Description
Factory-Direct Cold Rolled Stainless Steel Coil Supply — 201, 304, 316L, 430 and 400-series grades rolled in-house with original mill test certificates for every heat number.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | Stainless Steel Coil |
| Product Type | Steel Coil / Plate |
| Steel Grade | 201, 202, 304, 304L, 309, 309S, 310S, 316, 316L, 316Ti, 317L, 321, 347H, 409, 409L, 410, 410S, 420 (420J1, 420J2), 430, 436, 439, 441, 444, 446 |
| Thickness | 0.3–14 mm (coil), 0.3–80 mm (plate) |
| Width | 1000 mm, 1219 mm, 1250 mm, 1500 mm, 1524 mm, 1800 mm, 2000 mm or customized |
| Length | 2000 mm, 2440 mm, 2500 mm, 3000 mm, 3048 mm, 5800 mm, 6000 mm or customized |
| Technique | Cold Rolled |
| Surface Treatment | 2B, 2D, HL (Hairline), BA (Bright Annealed), No.4; Colored mirror (Gold, Sapphire, Rose, Black, Bronze); Colored brushed (Gold, Sapphire, Rose, Black) |
| Packaging | Waterproof paper + metal pallet + angle bar protection + steel belt; BA and 8K with PVC film |
| Application | Industry, food machinery, mechanical and electrical industry, household appliance industry, home decoration and finishing industry |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Food & Pharmaceutical Processing | 304 / 316L coil for fermentation tanks, conveyor belts, piping sleeves, and sanitary work surfaces |
| Architectural Decoration | Mirror and brushed 201 / 304 coil for elevator wall panels, column cladding, ceiling trim, and signage frames |
| Household Appliance Manufacturing | 430 / 201 coil for washing machine drums, refrigerator side panels, microwave cavity liners, and range hood shells |
| Mechanical & Electrical Engineering | 321 / 347H coil for exhaust manifolds, heat exchanger shells, and industrial furnace linings |
| Infrastructure & Transport | 309S / 310S coil for high-temperature ductwork, kiln car bodies, and tunnel ventilation components |
Where Surface Finish Tolerance Decides Project Acceptance on a Cold Rolled Stainless Steel Coil Order
A 2B finish that arrives with roller marks or a BA surface with edge micro-cracks will fail visual inspection on site — and the entire coil gets rejected before a single sheet is blanked.
Global buyers sourcing a Cold Rolled Stainless Steel Coil routinely encounter inconsistent surface quality across heats, missing grade traceability on the edge stamp, and mixed-finish packing inside one container. When a 1219 mm wide 304 BA coil reaches the fabricator with subtle edge waves or PVC residue baked into the mirror layer, rework costs multiply and project timelines slip. [NEED_CITE: cold rolled stainless surface finish classification per ASTM A480]
Matching 200 / 300 / 400-Series Grades to Corrosive and Decorative Environments
A Cold Rolled Stainless Steel Coil spanning 201 through 446 covers three metallurgical families — austenitic, ferritic, and martensitic — each responding differently to chloride exposure, forming severity, and aesthetic requirements. Food-grade 316L handles saline and acidic contact; 430 offers a magnetic, cost-effective alternative for dry indoor appliance panels; 410 / 420 series respond to heat treatment for cutlery and blade tooling. We stock these grades across widths up to 2000 mm and thicknesses from 0.3 mm, allowing fabricators to consolidate decorative, structural, and high-temperature coil into one shipment rather than splitting orders across three mills.
Engineering Compliance, Certification, and On-Site Traceability
Cold rolled stainless coil used in pressure-containing food equipment or load-bearing architectural cladding must meet both material standards and regional import codes. EU buyers need EN-certified material with CE documentation; North American projects reference ASTM A240 / A480; food-contact applications demand full chemical disclosure on the mill test certificate. Every coil we ship carries a heat number stamped on the inner core, matching the MTC that lists composition and cold-reduction pass details — critical when customs officers or third-party inspectors pull random coils for verification. [NEED_CITE: ASTM A240 standard specification for chromium and chromium-nickel stainless steel plate, sheet, and strip]
Cold Rolling Precision, Finish Hierarchy, and Why 0.3 mm Tolerance Matters
Cold rolling reduces hot-rolled stainless slab to tight thickness tolerances while work-hardening the surface for improved flatness and a consistent grain. The 2B finish — dull reflective, passivated — serves as the baseline for further polishing; BA (Bright Annealed) achieves mirror-like reflectivity through controlled-atmosphere annealing, eliminating the need for post-roll pickling; Hairline (HL) and No.4 brushed finishes add directional texture for architectural panels. Decorative colored mirror and brushed variants — Gold, Sapphire, Rose, Black, Bronze — use PVD or water-transfer coating over a polished substrate, requiring PVC film lamination to prevent scratching during slitting and transit. Thickness tolerance on a 0.3 mm 304 coil directly affects downstream stamping die clearance; even slight deviation causes edge burring or inconsistent bend radii on appliance housings.
Hidden Costs When Grade Substitution or Finish Mixing Goes Undetected
Substituting 201 for 304 on a coastal architectural project accelerates rust staining within months — a failure that only surfaces after installation, triggering full panel replacement and reputational damage to the contractor. Mixing BA and 2B coils inside one container without clear separation leads to finish misapplication on the fabrication floor, where a No.4 panel ends up beside a mirror-finished column. Missing or forged mill certificates cause customs holds at EU and Middle Eastern ports, delaying project-critical shipments by weeks. [NEED_CITE: stainless steel grade selection for marine and chloride environments]
Why Bulk Buyers Consolidate Cold Rolled Stainless Steel Coil Orders With Us
We operate three production lines in Jinan running simult*p over 20,000 tons monthly across 2,800+ specifications — meaning a buyer ordering 304 BA for decoration, 430 2B for appliance blanks, and 316L for food equipment can load all three into one consolidated container. Factory-direct pricing removes trading-company markups, with volume discounts reviewed every six months for recurring partners. Every coil ships with an original mill test certificate traceable to heat number, and SGS / BV third-party inspection is available on request before container sealing. Our export team handles customs documentation, container loading optimization, and real-time shipment tracking — the same team that personally supervises loading plans after learning the hard way that a poorly supported 1200 mm coil will arrive with edge dents and降级 claims.
Documentation & Compliance
- Mill Test Certificate documenting 304L / 316L chemical composition (C, Cr, Ni, Mo) and cold-rolled mechanical status per ASTM A240 or EN 10088
- CE certificate covering stainless flat products for construction applications under EN 10088-4, supporting EU customs clearance
- ISO 9001:2015 quality management certificate covering cold rolling, annealing, pickling, and slitting processes
- SGS or BV third-party inspection report verifying surface finish grade, thickness tolerance, and packaging integrity before shipment
- Heat number traceability stamped on each coil core, cross-referenced to MTC and production batch records
- Full customs document package: commercial invoice, packing list, bill of lading, certificate of origin, and fumigation certificate where required
Packaging, Loading & Delivery
- Waterproof paper wrapping plus metal pallet base with angle bar edge protection, secured by steel belt — critical for preserving 2B and BA finishes during ocean transit
- BA and mirror-finish coils additionally wrapped in PVC film to prevent surface scratching from contact with adjacent coils or container walls
- Custom-width coils up to 2000 mm loaded vertically or horizontally depending on gauge, with wooden chocks and dunnage preventing lateral shift in 20ft and 40ft containers
- Cut-to-length plate orders (0.3–80 mm) interleaved with protective paper and strapped in bundles, with heat number and grade stenciled on each bundle face
- Mixed-grade containers consolidated with clear separation labels — 304 decorative coil isolated from 430 industrial grade to avoid cross-contamination on the fabrication floor
- FOB Qingdao / Tianjin, CIF destination port, or DDP door-to-door delivery with real-time container tracking
Ready to Lock In Grade, Finish, and Shipment Schedule?
Submit your specification sheet — grade, thickness, width, surface finish, quantity, and destination port — and receive a bulk quotation with volume pricing, production lead time, and sample MTC within 12 hours. Non-standard widths, custom slit edges, and mixed-container loading plans are confirmed before deposit, ensuring no surprises at the port or on the fabrication floor.
Request Your Cold Rolled Stainless Steel Coil Quotation and Mill Test Certificate Today
Send your full specification list to receive factory-direct pricing, available stock confirmation, and third-party inspection scheduling.
Company: Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.sdxinjiyuan.com
Tel: +86 531 8573 6315
Mobile / WhatsApp / WeChat: +86 188 5315 7756
Email: admin@sdxinjiyuan.com
Address: No.11889, Jingshi West Road, Lulian Group, Jinan City, Shandong Province, China
Frequently Asked Questions
Q: What is the difference between 201, 304, 316L, and 430 stainless steel coil grades?
A: 201 is a manganese-substituted austenitic grade offering lower cost for indoor decorative use; 304 is the standard austenitic workhorse for food contact and general corrosion resistance; 316L adds molybdenum for chloride and marine environment resistance; 430 is a ferritic grade with magnetic properties, suited to dry indoor appliance panels and automotive trim where cost matters more than deep-draw formability.
Q: What surface finishes are available on cold rolled stainless steel coil?
A: We supply 2B (dull reflective, passivated), 2D (matte), BA (Bright Annealed mirror), HL (Hairline directional satin), and No.4 (short-grain brushed). Decorative options include PVD-colored mirror and brushed finishes in Gold, Sapphire, Rose, Black, and Bronze — all protected with PVC film for transit.
Q: Can you produce non-standard widths or thicknesses, and what is the minimum order quantity?
A: Yes. Beyond standard widths of 1000–2000 mm, we offer custom slitting to your specified width and thickness within the 0.3–14 mm coil range. Trial orders start from 1 ton, with full-container bulk orders supported through consolidated multi-grade loading.
Q: Do your coils come with CE or ISO certificates for EU and international customs clearance?
A: Every shipment includes an original mill test certificate with full chemical and mechanical data. We hold ISO 9001:2015 certification, and CE documentation (EN 10088 series) is available for construction-grade stainless flat products. SGS / BV third-party inspection can be arranged before shipment.
Q: How are stainless steel coils packed to prevent surface damage during ocean freight?
A: Each coil is wrapped in waterproof paper, mounted on a metal pallet with angle bar edge protection, and secured with steel belts. BA and mirror finishes receive additional PVC film lamination. Containers are loaded with wooden chocks and dunnage to prevent coil shift, and mixed-finish orders are physically separated with clear labeling.
