Stainless Steel Coil Cold Rolled 201 Surface L1 with Best Quality

Stainless Steel Coil Cold Rolled 201 Surface L1 with Best Quality System 1

Stainless Steel Coil Cold Rolled 201 Surface L1 with Best Quality

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 20000 m.t./month

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1. Structure of Stainless Steel Coil Cold Rolled 201 Descriptions

Stainless Steel 201 is a new kind of Austenite stainless steel by used Mn, N replace Ni. The steel has good corrosion resistance and hot / cold processing performance, instead of 304 stainless steel products for used in the not high of corrosive environment, such as indoor, inland city outdoor etc.

2. Main Features of the Stainless Steel Coil Cold Rolled 201

Product name: Stainless Steel Coil Cold Rolled 201

Thickness: 0.2mm to 1.5mm

Technical: Cold Rolled

Width: 10mm to 1240mm

Type: 200 Series

Length: As customer's requested

Standard: JIS, SUS, AISI, ASTM

Grade: 201-J1, 201-J4, AISI201, AISI202…

Finish: BA, 2B, 8K, NO.3, NO.4, HL…

MOQ: 25 Metric Tons

Hardness: Low Hard(190 HV Max); Half Hard(240-280HV); Full Hard(42-60 HRC)

Ship Term: FOB any port, China or CFR Destination port

Delivery Time: 15 to 20 day after the receive the deposit or 100%LC

Payment Terms: TT 30% for deposit, Balance against the copy of B/L, or 100%LC

Packaging: By wooden pallet, wooden case or according to customer's request

3. Stainless Steel Coil Cold Rolled 201 Images

Stainless Steel Coil Cold Rolled 201 Surface L1 with Best Quality

4. Stainless Steel Coil Cold Rolled 201 Specifications

Mechanical Property Contrast	YS (Mpa)	TS (Mpa)	EL(%)	HV	REMARK
Stainless Steel 201	426	880	52	224	1.0t
Stainless Steel 304	285	710	58	165	1.0t

Stainless Steel 200 Series Chemicals Contrast (wt. %)
Chemicals		C	Si	Mn	Cr	Ni	N	Other
205		0.12-0.25	≤0.75	14.0-15.0	16.5-18.0	1.0-1.75	0.32-0.4
JIS, ASTM	201	≤0.15	≤1.0	5.5-7.5	16.0-18.0	3.5-5.5	≤0.25	-
	201L	≤0.03	≤0.75	5.5-7.5	16.0-18.0	3.5-5.5	≤0.25	-
	202	≤0.15	≤1.0	7.5-10.0	17.0-19.0	4.0-6.0	≤0.25	-
	201LN	≤0.03	≤0.75	6.4-7.5	16.0-17.5	4.0-5.5	0.1-0.25	Cu≤1.0
India	201-J1	≤0.08	≤0.75	7.0-8.0	15.0-17.0	4.0-5.0	≤0.1	Cu≤1.5
	201-J3	≤0.08	≤0.75	9.0-10.5	14.0-16.0	2.0-3.0	≤0.15	Cu≤2.0
	201-J4	≤0.10	≤0.75	8.5-10.0	15.0-16.0	≤1.2	≤0.2	Cu≤2.0
America	204	≤0.03	≤1.0	7.0-9.0	15.0-17.0	1.5-3.0	0.15-0.3	(Cu)
America	H400	≤0.10	≤1.0	6.0-9.0	17.0-19.5	≤3.5	≤0.3	-
Japan	YUS130S	0.09	0.5	11.0	18.0	6.5	0.35	-
	NTK S-4	0.17	0.43	14.7	17.7	1.3	0.35	-
	NM15M	0.08	0.8	14.5	17.0	4.3	0.33	-
Europe America	219	≤0.04	≤0.75	8.0-10.0	19.0-21.5	5.5-7.5	0.15-0.4	-
Europe America	Cromanite	≤0.08	≤1.0	9.5-11.0	18.0-20.0	≤1.0	0.4-0.6	-

201 Surface	Characteristic and Application of Stainless Steel Coil Cold Rolled 201
2B	The surface brightness and flatness of 2B is better than 2D then through a special surface treatment to improve its mechanical properties,2B could nearly Satisfy comprehensive uses
No.4	Polished with abrasive belt of grit#150#180, have better brightness with discontinuous coarse stria, but thinner than NO.3, are used as bathtub buildings inner and electrical appliances kitchen utensils and food processing.
BA	Cold rolled, bright annealed and skin-passed, the product have excellent brightness like mirror kitchen apparatus, etc.
8K	The product have excellent brightness and prefer bright can be the mirror.

5. FAQ of Stainless Steel Coil Cold Rolled 201

Q: Are you factory or trader?

A: We certainly are stainless steel manufacturer and have processing plant.

Q: Can you provide mill test certificate?

A: Yes! Mill test certificate for both hot rolled raw material coils and cold rolled coils are available.

Q: How to get a sample?

A: Free samples are available for your checking and testing. And to get free samples, please send us your detailed receiving address (including post code) and your DHL/FEDEX/UPS account for collecting samples, courier cost will be paid in your side.

Q: How to visit your factory?

A: Most of the main cities in the world have flight to Beijing; you can take flight to Beijing first, then we will lead you to our Wuxi mills.

Q: How about your company?

A world class manufacturer & supplier of castings forging in stainless 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 90000 tons Precision casting and forging parts are exported to markets in Europe, America and Japan. OEM casting and forging service are available, all according to customer’s requirements.

Q: How to guarantee the quality of the products?

A: 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.

Q: How is the packaging and delivery?

A: Standard export packing (Coil: waterproof paper + protective steel ring; Circle: wooden box), or as your requirement and the delivery term is based on the project.

Q: Can stainless steel strips be used in chemical processing plants?: Yes, stainless steel strips can be used in chemical processing plants. Stainless steel is known for its excellent corrosion resistance, which makes it highly suitable for use in environments where chemicals are present. Stainless steel strips are resistant to both organic and inorganic chemicals, including acids, alkalis, and salts. Additionally, stainless steel is easy to clean and maintain, making it a popular choice for applications in chemical processing plants where hygiene is crucial. Stainless steel strips are also able to withstand high temperatures, making them suitable for use in various processes such as distillation, evaporation, and filtration. Overall, stainless steel strips are a reliable and durable choice for chemical processing plants due to their corrosion resistance, ease of maintenance, and ability to withstand harsh environments.

Q: What are the different types of surface defects in stainless steel strips?: Stainless steel strips can have various types of surface defects, which can affect their appearance, performance, and overall quality. Some common types of surface defects in stainless steel strips include: 1. Scratches: These are visible lines or grooves on the surface of the strip, which may be caused during manufacturing, handling, or transportation. Scratches can vary in depth and severity, with deeper scratches potentially affecting the corrosion resistance of the stainless steel. 2. Pits: Pitting is the formation of small, localized cavities or depressions on the surface of the strip. Pits can be caused by various factors, such as exposure to corrosive environments, improper cleaning, or manufacturing defects. Pitting 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 light discoloration to more severe, deep stains that are difficult to remove. These defects can impact the appearance of the stainless steel and may also indicate a compromised protective oxide layer. 4. Roll marks: Roll marks are impressions or ridges on the surface of the stainless steel strip that are caused during the rolling process. These marks can be visible as lines or patterns and are often a result of uneven pressure or improper alignment of the rolling equipment. Roll marks can affect the aesthetics of the stainless steel and may also impact its mechanical properties. 5. Weld defects: Stainless steel strips that are produced through welding processes can have various weld defects, including 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: Stainless steel strips can also have surface defects in the form of contaminants, such as dirt, oil, grease, or foreign particles. These contaminants can be introduced during manufacturing, handling, or storage, and can negatively impact 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 employ various quality control measures to minimize these defects and ensure that the stainless steel strips meet the required standards.

Q: How do stainless steel strips perform in low temperature environments?: Stainless steel strips perform exceptionally well in low temperature environments due to their inherent properties such as high strength, corrosion resistance, and toughness. They are capable of maintaining their structural integrity, durability, and resistance to brittleness even in extremely cold temperatures.

Q: Can stainless steel strips be used in medical implant manufacturing?: Yes, stainless steel strips can be used in medical implant manufacturing. Stainless steel is a commonly used material in the medical field due to its excellent corrosion resistance, high strength, and biocompatibility. It is often used for implants such as orthopedic devices, cardiovascular stents, and dental implants.

Q: How do you prevent rusting of stainless steel strips?: To prevent rusting of stainless steel strips, there are several measures that can be taken: 1. Regular cleaning: Stainless steel strips should be cleaned regularly using mild soap or detergent and warm water. This helps remove any dirt, dust, or contaminants that could lead to corrosion. 2. Avoid exposure to corrosive substances: Stainless steel should be kept away from direct contact with corrosive substances such as acids, bleach, or saltwater. If any spills occur, they should be cleaned immediately to prevent prolonged exposure. 3. Dry thoroughly: After cleaning, stainless steel strips should be dried thoroughly to remove any moisture. Moisture can promote corrosion, so it is important to ensure the surface is completely dry. 4. Use protective coatings: Applying a protective coating, such as a clear lacquer or oil-based coating, can help create a barrier between the steel and the environment, reducing the risk of rusting. These coatings should be reapplied periodically to maintain their effectiveness. 5. Use proper storage methods: Stainless steel strips should be stored in a clean and dry environment, away from any sources of moisture or corrosive substances. Additionally, using padding or separators between strips can prevent them from scratching each other, which could lead to rusting. 6. Regular inspection: Periodically inspecting stainless steel strips for signs of corrosion or damage can help identify and address any potential issues early on. Promptly addressing any problems can help prevent further rusting and extend the lifespan of the strips. By following these preventive measures, the risk of rusting in stainless steel strips can be significantly reduced, ensuring their longevity and maintaining their appearance.

Q: What are the factors affecting the hardness of 111 stainless steel strips?: The hardness of 111 stainless steel strips can be influenced by multiple factors. These factors include the alloy composition, the heat treatment process, cold working, grain size, the presence of impurities, work hardening, and the surface finish. 1. Alloy composition plays a significant role in determining the hardness of stainless steel. The presence of elements like chromium, nickel, and manganese can have a direct impact on hardness. Higher levels of these elements generally result in increased hardness. 2. The heat treatment process is crucial in determining the hardness of stainless steel. Processes such as annealing, quenching, and tempering can be used to manipulate the microstructure of the steel, which in turn affects its hardness. 3. Cold working, also known as cold rolling or cold drawing, involves deforming the stainless steel at room temperature. This process induces dislocations and strain hardening, significantly increasing the hardness of the material. 4. Grain size is another factor that influences the hardness of stainless steel. Finer grain sizes typically result in higher hardness due to the increased number of grain boundaries, which impede dislocation movement. 5. The presence of impurities, such as sulfur and phosphorus, can have a detrimental effect on the hardness of stainless steel. These impurities can promote the formation of non-metallic inclusions, ultimately reducing the material's hardness. 6. Work hardening occurs during the manufacturing process of stainless steel strips. It refers to the increase in hardness that happens as a result of plastic deformation. The level of work hardening depends on factors such as the amount of deformation, strain rate, and the initial hardness of the material. 7. The surface finish of stainless steel strips can impact their hardness. Factors like surface roughness and the presence of residual stress can influence the distribution and behavior of dislocations, thus affecting the material's hardness. It is important to note that the specific combination and interaction of these factors may vary depending on the manufacturing process, alloy type, and intended application of the stainless steel strips. Therefore, a comprehensive understanding of these factors is necessary to effectively control and optimize the hardness of 111 stainless steel strips.

Q: Can stainless steel strips be bent or folded without cracking?: Yes, stainless steel strips can be bent or folded without cracking, as they possess high ductility and strength.

Q: What are the common uses of stainless steel strips in the aerospace structural components?: Due to their unique properties and advantages, stainless steel strips have various applications in aerospace structural components. These include: 1. Providing structural support: Aircraft frame structures often utilize stainless steel strips to ensure strength and stability. They are commonly found in wing spars, fuselage frames, and other load-bearing components. 2. Manufacturing fasteners and connectors: Stainless steel strips are well-suited for aerospace applications where fasteners and connectors are needed. Their high tensile strength, resistance to corrosion, and ability to withstand extreme temperatures make them ideal for securing and joining different structural elements. 3. Constructing exhaust systems: Stainless steel strips are an excellent choice for constructing exhaust systems in aerospace engines. They can withstand the high temperatures and corrosive gases generated by the engines, ensuring the longevity and reliability of the system. 4. Fabricating fuel and hydraulic lines: Stainless steel strips are frequently used in the fabrication of fuel and hydraulic lines within aircraft. Their corrosion resistance and ability to handle high pressures make them reliable for transporting essential fluids throughout the aircraft. 5. Creating heat shields: In aerospace applications, stainless steel strips are utilized in the construction of heat shields. These shields protect sensitive components from the high temperatures generated by engines, enabling proper functionality and extending their lifespan. 6. Manufacturing interior components: Stainless steel strips are also employed in the manufacturing of various interior components such as cabin fittings, seat structures, and galley equipment. Their aesthetic appeal, durability, and resistance to wear and tear enhance the overall passenger experience and ensure safety. In conclusion, stainless steel strips are widely utilized in aerospace structural components due to their strength, corrosion resistance, ability to withstand high temperatures, and reliability. Their versatility and performance make them an essential material in the aerospace industry.

Q: Are stainless steel strips resistant to crevice corrosion?: Stainless steel strips, in general, exhibit resistance to crevice corrosion. The corrosion-resistant nature of stainless steel is widely recognized, encompassing its ability to withstand crevice corrosion. This particular form of corrosion arises in tight spaces or fissures with limited oxygen levels, resulting in localized corrosion. Nevertheless, the composition of stainless steel, particularly the presence of chromium, guarantees the formation of a protective oxide layer on the surface, which effectively prevents the onset and spread of crevice corrosion. Nevertheless, it is worth mentioning that the level of resistance to crevice corrosion may differ depending on the specific grade of stainless steel employed and the environmental conditions it encounters.