JIS G4305 304L Stainless Steel Coil 2B/BA Surface Annealed Pickled Coil for Deep Drawing
Product Spotlights
Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your reliable partner in high-quality stainless steel solutions. Our JIS G4305 304L Stainless Steel Coil with 2B/BA surface treatment, annealed and pickled, is specifically engineered for deep drawing applications. This product combines superior corrosion resistance, excellent formability, and consistent mechanical properties, making it an ideal choice for industries demanding precision and durability. With our ISO 9001 certified production and a global export network, we ensure every coil meets the highest standards of performance.
Key Features & Technical Specifications
- Grade 304L (Low Carbon) – Enhanced weldability and reduced risk of intergranular corrosion, ideal for forming and welding operations.
- Surface Options: 2B (Bright Cold Rolled) & BA (Bright Annealed) – 2B provides a matte, uniform finish; BA offers a mirror-like, reflective surface. Both surfaces are smooth and free of defects, suitable for further processing.
- Annealed & Pickled Condition – The coil undergoes solution annealing and pickling to remove scale and restore corrosion resistance, ensuring a clean, oxide-free surface.
- Designed for Deep Drawing – Excellent ductility and elongation allow complex shapes to be formed without cracking or tearing. Ideal for automotive parts, kitchen sinks, containers, and more.
- Strict Dimensional Control – Thickness tolerance: ±0.05mm (for 0.3-1.0mm) / ±0.10mm (for 1.0-3.0mm); Width tolerance: +0.5mm / -0mm. Consistent coil weight and inner diameter for smooth feeding.
- Mechanical Properties – Yield strength ≥ 175 MPa, Tensile strength ≥ 485 MPa, Elongation ≥ 40% (typical).
- Packaging & Protection – Each coil is wrapped with anti-rust paper, plastic film, and steel sheath to prevent damage during transit.
Typical Parameters (Reference)
| Parameter | Value |
|---|---|
| Standard | JIS G4305 |
| Grade | 304L (UNS S30403) |
| Surface Finish | 2B (Matte) / BA (Bright) |
| Thickness | 0.3 – 3.0 mm (customizable) |
| Width | 1000 – 1500 mm (customizable) |
| Coil Inner Diameter | 508 mm / 610 mm |
| Coil Weight | 3 – 10 tons per coil |
| Delivery Condition | Annealed & Pickled |
Benefits for Your Application
- Deep Drawing Excellence – Low carbon content and optimized grain structure minimize work hardening, allowing deep, intricate draws without surface defects.
- Corrosion Resistance – 304L offers superior resistance to intergranular corrosion after welding, prolonging the life of your finished products.
- Versatile Surface Finishes – Choose 2B for general industrial uses or BA for decorative or high-gloss applications. Both surfaces are compatible with painting, coating, or polishing.
- Cost-Effective Manufacturing – Consistent coil dimensions and smooth surface reduce tool wear and scrap rates, improving overall production efficiency.
- Global Logistics Support – Shipped from Qingdao Port with professional packing, FOB/CIF/CFR terms available. We serve markets across North America, South America, Europe, Asia, Africa, and Oceania.
Why Choose Hemaokang Steel? Established in 2025, we have rapidly become a trusted supplier of stainless steel products. With an annual export value exceeding US$50 million and a team of 51-100 experienced professionals, we are committed to quality and customer satisfaction. Our ISO 9001-certified production system ensures rigorous quality control from raw material to final shipment. We invite you to experience our reliable service, competitive pricing, and technical support. Contact us today for a quote or sample, and let us help you achieve exceptional results with our JIS G4305 304L coil.
Frequently Asked Questions (FAQ)
-
What is the difference between 2B and BA surface finish?
2B is a cold-rolled, heat-treated, and pickled surface with a matte appearance, suitable for general forming. BA (Bright Annealed) is produced under a protective atmosphere, resulting in a bright, reflective surface ideal for decorative or high-visibility applications. -
Can this coil be used for deep drawing of kitchen sinks?
Yes, absolutely. The 304L grade with annealed and pickled condition provides excellent ductility and elongation, making it perfect for deep drawing kitchen sinks, basins, and other hollow ware. -
What is the minimum order quantity (MOQ)?
Our standard MOQ is 5 tons per size, but we can accommodate smaller trial orders. Please contact our sales team for detailed negotiation. -
Do you offer slitting or cut-to-length services?
Yes, we can provide custom slitting to narrower widths or cut-to-length sheets according to your requirements. Additional charges may apply. -
How do you ensure the coil is free from surface defects?
Every coil undergoes visual inspection and eddy current testing (optional) during production. We also use advanced flatness measurement equipment to guarantee a defect-free surface. -
What certifications do you provide with the shipment?
We provide a Mill Test Certificate (MTC) as per EN 10204 3.1, along with our ISO 9001 certificate. Additional third-party inspection can be arranged upon request. -
What is the typical lead time?
For standard sizes, lead time is 15-20 days after deposit. For customized dimensions, it may extend to 25-30 days, depending on order quantity. -
Can you supply coils with a thickness of 0.2mm or 4.0mm?
Our standard range is 0.3-3.0mm. Thicknesses outside this range are available on a project basis. Please inquire with your specific requirements.
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