High-quality 321 stainless steel coil with excellent heat resistance and corrosion performance. OEM & ODM factory direct supply. Custom thickness, width, and finish available.
As a trusted stainless steel coil supplier with nearly two decades of experience, we specialize in providing OEM & ODM services for 321 stainless steel coils. Whether you require standard specifications or custom-cut dimensions, our advanced production lines and expert engineers ensure precision, consistency, and fast delivery. From coil slitting to surface finishing, we tailor every detail to meet your specific industrial needs. Our coils are widely used in high-temperature applications where resistance to oxidation and scaling is critical.
| Item | Description |
|---|---|
| Product Name | Stainless Steel Coil, Stainless Coil, SS Coil |
| Material Grades | 201 / 202 / 304 / 304L / 304H / 309 / 309S / 310 / 310S / 316 / 316L / 317 / 317L / 321 / 321H / 347 / 347H / 409 / 410S / 416 / 420 / 430 / 439 / 440 / 444 / 446 / 2205 / 2507 / S31803 / S32205 / S32750 / S32760 / 253MA / 254SMO / 904L / A286 etc. |
| Standards | GB, AISI, ASTM, DIN, EN, JIS, GOST |
| Process / Technology | Cold Rolled / Hot Rolled / Custom Slitting |
| Thickness | 0.1 – 16 mm |
| Width | 20 – 2000 mm (customizable) |
| Length / Coil OD | 3 mm – 2500 mm or per customer request |
| Acabamento da superfície | 2B, Bright Annealed (BA), Dull Polish (DP), Hot Rolled (HR), No.1, HL, No.4, No.8, Mirror, Etched, Embossed |
| Inspection | SGS, TUV, BV, ABS, LR etc. |
| Aplicativo | Oil & Gas, Petroleum, Vessels, Ship Building, Water Treatment, Environmental Protection, etc. |
| Finish | Description | Typical Thickness (mm) | Available Widths (mm) |
| 2B | Smooth, reflective grey sheen. Most widely used. | 0.55 | 914, 1219 |
| BA | Bright annealed mirror-like finish. | 0.70 | 914, 1219 |
| DP | Brushed, non-reflective, easy to clean. | 0.90 | 750, 914, 1219 |
| HR | Scaled, hot-rolled finish. | 1.20 | 750–1500 |
| No.1 | Pickled, white surface after hot-rolling. | 1.50 | 914, 1219, 1500 |
| HL | Continuous linear polish finish. | 1.60 | 914, 1219, 1500 |
| No.4 | Polished with 150–180 grit. | 2.00 | 914, 1219, 1500 |
| No.8 | Mirror finish, highly reflective. | 2.50 | 914, 1219, 1500 |
321 stainless steel coils are available in both hot rolled and cold rolled forms, with widths ranging from 20 mm to 2000 mm. Standard finishes include 2B, BA, No.1, HL, and Mirror, suitable for a variety of industries including petrochemical, heat treatment, and exhaust systems. We support customized coil cutting, slitting, and surface treatment to match your application needs.
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321 has added titanium which improves resistance to intergranular corrosion and makes it suitable for continuous high-temperature use.
Yes, we offer multiple finish options including 2B, BA, No.1, HL, and mirror polish.
Absolutely. We offer coil slitting, cutting, and customized width/length processing as per your request.
Yes. All our stainless steel coils comply with GB, ASTM, AISI, DIN, EN, and JIS standards, with inspection reports from SGS, TUV, BV, etc.
We provide a Mill Test Certificate (EN10204 3.1), packing list, invoice, and any additional documents required by the customer.
Yes, trial orders and low-volume purchases are welcome for quality verification or initial market testing.
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