- The weldability of stainless steel strips is generally considered to be excellent. Stainless steel is known for its ability to be easily welded, providing a strong and reliable bond. However, the specific weldability can vary depending on the grade and thickness of the stainless steel strips, as well as the welding process used. Overall, stainless steel strips are highly weldable and commonly used in various industries for their corrosion resistance and durability.
- Q: How do stainless steel strips resist embrittlement?
- Stainless steel strips resist embrittlement due to their unique composition and structure. The primary factor that contributes to their resistance is the presence of chromium in stainless steel, which forms a thin, protective oxide layer on the surface. This oxide layer acts as a barrier, preventing oxygen and other corrosive agents from reaching the underlying metal. Embrittlement is a phenomenon where a material becomes brittle and prone to cracking or fracture under certain conditions. In stainless steel strips, embrittlement can occur due to various factors such as exposure to high temperatures, hydrogen absorption, or prolonged exposure to corrosive environments. The chromium content in stainless steel enhances its resistance to embrittlement by forming a stable and dense oxide layer. This layer acts as a protective barrier, preventing the diffusion of hydrogen and other embrittling elements into the metal matrix. Hydrogen embrittlement, in particular, is a common concern in many metals, but stainless steel's oxide layer effectively blocks hydrogen atoms from penetrating the material. Furthermore, stainless steel also contains other alloying elements such as nickel and molybdenum, which further enhance its resistance to embrittlement. These elements contribute to the formation of a stable microstructure, reducing the susceptibility to embrittlement. In addition to its chemical composition, stainless steel's grain structure also plays a crucial role in its resistance to embrittlement. Stainless steel strips are typically manufactured using processes that promote a fine and uniform grain structure, which enhances their mechanical properties and reduces the risk of embrittlement. Overall, the combination of a protective oxide layer, alloying elements, and a refined grain structure enables stainless steel strips to resist embrittlement and maintain their mechanical strength even in challenging environments.
- Q: How do stainless steel strips perform in corrosive marine environments?
- Stainless steel strips are highly resistant to corrosion and perform exceptionally well in corrosive marine environments. Due to their unique composition of chromium, nickel, and other alloying elements, stainless steel strips form a protective oxide layer on their surface, which acts as a barrier against corrosive elements such as saltwater, moisture, and atmospheric conditions present in marine environments. This corrosion-resistant property of stainless steel strips makes them ideal for various marine applications such as boat fittings, marine hardware, offshore platforms, and underwater structures. They can withstand the harsh conditions of saltwater, waves, and high humidity, without losing their structural integrity or aesthetic appeal. Furthermore, stainless steel strips offer excellent resistance to pitting and crevice corrosion, which are common types of corrosion encountered in marine environments. This ensures their long-term durability and reliability, even in highly corrosive conditions. Additionally, stainless steel strips are easy to clean and maintain, as they do not require any additional coatings or treatments to protect against corrosion. Regular cleaning with fresh water is typically sufficient to keep them in excellent condition. Overall, stainless steel strips are an excellent choice for corrosive marine environments due to their outstanding corrosion resistance, strength, and longevity. They provide a cost-effective and reliable solution that can withstand the challenges posed by the marine environment, ensuring a long-lasting performance.
- Q: Can stainless steel strips be used in aerospace manufacturing?
- Indeed, aerospace manufacturing can make use of stainless steel strips. Renowned for its robustness and resistance to corrosion, stainless steel emerges as a prime option for diverse aerospace applications. It finds frequent utilization in the assembly of aircraft structures, including fuselage frames, wing components, engine mounts, and landing gear. Moreover, stainless steel strips boast an impressive strength-to-weight ratio, rendering them fitting for endeavors that demand substantial strength and rigidity while minimizing mass. Furthermore, stainless steel demonstrates exceptional endurance in the face of extreme temperatures, all the while exhibiting remarkable resistance to fatigue. These qualities combine to establish stainless steel as a dependable material for aerospace manufacturing.
- Q: How do stainless steel strips perform in high-pressure environments?
- Stainless steel strips are known for their exceptional performance in high-pressure environments. These strips are commonly used in industries such as oil and gas, chemical processing, and power generation, where they are exposed to extreme pressures and temperatures. One of the key advantages of stainless steel strips is their high strength and resistance to deformation. They can withstand the intense pressure exerted on them without distorting or losing their structural integrity. This makes them ideal for applications where there is a need for reliable and durable materials. Moreover, stainless steel strips have excellent corrosion resistance properties, especially when alloyed with elements such as chromium and nickel. This protects them from the harmful effects of high-pressure environments, which often involve exposure to corrosive substances, such as acids or salts. The resistance to corrosion ensures that the strips can maintain their performance and structural strength over time. Another important feature of stainless steel strips is their ability to withstand high temperatures. They have a high melting point and can handle extreme heat without deforming or weakening. This makes them suitable for applications where high temperatures are involved, such as in heat exchangers or boilers. Furthermore, stainless steel strips offer excellent fatigue resistance, which means they can withstand repeated cycles of pressure fluctuations without cracking or failing. This is crucial in high-pressure environments where the material is subjected to constant stress and strain. Overall, stainless steel strips are highly reliable and perform exceptionally well in high-pressure environments. Their strength, corrosion resistance, heat resistance, and fatigue resistance make them a preferred choice for various industries where reliability and performance are critical.
- Q: Can stainless steel strips be used for architectural balustrades?
- Indeed, architectural balustrades can indeed utilize stainless steel strips. Due to its robustness, fortitude, and visual appeal, stainless steel is a sought-after material for balustrades in architectural contexts. By shaping, bending, and welding stainless steel strips, one can fashion elaborate and fashionable balustrade designs. Moreover, stainless steel's resistant nature against corrosion renders it suitable for employment indoors and outdoors alike. The sleek and polished surface of stainless steel strips imparts a contemporary and refined appearance to architectural balustrades, hence why they are frequently favored in modern designs.
- Q: What are the recommended protective measures for transporting 111 stainless steel strips?
- When transporting 111 stainless steel strips, it is essential to take certain protective measures to ensure their safety and prevent any damage. Here are some recommended protective measures: 1. Packaging: Proper packaging is crucial to protect the stainless steel strips during transportation. Each strip should be individually wrapped or sealed to prevent scratching or rubbing against each other. Consider using plastic wrap, foam sheets, or bubble wrap for added protection. 2. Secure the load: Securely fasten the packaged stainless steel strips to prevent movement or shifting during transportation. Use straps, ropes, or other appropriate fastening materials to hold the load in place. 3. Use pallets or crates: If possible, transport the stainless steel strips on pallets or in crates. This helps distribute the weight evenly and provides an additional layer of protection. Ensure that the pallets or crates are in good condition and sturdy enough to support the weight of the strips. 4. Avoid moisture: Stainless steel is prone to corrosion when exposed to moisture. Protect the strips from rain, snow, or any other form of moisture during transit. Use waterproof covers or tarps to shield the strips from environmental elements. 5. Consider temperature control: If the transportation involves extreme temperatures, it is advisable to control the temperature inside the transport vehicle. Stainless steel can expand or contract with temperature fluctuations, potentially causing damage. Maintain a controlled environment to minimize these effects. 6. Handling precautions: During loading and unloading, handle the stainless steel strips with care to prevent any bending, denting, or other forms of damage. Use appropriate lifting equipment and ensure proper training for the personnel involved in handling the strips. 7. Insurance coverage: Consider obtaining insurance coverage for the transportation of the stainless steel strips. This provides financial protection in case of any unforeseen accidents or damages during transit. It is important to consult with transportation experts or professionals experienced in handling stainless steel strips to ensure the best protective measures are implemented. Their expertise can help minimize the risk of damage and ensure the safe transportation of the stainless steel strips.
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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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