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High-Quality 321 Stainless Steel Coil from China Suppliers - Durable, Corrosion-Resistant Factory Product
Product Description
Product Parameter
| Standard | JIS, AiSi, ASTM, GB, DIN, EN |
| Length | as required, 2000mm, 2440mm, 3000mm, 5800mm, 6000mm |
| Width | 3mm-2000mm or as required, 600mm, 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm |
| Place of Origin | WUXI, JIANGSU, CHINA |
| Brand Name | TISCO, BAO STEEL, BAOXIN, ZPSS, LISCO, JISCO, etc. |
| Type | Plate |
| Certification | Sgs |
| Tolerance | ±1% |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting |
| Product name | 321 Stainless steel coil |
| Surface | 2B, BA, NO.4, Mirror, Hairline...... |
| Delivery time | Within 7-10 Working Days |
| Hardness | Annealed, 1/16 Hard, 1/8 Hard, 1/4 Hard, 1/2 Hard, Hard |
| Stock or not | enough stock |
| Thickness | 0.3-100mm |
| Quality test | we can offer MTC(mill test certificate) |
| Package | Standard Export Sea-Package |
| Supply Ability | 20000 Ton/Tons per Year |
| Standard | ASTM, AISI, SUS, JIS, EN, DIN, BS, GB |
| Material | 201/202/301/302/304/304L/316/316L/309S/310S/321/409 420/430/430A/434/444/2205/904L 2205 2507 2520 |
| Finish(Surface) | No.1/2B/NO.3/NO.4/BA/HL/Mirror |
| Technique | Cold Rolled / Hot Rolled |
| Thickness | 0.3mm-3mm(cold rolled) 3-120mm (hot rolled) |
| Width | 1000mm-2000mm or customization |
| Length | 1000mm-6000mm or customization |
| Application | Stainless steel sheets can apply to construction field, ships building industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields. Stainless steel sheet can be made according to the customer's requirements. Fast delivery. Quality assured. Welcome to order. |
Chemical Component
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
| 201 | ≤0.15 | ≤0.75 | 5.5-7.5 | ≤0.06 | ≤0.03 | 3.5-5.5 | 16.0-18.0 | - |
| 202 | ≤0.15 | ≤1.0 | 7.5-10.0 | ≤0.06 | ≤0.03 | 4.-6.0 | 17.0-19.0 | - |
| 301 | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 6.0-8.0 | 16.0-18.0 | - |
| 302 | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.03 | 8.0-10.0 | 17.0-19.0 | - |
| 304 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 8.0-10.5 | 18.0-20.0 | |
| 304L | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.03 | 9.0-13.0 | 18.0-20.0 | |
| 309S | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 12.0-15.0 | 22.0-24.0 | |
| 310S | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.035 | ≤0.03 | 19.0-22.0 | 24.0-26.0 | |
| 316 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 |
| 316L | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 12.0-15.0 | 16.0-18.0 | 2.0-3.0 |
| 321 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.03 | 9.0-13.0 | 17.0-19.0 | - |
| 904L | ≤2.0 | ≤0.045 | ≤1.0 | ≤0.035 | - | 23.0-28.0 | 19.0-23.0 | 4.0-5.0 |
| 2205 | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.030 | ≤0.02 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 |
| 2507 | ≤0.03 | ≤0.80 | ≤1.2 | ≤0.035 | ≤0.02 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 |
| 2520 | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.045 | ≤0.03 | 0.19-0.22 | 0.24-0.26 | - |
| 410 | ≤0.15 | ≤1.0 | ≤1.0 | ≤0.035 | ≤0.03 | - | 11.5-13.5 | - |
| 430 | 0.12 | ≤0.75 | ≤1.0 | ≤0.040 | ≤0.03 | ≤0.60 | 16.0-18.0 | - |
| Surface Finish | Characteristics and application |
| 2B | The surface brightness and flatness of no2B is better than no2D. then through a special surface treatment to improve its mechanical properties, No2B could nearly satisfy comprehensive uses. |
| No.1 | Polished with abrasive belt of grit #100-#200, have better brightness with discontinuous coarse stria, used as inner and external ornaments for building, electrical appliances and kitchen utensils etc. |
| No.4 | Polished with abrasive belt of grit #150-#180, have better brightness with discontinuous coarse stria, but thinner than No3, are used as bathtub buildings inner and external ornaments electrical appliances kitchen utensils and food processing equipment etc. |
| HL | Polished with abrasive belt of grit #150-#320 on the NO.4 finish and has continuous streaks, mainly used as buildings ornaments elevators, door of building, frontal plate etc. |
| BA | Cold rolled, bright annealed and skin-passed, the product have excellent brightness and good reflexivity like mirror, kitchen apparatus, ornament etc. |
| 8K | The product have excellent brightness and prefer reflexivity can to be the mirror. |
Application
Stainless steel has unique characteristics such as unique strength, high abrasion resistance, superior anti-corrosion performance and resistance to rust. Therefore, it is widely used in industry, food machinery, mechanical and electrical industry, household appliance industry, home decoration and finishing industry. The development prospect of stainless steel application will be more and more broad, but the development of stainless steel application largely depends on the development of its surface treatment technology.
Production Process
Factory Show
Product Testing
Carbon (C)
1. Improve the deformation resistance and tensile strength of the blade.
2. Enhance hardness and improve wear resistance.
2. Enhance hardness and improve wear resistance.
Cr (Cr)
1. Enhance hardness, tensile strength and toughness.
2. Anti-wear and corrosion.
2. Anti-wear and corrosion.
Cobalt (CO)
1. Increase the hardness and strength so that it can withstand high temperature quenching.
2. Used to enhance certain individual properties of other elements in more complex alloys.
2. Used to enhance certain individual properties of other elements in more complex alloys.
Copper (Cu)
1. Enhance corrosion resistance.
2. Enhance wear resistance.
2. Enhance wear resistance.
Manganese (Mn)
1. Increase the quenchability, wear resistance and tensile strength.
2. Removal of oxygen from molten metal by separate oxidation and separate vaporization.
3. When added in large quantities, the hardness is enhanced, but the brittleness is improved.
2. Removal of oxygen from molten metal by separate oxidation and separate vaporization.
3. When added in large quantities, the hardness is enhanced, but the brittleness is improved.
Molybdenum (Mo)
1. Enhanced strength, hardness, quenchability and toughness.
2. Improve machinability and corrosion resistance.
2. Improve machinability and corrosion resistance.
Nickel (Ni)
1. Enhance strength, hardness and corrosion resistance.
Phosphorus (P)
1. Enhanced strength, machinability and hardness.
2. When the concentration is too large, it is easy to crack.
2. When the concentration is too large, it is easy to crack.
Silicon (Si)
1. Enhanced ductility.
2. Increase the tensile strength.
3. Removal of oxygen from molten metal by separate oxidation and separate vaporization.
2. Increase the tensile strength.
3. Removal of oxygen from molten metal by separate oxidation and separate vaporization.
Sulphur (S)
Small amount used to improve machinability.
Tungsten (W)
Increases strength, hardness and toughness.
Vanadium (V)
Increases strength, hardness and seismic resistance.
Product Short Description
Premium Material: Crafted from 321/321H/ASTM A240/DIN 1.4541 stainless steel.
Versatile Applications: Ideal for chemical, aerospace, food processing, power generation, construction, and engineering industries.
Unmatched Quality: Produced by a factory combining manufacturing and trading expertise.
Durable & Corrosion-Resistant: Ensures long-lasting performance even in harsh environments.
Introduction to High-Quality 321 Stainless Steel Coil
At our state-of-the-art factory, we specialize in producing and trading high-quality 321 stainless steel coils that cater to a wide range of industrial applications. Our product stands out in the market due to its exceptional durability and corrosion resistance, making it an ideal choice for industries that demand the highest standards of performance.
Materials and Their Unique Characteristics
321 Stainless Steel
This grade is known for its excellent resistance to intergranular corrosion, making it suitable for high-temperature applications. It is commonly used in the chemical and petrochemical industries, where it can withstand aggressive environments.
321H Stainless Steel
An enhanced version of 321, 321H offers higher carbon content for improved strength and creep resistance at elevated temperatures. It is perfect for applications in the aerospace industry, where it can endure extreme conditions.
ASTM A240
This specification covers the requirements for chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and other applications. It ensures uniform quality and performance in various industrial settings.
DIN 1.4541
This grade is identical to 321 stainless steel but is produced according to German standards. It offers excellent mechanical properties and corrosion resistance, making it ideal for demanding applications in the food processing and power generation industries.
Applications of 321 Stainless Steel Coil
Chemical Industry
Our 321 stainless steel coils are highly resistant to chemical corrosion, making them suitable for the production and storage of chemicals.
Aerospace
The high-temperature resistance and mechanical properties of our coils make them perfect for use in aircraft manufacturing and other aerospace applications.
Food Processing
The corrosion resistance and ease of cleaning make our coils ideal for food processing equipment, ensuring food safety and hygiene.
Power Generation
Our coils can withstand high temperatures and harsh environments, making them suitable for use in power plants and other energy-generating facilities.
Construction and Engineering
The durability and strength of our 321 stainless steel coils make them an excellent choice for construction and engineering projects, including bridges, buildings, and infrastructure.
Company Advantages
Manufacturing and Trading Expertise
Our factory combines manufacturing and trading capabilities, allowing us to offer competitive pricing and quick delivery.
Quality Assurance
We adhere to stringent quality standards to ensure that every coil meets the highest industry requirements.
Customization
We offer customized solutions to meet specific client needs, ensuring that our products fit perfectly into your industrial applications.
Conclusion
Investing in our high-quality 321 stainless steel coil is a decision that guarantees long-lasting performance and reliability. With its exceptional durability, corrosion resistance, and versatility, our product is the ultimate solution for industries that demand the best. Contact us today to discuss your specific requirements and explore how our coils can enhance your operations.
Frequently Asked Questions
What are the primary applications of 321 stainless steel coils?
321 stainless steel coils are widely used in chemical processing, aerospace components, food processing equipment, power generation, and demanding construction or engineering projects due to their excellent high-temperature and corrosion resistance.
What is the difference between 321 and 321H stainless steel?
321H is a high-carbon modification of 321 stainless steel. It contains higher carbon content (0.04-0.10%), which provides improved strength and creep resistance at temperatures elevated above 800°F compared to standard 321.
What surface finishes are available for your stainless steel products?
We offer various finishes including 2B (cold rolled, skin-passed), No.1 (hot rolled, annealed, pickled), No.4 (polished with abrasive), HL (hairline finish), BA (bright annealed), and 8K (mirror finish).
Do you provide quality testing certificates?
Yes, we provide Mill Test Certificates (MTC) for our products. We can also accommodate third-party quality testing, such as SGS, to ensure compliance with global standards.
What processing services do you offer?
We provide a comprehensive range of processing services to meet customization needs, including bending, welding, decoiling, punching, and precision cutting.