Stainless Steel Coil Annealing and Pickling No.1 Finish Hot Rolled

Stainless Steel Coil Annealing and Pickling No.1 Finish Hot Rolled System 1

Stainless Steel Coil Annealing and Pickling No.1 Finish Hot Rolled System 2

Stainless Steel Coil Annealing and Pickling No.1 Finish Hot Rolled

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Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 8000 m.t./month

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Hot / Cold Rolled Stainless Steel Coil

1.	Item	STAINLESS STEEL COIL
2.	Standard	ASTM,AISI,GB,JIS,SUS,EN,DIN,etc.
3.	Material	200 series	300 series	400 series
		201,202	300,301,304,304L,309S,310S,316Ti,316L, 317L,321,329,329LA,329LD	409,410,430,430LX,600,601
4.	Specification	Thickness	0.1mm-200mm
		Width	1000mm-3000mm
		Length	1m-12m
5.	Surface	No.1,No.4,No.5,BA,2B,hair line,embossed,mirror finish,etc
6.	Application	Stainless steel coils s are widely used in: 1:Chemical industry equipment,industrial tanks 2:Medical instruments,tableware,kitchen utensil,kitchen ware. 3:Architectural purpose,milk or food processing facilities. 4:Hospital equipment,interior exterior decoration for building 5:Architectural purposes,escalators,kitchen ware,vehicles. Or they can be made as your requirement.
7.	Package	Standard export package.
8.	Export to	Asia,Africa,Europe,Middle East,South and North America,Oceania,etc
9.	Contact	please feel free to contact CNBM

Q: What is the hardness after heat treatment of stainless steel strips?: The hardness of stainless steel strips can differ after undergoing heat treatment due to various factors, such as the specific grade of stainless steel, the method used for heat treatment, and the desired result. Heat treatment is typically conducted on stainless steel strips to enhance particular characteristics like hardness, strength, and resistance to corrosion. Throughout the heat treatment process, stainless steel strips are commonly heated to a designated temperature and then cooled at a controlled rate. This facilitates a transformation in the microstructure of the steel, resulting in alterations to its mechanical properties. The hardness of the stainless steel strips after heat treatment is usually assessed using hardness testing methods like Rockwell or Vickers. Different heat treatment techniques, including annealing, quenching, tempering, or precipitation hardening, can be utilized to achieve various levels of hardness. For instance, annealing is frequently employed to soften the steel and enhance its malleability, leading to reduced hardness. Conversely, quenching and tempering processes can elevate the hardness of stainless steel strips by creating a martensitic structure. It is important to emphasize that the achieved hardness through heat treatment must always fall within the specified range for the specific grade of stainless steel. The requirements for hardness may fluctuate depending on the intended application and the particular standards or specifications that must be met. To conclude, the hardness of stainless steel strips after heat treatment can vary from relatively low to high, contingent upon the specific heat treatment method employed and the desired outcome. It is crucial to adhere to the appropriate heat treatment procedures and meet the specified hardness requirements to ensure the desired properties are attained.

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 production of medical instruments?: Indeed, medical instruments can be produced using stainless steel strips. The reason behind stainless steel's popularity for medical instruments lies in its exceptional resistance to corrosion, its remarkable strength, and its durability. Additionally, it is effortless to cleanse and sterilize, rendering it suitable for application in sterile surroundings. A multitude of medical instruments, including surgical scissors, forceps, scalpels, and orthopedic implants, can be manufactured using stainless steel strips. The attributes of this material guarantee that the instruments maintain their reliability, safety, and longevity, rendering it a favored choice within the medical sector.

Q: How do you prevent intergranular corrosion of stainless steel strips?: To avoid intergranular corrosion of stainless steel strips, several steps can be taken: 1. Opt for low carbon grades: Intergranular corrosion occurs when chromium carbides precipitate at grain boundaries due to prolonged exposure to high temperatures. By using low carbon grades like Type 304L or Type 316L, the carbon content is minimized, reducing carbide formation and preventing intergranular corrosion. 2. Employ heat treatment: After welding or other high-temperature processes, it is essential to properly heat treat stainless steel strips to restore their corrosion resistance. This process, known as solution annealing or sensitization treatment, involves heating the material to a specific temperature range and rapidly cooling it to dissolve carbides and prevent their precipitation at grain boundaries. 3. Utilize pickling and passivation: Pickling involves the use of acid solution to eliminate impurities or contaminants from the surface of stainless steel, while passivation creates a protective oxide layer that enhances corrosion resistance. Regular pickling and passivation treatments can help prevent intergranular corrosion by eliminating potential corrosion sites and improving overall surface condition. 4. Avoid exposing stainless steel strips to high temperatures: Prolonged exposure to high temperatures can lead to sensitization and subsequent intergranular corrosion. If unavoidable, thermal barriers such as insulation or coatings can be used to minimize direct contact between stainless steel and elevated temperatures. 5. Employ 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 surface of stainless steel, 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, appropriate heat treatment, surface treatment, and protective 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: Are stainless steel strips resistant to nitric acid?: Yes, stainless steel strips are generally resistant to nitric acid due to their high levels of chromium and nickel, which provide corrosion resistance. However, the resistance can vary depending on the grade and concentration of nitric acid, as well as other factors such as temperature and exposure time.

Q: What are the different types of coatings available for stainless steel strips?: There are several different types of coatings available for stainless steel strips, each offering unique benefits and applications. 1. Electroplated Coatings: This type of coating involves applying a thin layer of metal onto the stainless steel strip through an electrochemical process. Common electroplated coatings include chrome, nickel, and zinc, which enhance corrosion resistance and provide a decorative finish. 2. Organic Coatings: Organic coatings are typically paint or powder coatings that are applied to the stainless steel strip. These coatings provide a barrier against corrosion, improve aesthetics, and offer a range of colors and finishes. They can also provide additional protection against chemicals, UV radiation, and abrasion. 3. Physical Vapor Deposition (PVD) Coatings: PVD coatings are deposited onto the stainless steel strip through a vacuum-based process. Common PVD coatings include titanium nitride, titanium carbonitride, and zirconium nitride. These coatings provide excellent wear resistance, enhance hardness, and offer decorative finishes. 4. Chemical Vapor Deposition (CVD) Coatings: CVD coatings involve depositing a thin layer of material onto the stainless steel strip through a chemical reaction. Common CVD coatings include diamond-like carbon (DLC) and titanium nitride. These coatings provide high hardness, low friction, and excellent corrosion resistance. 5. Ceramic Coatings: Ceramic coatings are typically applied through a thermal spray process and provide excellent wear resistance, thermal protection, and corrosion resistance. Common ceramic coatings include aluminum oxide, zirconium oxide, and titanium oxide. 6. Passivation: Passivation is a chemical treatment process that removes impurities from the stainless steel surface and forms a protective oxide layer. This oxide layer improves corrosion resistance and enhances the durability of the stainless steel strip. The choice of coating for stainless steel strips depends on the specific application requirements, such as corrosion resistance, aesthetics, wear resistance, and environmental factors.

Q: Can stainless steel strips be used in HVAC applications?: Yes, stainless steel strips can be used in HVAC (Heating, Ventilation, and Air Conditioning) applications. Stainless steel is a durable and corrosion-resistant material, making it suitable for various components in HVAC systems such as air ducts, heat exchangers, and pipe fittings. It can withstand high temperatures, maintain structural integrity, and resist the effects of moisture and chemicals commonly found in HVAC environments.

Q: How do stainless steel strips perform in the presence of hydrochloric acid?: Stainless steel strips exhibit excellent performance when exposed to hydrochloric acid, thanks to their superior corrosion resistance properties. Unlike most metals that succumb to the corrosive nature of hydrochloric acid, stainless steel possesses a unique composition that renders it impervious to this form of chemical attack. The inclusion of chromium in stainless steel prompts the formation of a protective oxide layer on its surface, effectively preventing the acid from penetrating and causing corrosion. Furthermore, the presence of nickel in stainless steel further bolsters its resistance against acids. Nevertheless, it is crucial to note that the effectiveness of stainless steel in hydrochloric acid can vary based on the grade and specific conditions of exposure. For particularly aggressive acid environments, higher grades of stainless steel, such as 316 or 904L, are often preferred. To ensure the appropriate selection of stainless steel grade for specific hydrochloric acid applications, it is advisable to seek advice from material experts or consult corrosion resistance charts.

Q: What are the common thicknesses available for stainless steel strips?: The specific requirements and applications determine the varying common thicknesses of stainless steel strips. In the market, one can commonly find thicknesses like 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, and 3.0mm. These thicknesses serve various purposes including the production of appliance components, automotive parts, construction materials, and numerous industrial applications. One must note that these thicknesses can differ among suppliers and manufacturers. Hence, it is advisable to verify the availability of the desired thickness with the specific supplier.

Q: Can 111 stainless steel strips be used in high-temperature applications?: 111 stainless steel strips are not suitable for high-temperature applications. It is a type of stainless steel with low carbon content, commonly used for general purposes. Its maximum operating temperature is approximately 400-450 degrees Celsius (750-840 degrees Fahrenheit). To ensure adequate heat resistance and oxidation resistance at elevated temperatures, it is advisable to utilize stainless steel grades like 310, 316, or 321, which possess higher levels of chromium and nickel.

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