Hot Rolled Stailess Steel Coil 300 Serious
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Hot Rolled Stailess Steel Coil 300 Serious
1.Structure of Hot Rolled Stailess Steel Coil 300 Serious
Hot Rolled Stailess Steel Coil 300 Serious is one of the raw material of the cold rolled stainless steel strip, 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 Hot Rolled Stailess Steel Coil 300 Serious
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) Polishing performance In today's society stainless steel products in production after polishing the process commonly, when only a small number of products such as water heaters, water dispenser tank don't need polishing. So this will require materials polishing performance is very good. The factors influencing polishing performance mainly include the following: 1) raw material surface defects. Such as scratch, pitting, pickling, etc. (2) raw material problem. Hardness is too low, easy when polishing cast light (BQ), and the hardness is too low, the surface easily when deep drawing appear orange peel phenomenon, which affects the BQ. Relatively high hardness of BQ sex is good. (3) after deep drawing products, great deformation area surface will be a small black spots and RIDGING, thus affecting the BQ.
4) Heat resistant performance Heat resistant performance refers to the high temperature stainless steel can still maintain its excellent physical and mechanical properties. Carbon: the influence of carbon in austenitic stainless steel is formed strong and steady. Set the austenitic austenitic area and expand elements. Carbon formation of austenite is about 30 times that of the nickel, the ability of carbon is a kind of gap elements, through the solid solution strengthening can significantly increase the strength of the austenitic stainless steel. Carbon austenitic stainless steel can be improved in high concentration chloride (e.g., 42% MgCl2 boiling solution) in the performance of the resistance to stress corrosion. But, in the austenitic stainless steel, carbon is often seen as the harmful elements, this is mainly due to the corrosion of stainless steel used in some conditions, such as welding or heating by 450 ~ 850 ℃), carbon steel with chromium in forming high chromium Cr23C6 type carbon compounds which can lead to local chromium depletion, make steel corrosion resistance especially resistant to intergranular corrosion performance degradation. So. Since the 60 s of the development of new cr-ni austenitic stainless steel is mostly carbon content less than 0.03% or 0.02% of the ultra-low carbon type
5) Corrosion resistance When the atomic number of no less than 12.5% chromium content in steel, can make the steel electrode potential mutations, the negative potential to the positive electrode potential. To prevent electrochemical corrosion.
3. Hot Rolled Stailess Steel Coil 300 Serious Images
4. Hot Rolled Stailess Steel Coil 300 Serious 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.
1) Ferritic stainless steel Chromium containing 15% ~ 30%. Its corrosion resistance, toughness and weldability with chromium content increases with the increase of chloride stress corrosion resistance is superior to other types of stainless steel, fall into this category of Crl7, Cr17Mo2Ti, Cr25, Cr25Mo3Ti, Cr28, etc. Ferritic stainless steel because of the high chromium content, corrosion resistance and oxidation resistance are relatively good, but the mechanical properties and process performance is poorer, more used to stress less acid structure and steel used as antioxidant. This kind of steel to withstand atmosphere, nitric acid and corrosion of the brine solution, and has good high temperature oxidation resistance, low thermal expansion coefficient, etc, used in nitric acid and food factory equipment, also can make work under high temperature parts, such as gas turbine parts, etc.
2) Austenitic stainless steel The title Chromium is more than 18%, still contain about 8% of the nickel and small amounts of molybdenum, titanium, nitrogen and other elements. Good comprehensive performance, corrosion resistant to a variety of media. Number of austenitic stainless steel is commonly used one cr18ni9, 0 cr19ni9, etc. In the Wc < 0.08% 0 cr19ni9 steel, steel grade is marked as "0". This class contains large amounts of Ni and Cr in steel, make steel in austenitic state at room temperature. This kind of steel has good plasticity and toughness, weldability and corrosion resistance and non-magnetic or weak magnetic, the corrosion resistance in oxidizing and reducing medium are good, used to make acid equipment, such as corrosion resistant containers and equipment lining, pipelines, nitric acid resistant equipment parts, etc., also can be used as the main body of watches and clocks jewelry stainless steel material. Austenitic stainless steel with solid solution treatment, the steel heating to 1050 ~ 1150 ℃, then water-cooled or air-cooled, for single-phase austenitic organization.
3) Austenitic, ferritic duplex stainless steel The advantages of both austenitic and ferritic stainless steel, and has the superplasticity. Austenite and ferrite The title Each accounts for about half of the stainless steel. In the case of contain low C, Cr content was 18% ~ 18%, Ni content at 3% ~ 3%. Some steel containing Mo, Cu, Si, Nb, Ti, N and other alloying elements. This kind of steel both austenite and ferrite stainless steel, the characteristics of compared with ferrite, plasticity and toughness is higher, no room temperature brittleness, intergranular corrosion resistance and welding performance were significantly increased, while maintaining a ferritic stainless steel of 475 ℃ brittleness and high thermal conductivity, has the characteristics of superplasticity. Compared with austenitic stainless steel, high strength and resistance to intergranular corrosion and resistance to chloride stress corrosion is improved obviously. Duplex stainless steel has excellent resistance to pitting corrosion performance, is also a kind of nickel and stainless steel.
4) Precipitation hardening stainless steel For austenitic or martensite structure matrix, and the number of precipitation hardening stainless steel commonly used such as 04 cr13ni8mo2al. It can pass the precipitation hardening (also known as the age hardening) dealing with the hard (strong) of stainless steel.
5) Precipitation hardening stainless steel For austenitic or martensite structure matrix, and the number of precipitation hardening stainless steel commonly used such as 04 cr13ni8mo2al. It can pass the precipitation hardening (also known as the age hardening) dealing with the hard (strong) of stainless steel.
5.FAQ of Hot Rolled Stailess Steel Coil 300 Serious
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,
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.
③What applications your products can have?
Kitchenware: tableware, cookware, Stoves…
Food packing: storage cans, food containers…
Construction: bridge, roofing, wall, decoration, bathroom accessories…
Precision instruments: electrical products, aerospace…
Others: automotive parts, machine building, chemical processing, farming…
- Q:What is the formability of stainless steel strips?
- Stainless steel strips are widely regarded as having good formability. Their excellent mechanical properties enable them to be shaped and molded into intricate geometries. This is due to their high ductility and low work hardening rate. Stainless steel strips can be easily bent, stretched, and molded into various shapes without any risk of cracking or breaking. However, it is important to note that the formability of stainless steel strips may vary depending on factors such as the specific grade and thickness of the material, as well as the processing conditions and techniques employed. When assessing the formability of stainless steel strips, it is crucial to take into account factors like composition, grain structure, and surface condition. In summary, stainless steel strips are often the preferred choice in industries like automotive, construction, and manufacturing, where good formability is of utmost importance.
- Q:Can stainless steel strips be used in oil and gas applications?
- Indeed, oil and gas applications can make effective use of stainless steel strips. Given its exceptional resistance to corrosion, stainless steel proves itself as an optimal choice for environments that involve exposure to corrosive substances like oil and gas. Moreover, stainless steel possesses remarkable strength and durability, both of which are crucial for enduring the high pressure and extreme temperatures typically encountered in oil and gas operations. In this regard, stainless steel strips find utility in various components including pipes, valves, fittings, and tanks, ensuring dependable functionality and longevity throughout the entirety of oil and gas operations.
- Q:Can stainless steel strips be used in the oil refining industry?
- Yes, stainless steel strips can be used in the oil refining industry. Stainless steel is highly resistant to corrosion, making it an ideal material for handling and storing various chemicals and substances used in the oil refining process. Additionally, stainless steel has excellent temperature resistance, which is important in an industry where high temperatures are often encountered. Stainless steel strips are commonly used in equipment such as heat exchangers, distillation columns, and storage tanks, where they provide strength, durability, and resistance to corrosion. Overall, stainless steel strips are a reliable and cost-effective choice for the oil refining industry.
- Q:What are the differences between hot-rolled and cold-rolled 111 stainless steel strips?
- Hot-rolled and cold-rolled 111 stainless steel strips differ primarily in the manufacturing process and resulting characteristics. Hot-rolled strips are formed at high temperatures, making them more malleable and less brittle. They have a rougher surface finish and may exhibit a scaled appearance. On the other hand, cold-rolled strips are processed at room temperature, resulting in a smoother finish with tighter tolerances. They are generally stronger and have improved dimensional accuracy. Overall, the choice between hot-rolled and cold-rolled 111 stainless steel strips depends on specific application requirements.
- Q:Are stainless steel strips non-magnetic?
- Stainless steel strips are typically not magnetic, although the magnetic characteristics of stainless steel can differ depending on the specific alloy and composition. The commonly used stainless steel types, like 304 and 316, do not possess magnetic properties when in their annealed condition, meaning they do not attract or retain a magnetic charge. This quality makes them suitable for various applications where magnetism is unwanted. However, certain stainless steel alloys, such as ferritic grades, may display magnetic properties due to their higher iron content. Therefore, it is essential to take into account the specific type of stainless steel when assessing its magnetic attributes.
- Q:How do you prevent discoloration of stainless steel strips?
- To prevent discoloration of stainless steel strips, there are several steps you can take: 1. Regular cleaning: Stainless steel should be cleaned regularly to remove any dirt, grime, or other contaminants that can lead to discoloration. Use a mild detergent or stainless steel cleaner and a soft cloth or sponge to clean the strips. Avoid using abrasive materials or harsh chemicals that can scratch or damage the surface. 2. Proper drying: After cleaning, make sure to thoroughly dry the stainless steel strips to prevent water spots or mineral deposits from forming. Use a clean, lint-free cloth to dry the surface, ensuring no moisture remains. 3. Avoid exposure to harsh chemicals: Stainless steel is resistant to many chemicals, but prolonged exposure to certain substances can cause discoloration. Avoid contact with bleach, chlorides, acids, and other corrosive chemicals as much as possible. If accidental exposure occurs, rinse the strips immediately with clean water and dry thoroughly. 4. Protective coating: Applying a protective coating or finish can help prevent discoloration and enhance the appearance of stainless steel strips. There are various types of coatings available, such as clear lacquer, polyurethane, or wax. Follow the manufacturer's instructions for application and reapplication as needed. 5. Avoid high temperatures: Excessive heat can cause stainless steel to discolor or even warp. Avoid placing hot pans, pots, or other objects directly on the stainless steel strips. Use trivets, pot holders, or heat-resistant mats to protect the surface. 6. Regular maintenance: In addition to regular cleaning, periodic maintenance can help prevent discoloration. Inspect the strips for any signs of damage or corrosion, and address any issues promptly. If discoloration does occur, there are stainless steel cleaners and polishes available that can help restore the original appearance. By following these preventive measures and maintaining proper care, you can significantly reduce the risk of discoloration and keep your stainless steel strips looking clean and vibrant for longer periods.
- Q:Are stainless steel strips suitable for laser cutting?
- Yes, stainless steel strips are suitable for laser cutting. Laser cutting is a highly precise and efficient method of cutting various materials, including stainless steel. The high energy density of the laser beam allows for a clean and accurate cut, without causing any distortion or damage to the metal. Stainless steel, known for its corrosion resistance and durability, is a popular material choice for many industries, including automotive, aerospace, and construction. Laser cutting offers several advantages for stainless steel strips, such as reducing material waste, maintaining tight tolerances, and enabling intricate designs. Additionally, laser cutting provides a smooth and burr-free edge finish, enhancing the aesthetic appeal of the stainless steel strips.
- Q:Can stainless steel strips be used in the aerospace fasteners?
- Yes, stainless steel strips can be used in aerospace fasteners. Stainless steel is a commonly used material in the aerospace industry due to its excellent corrosion resistance, high strength-to-weight ratio, and ability to withstand high temperatures. Stainless steel strips can be formed into various shapes and sizes to create fasteners such as screws, bolts, nuts, and rivets. These fasteners are crucial for joining different components of an aircraft and ensuring structural integrity and safety. Additionally, stainless steel's non-magnetic properties make it suitable for applications where magnetic interference is a concern, such as in avionics and electronic systems. Overall, stainless steel strips are a reliable and widely used material for aerospace fasteners.
- Q:Can stainless steel strips be used in the automotive exhaust system?
- Yes, stainless steel strips can be used in the automotive exhaust system. Stainless steel is a durable and corrosion-resistant material, making it suitable for withstanding the high temperatures and harsh conditions of the exhaust system. It provides excellent resistance to rust and corrosion, ensuring longevity and reliability in automotive applications.
- Q:What are the common surface finishes for stainless steel strips?
- Stainless steel strips can be finished in different ways to achieve various appearances and functions. Here are some commonly used surface finishes: 1. Basic Finish: After being hot or cold rolled, stainless steel strips have a dull and non-reflective appearance, known as the mill finish. 2. Textured Finish: By brushing the stainless steel strip with abrasive materials, a textured appearance is achieved. This brushed finish helps to conceal surface imperfections and gives the strip a satin-like finish. 3. Reflective Finish: The stainless steel strip is mechanically polished, resulting in a smooth and reflective surface. This polished finish is often used for decorative purposes and is available in different levels of polish, such as mirror polish or satin polish. 4. Embossed Finish: To add texture and visual interest, the stainless steel strip is passed through embossing rollers, creating raised or sunken patterns on the surface. 5. Patterned Finish: Various techniques, like etching or laser engraving, can be used to create decorative patterns or designs on the surface of stainless steel strips. This gives the strip a unique and distinctive look. 6. Coated Finish: To enhance appearance or provide extra protection against corrosion, a thin layer of another material, such as a polymer or a metal, can be applied to the stainless steel strip. These finishes cater to different applications, offering a range of aesthetics and functionality.
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Hot Rolled Stailess Steel Coil 300 Serious
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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