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The Seamless 304 Stainless Steel Coil stands as a paragon of engineering excellence, designed to meet the rigorous demands of modern industrial and commercial applications. Composed of an austenitic alloy with 18-20% chromium and 8-10.5% nickel, this coil combines superior corrosion resistance with remarkable mechanical properties. The seamless manufacturing process eliminates weld lines, ensuring a uniform molecular structure that enhances durability and structural integrity. With a sleek surface finish and consistent dimensional accuracy, it serves as a versatile material for projects requiring both strength and aesthetic appeal. Operating efficiently in temperatures ranging from sub-zero environments up to 800°C, this coil maintains its performance stability across extreme conditions, making it a trusted choice for critical applications worldwide.
Unmatched Corrosion Resistance: The chromium-nickel matrix forms a passive oxide layer that shields the material from rust, oxidation, and chemical attack. It performs exceptionally well in atmospheric conditions, mild acids, and alkaline solutions, making it suitable for indoor and outdoor use.
Mechanical Excellence: Boasting a tensile strength of 500-700 MPa and yield strength of 210 MPa in the annealed state, the coil offers a perfect balance of formability and hardness. It can be easily welded, bent, or machined without compromising its structural properties, adapting to complex fabrication requirements.
Hygienic and Low Maintenance: The smooth, non-porous surface resists bacterial accumulation and is easy to clean, meeting the strict hygiene standards of the food, beverage, and pharmaceutical industries. Regular maintenance involves only mild detergents, reducing long-term operational costs.
Customizable Specifications: Available in thicknesses from 0.3mm to 12mm and widths up to 2000mm, the coil can be tailored to specific project needs. Common surface finishes include 2B (mill finish), No. 4 (brushed), and 8K (mirror polish), with options for embossed or colored coatings for decorative applications.
Industrial Manufacturing: Ideal for producing heat exchangers, pressure vessels, and chemical pipelines, where resistance to high temperatures and corrosive media is critical.
Architectural Design: Used in building facades, roofing, and structural supports for its combination of durability and modern aesthetics. It withstands urban pollution and coastal humidity, maintaining its luster for decades.
Food & Beverage Processing: Employed in conveyor systems, storage tanks, and processing equipment due to its hygienic properties and resistance to organic acids from food products.
Automotive Industry: Features in exhaust systems, trim components, and fuel lines, offering heat resistance and resistance to road salt corrosion.
Q: Can this coil be used in marine environments?
A: While 304 stainless steel provides good general corrosion resistance, prolonged exposure to saltwater may cause pitting over time. For marine applications, consider upgrading to 316 stainless steel, which includes molybdenum for enhanced chloride resistance.
Q: What is the difference between annealed and cold-rolled coils?
A: Annealed coils are heat-treated to improve ductility and formability, ideal for deep drawing or bending. Cold-rolled coils have a tighter tolerance and higher hardness, suitable for applications requiring precise dimensions and strength.
Q: How should I store the coil to prevent surface contamination?
A: Store in a dry, ventilated area away from moisture and chemicals. Use protective paper or plastic wrapping to prevent scratches and ensure the storage rack is clean and free of rust particles.
Q: Does the coil comply with international standards?
A: Yes, it meets ASTM A269, ASME SA249, and EN 10088-2 standards, with certifications available upon request for traceability and quality assurance.
| Parameter | Value |
|---|---|
| Grade | 300 Series Stainless Steel |
| Steel Grade | 304 |
| Surface Treatment | 2B, 8K, Bright Annealed or Customized According to Customer Requirements, Various Surface Treatments |
| Length | 1000mm-11000mm, Customization Supported, According to Customer Needs |
| Width | 100~2000 mm |
| Processing Services | Welding, Stamping, Cutting, Bending, Decoiling |
| Thickness | Cold Rolled: 0.15mm-10mm, Hot Rolled: 3.0mm-180mm |
| Testing | Yield Strength, Tensile Strength, Hardness, Hydrostatic Testing |
| Certification and Inspection | Third-Party Certification |
| Advantage | Direct Sales from Manufacturer, Low Price, High Quality |
| Surface Finish | Inner and Outer Bright Annealed, Clean, Seamless Processing |
| Protection | 1. Provide interleaving paper. 2. Provide PVC protective film. |
| Product Inspection | Supported |
| Origin | Wenzhou, Zhejiang, China |
| Packaging | Industrial standard packaging or according to customer requirements |
| Delivery Time | Fast delivery based on order quantity |
| Service Commitment | Provide high-quality products and top-level service |
| Customer Support | For any questions, please contact us via email or phone, and we will respond as soon as possible. |
The Seamless 304 Stainless Steel Coil stands as a paragon of engineering excellence, designed to meet the rigorous demands of modern industrial and commercial applications. Composed of an austenitic alloy with 18-20% chromium and 8-10.5% nickel, this coil combines superior corrosion resistance with remarkable mechanical properties. The seamless manufacturing process eliminates weld lines, ensuring a uniform molecular structure that enhances durability and structural integrity. With a sleek surface finish and consistent dimensional accuracy, it serves as a versatile material for projects requiring both strength and aesthetic appeal. Operating efficiently in temperatures ranging from sub-zero environments up to 800°C, this coil maintains its performance stability across extreme conditions, making it a trusted choice for critical applications worldwide.
Unmatched Corrosion Resistance: The chromium-nickel matrix forms a passive oxide layer that shields the material from rust, oxidation, and chemical attack. It performs exceptionally well in atmospheric conditions, mild acids, and alkaline solutions, making it suitable for indoor and outdoor use.
Mechanical Excellence: Boasting a tensile strength of 500-700 MPa and yield strength of 210 MPa in the annealed state, the coil offers a perfect balance of formability and hardness. It can be easily welded, bent, or machined without compromising its structural properties, adapting to complex fabrication requirements.
Hygienic and Low Maintenance: The smooth, non-porous surface resists bacterial accumulation and is easy to clean, meeting the strict hygiene standards of the food, beverage, and pharmaceutical industries. Regular maintenance involves only mild detergents, reducing long-term operational costs.
Customizable Specifications: Available in thicknesses from 0.3mm to 12mm and widths up to 2000mm, the coil can be tailored to specific project needs. Common surface finishes include 2B (mill finish), No. 4 (brushed), and 8K (mirror polish), with options for embossed or colored coatings for decorative applications.
Industrial Manufacturing: Ideal for producing heat exchangers, pressure vessels, and chemical pipelines, where resistance to high temperatures and corrosive media is critical.
Architectural Design: Used in building facades, roofing, and structural supports for its combination of durability and modern aesthetics. It withstands urban pollution and coastal humidity, maintaining its luster for decades.
Food & Beverage Processing: Employed in conveyor systems, storage tanks, and processing equipment due to its hygienic properties and resistance to organic acids from food products.
Automotive Industry: Features in exhaust systems, trim components, and fuel lines, offering heat resistance and resistance to road salt corrosion.
Q: Can this coil be used in marine environments?
A: While 304 stainless steel provides good general corrosion resistance, prolonged exposure to saltwater may cause pitting over time. For marine applications, consider upgrading to 316 stainless steel, which includes molybdenum for enhanced chloride resistance.
Q: What is the difference between annealed and cold-rolled coils?
A: Annealed coils are heat-treated to improve ductility and formability, ideal for deep drawing or bending. Cold-rolled coils have a tighter tolerance and higher hardness, suitable for applications requiring precise dimensions and strength.
Q: How should I store the coil to prevent surface contamination?
A: Store in a dry, ventilated area away from moisture and chemicals. Use protective paper or plastic wrapping to prevent scratches and ensure the storage rack is clean and free of rust particles.
Q: Does the coil comply with international standards?
A: Yes, it meets ASTM A269, ASME SA249, and EN 10088-2 standards, with certifications available upon request for traceability and quality assurance.
| Parameter | Value |
|---|---|
| Grade | 300 Series Stainless Steel |
| Steel Grade | 304 |
| Surface Treatment | 2B, 8K, Bright Annealed or Customized According to Customer Requirements, Various Surface Treatments |
| Length | 1000mm-11000mm, Customization Supported, According to Customer Needs |
| Width | 100~2000 mm |
| Processing Services | Welding, Stamping, Cutting, Bending, Decoiling |
| Thickness | Cold Rolled: 0.15mm-10mm, Hot Rolled: 3.0mm-180mm |
| Testing | Yield Strength, Tensile Strength, Hardness, Hydrostatic Testing |
| Certification and Inspection | Third-Party Certification |
| Advantage | Direct Sales from Manufacturer, Low Price, High Quality |
| Surface Finish | Inner and Outer Bright Annealed, Clean, Seamless Processing |
| Protection | 1. Provide interleaving paper. 2. Provide PVC protective film. |
| Product Inspection | Supported |
| Origin | Wenzhou, Zhejiang, China |
| Packaging | Industrial standard packaging or according to customer requirements |
| Delivery Time | Fast delivery based on order quantity |
| Service Commitment | Provide high-quality products and top-level service |
| Customer Support | For any questions, please contact us via email or phone, and we will respond as soon as possible. |
