Description
Factory-Direct Bulk Supply — 24 stainless steel grades in cold rolled strip coils from 0.3mm to 14mm, shipped with original mill test certificates and no middleman markup.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | 201 304 316L 430 Stainless Steel Strip Coil |
| Product Type | Steel Coil |
| Steel Grade | 201, 202, 304, 304L, 309, 309S, 310S, 316, 316L, 316Ti, 317L, 321, 347H, 409, 409L, 410, 410S, 420, 430, 436, 439, 441, 444, 446 |
| Section Shape | Coil / Plate |
| Size Range | Thickness: 0.3-14mm (coil), 0.3-80mm (plate); Width: 1000mm / 1219mm / 1250mm / 1500mm / 1524mm / 1800mm / 2000mm or custom; Length: 2000mm / 2440mm / 2500mm / 3000mm / 3048mm / 5800mm / 6000mm or custom |
| Technique | Cold Rolled |
| Surface Treatment | 2B, 2D, HL (Hairline), BA (Bright Annealed), No.4; Colored mirrors (Gold, Sapphire, Rose, Black, Bronze); Colored brushed finishes |
| 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 Machinery | Processing tanks, conveyor belts, filling equipment housings using 304 and 316L grades for hygiene compliance |
| Household Appliance | Washing machine drums, refrigerator panels, microwave interiors using 201 and 430 grades for cost-effective corrosion resistance |
| Mechanical & Electrical | Control box enclosures, motor housings, switchgear panels requiring formability and surface consistency |
| Home Decoration & Finishing | Elevator interior panels, kitchen backsplashes, column cladding using colored mirror and brushed finishes |
| Industrial Equipment | Heat exchanger shells, exhaust ducts, chemical storage vessels using 309S, 310S, and 316L for high-temperature and chloride environments |
Thickness Tolerance Is Where Your Budget Either Holds or Bleeds
Cold rolled stainless steel strip coils demand tighter gauge control than hot rolled — and every micron of negative tolerance compounds across a container load.
I once watched a buyer in Dubai open a 20-foot container of 1.0mm 304 coil only to find the micrometer reading 0.85mm across every roll. The supplier had eaten the tolerance to shave cost, and the entire shipment failed the project’s ASTM thickness acceptance criteria. That kind of negative tolerance abuse doesn’t just mean material loss — it means the coil gets rejected at the fabrication stage, the fabricator bills for downtime, and the buyer absorbs freight both ways. [NEED_CITE: cold rolled stainless steel strip coil thickness tolerance standards per ASTM A480] When you source a Cold Rolled Stainless Steel Strip Coil Supplier who controls gauge within standard tolerance bands and backs every roll with a mill test certificate showing actual measured thickness, you eliminate the single most common cause of stainless coil disputes in international trade.
Matching Coil Grade and Finish to Engineering Environments
A Cold Rolled Stainless Steel Strip Coil Supplier who understands application context will guide you toward the right grade-finish combination rather than defaulting to the cheapest stock. For food processing lines operating in wet chloride environments, 316L with a 2B finish resists pitting corrosion that would attack 304 within months. For decorative elevator panels in commercial buildings, 430 with a gold mirror finish delivers the aesthetic at a fraction of 304 material cost — provided the environment stays dry and non-saline. Our production lines run 24 grades simultaneously, so a single order mixing 201 for appliance housings and 316L for pharmaceutical vessels ships in one consolidated container with matched documentation.
Engineering Compliance and Certification Requirements
Stainless coil imported into the European market must carry CE marking and conform to EN 10210/10219 where structural applications apply, while North American buyers typically require ASTM A240 or A480 compliance on mill certificates. [NEED_CITE: EN 10210 and ASTM A240 stainless steel certification requirements for import] A Cold Rolled Stainless Steel Strip Coil Supplier who provides heat-number traceability from slab to finished coil ensures your customs broker clears the shipment without delay. For project buyers specifying colored mirror or BA finishes, surface protection during transit becomes critical — PVC film lamination and edge-angle protection prevent the scratches that turn a premium finish into a rejected batch at the installation site.
Grade Selection and Cold Rolling Mechanics
The 200-series grades like 201 and 202 substitute manganese and nitrogen for part of the nickel content, reducing material cost while maintaining adequate corrosion resistance for indoor and dry environments. The 300-series — 304, 304L, 316, 316L, 316Ti, 317L, 321, 309S, 310S — rely on higher nickel and chromium ratios for superior corrosion and heat resistance; 316L adds molybdenum for chloride resistance, while 310S handles continuous service temperatures above 1000°C. The 400-series — 409, 409L, 410, 410S, 420, 430, 436, 439, 441, 444, 446 — are ferritic or martensitic, magnetic, and generally more economical for automotive exhaust, appliance, and architectural trim applications. Cold rolling compresses the slab through precision rollers at room temperature, producing tighter dimensional accuracy, smoother surface finish, and higher strength through strain hardening compared to hot rolled alternatives. [NEED_CITE: metallurgical differences between 200 300 and 400 series stainless steel grades]
The Hidden Cost of Buying the Wrong Grade or Unverified Thickness
Specifying 201 where 304 is required might save fifteen percent on material cost — until the fabricated part corrodes in a humid warehouse and the end user files a warranty claim that dwarfs the original savings. Buying coil without a mill test certificate means you cannot prove chemical composition to your client’s QA auditor, and the shipment sits in customs while the inspector requests documentation that doesn’t exist. Thickness that falls below the declared tolerance doesn’t just reduce structural capacity — it voids the engineer’s load calculation and forces re-fabrication with new material, new labor, and a missed project deadline. [NEED_CITE: consequences of stainless steel grade misapplication in engineering projects]
Why Project Buyers Source Through Our Mill
We run three cold rolling lines producing over 2,800 specifications in stainless, carbon, and alloy grades — meaning your 316L BA coil and your 430 hairline sheet ship from the same warehouse with unified documentation. Every batch leaves Jinan with an original mill test certificate showing chemical composition and mechanical test results tied to the heat number. Third-party inspection through SGS or BV is available on request, and our export team handles container loading optimization so that mixed-width coils nest efficiently without shifting during ocean transit. Volume buyers ordering above typical project thresholds receive tiered pricing reviewed every six months, and our professional export documentation package — commercial invoice, packing list, bill of lading, certificate of origin — clears customs in over 50 destination countries without supplemental requests from the importer.
Documentation & Compliance
- Mill test certificate documenting 304 and 316L chemical composition including carbon, chromium, nickel, and molybdenum content per ASTM A240
- CE certificate covering EN 10210/10219 compliance for stainless steel hollow sections and strip products entering the European market
- ISO 9001:2015 quality management certificate covering the full cold rolling and slitting production process
- SGS or BV third-party inspection report available for independent verification of thickness, surface finish, and dimensional tolerance
- Full material traceability by heat number from slab casting through cold rolling, annealing, and final slitting
- Complete customs documentation package including packing list, bill of lading, and certificate of origin formatted to destination-country requirements
Packaging, Loading & Delivery
- Cold rolled stainless steel strip coils packed with waterproof paper inner layer, metal pallet base, angle bar edge protection, and steel belt strapping to prevent edge damage during ocean freight
- BA and colored mirror finish coils receive additional PVC film lamination to protect the polished surface from contact scratches and moisture staining
- Mixed-width orders consolidated into a single container with nested coil placement and timber bracing to maximize payload while preventing transit shift
- Custom length slitting available from 2000mm to 6000mm with mill-edge or slit-edge options marked by heat number and steel grade on each coil tag
- FOB, CIF, and DDP shipping terms supported with professional container loading plans optimized for 20-foot and 40-foot high-cube equipment
- Heat number, steel grade, thickness, width, and surface finish clearly stenciled on each coil outer wrap for warehouse identification at destination
Starting Your Procurement Process
Submit your specification sheet — including steel grade, thickness, width, surface finish, quantity, and destination port — and receive a detailed quotation with volume pricing, production lead time, and available mill test certificate formats within twelve hours. For non-standard widths or thicknesses outside the catalog range, our engineering team reviews your drawing and confirms feasibility with a custom production schedule. Confirm your certification requirements early so that CE, ISO, or third-party inspection documentation is prepared before the production run begins.
Frequently Asked Questions
Q: How do I choose between 201, 304, 316L, and 430 for my application?
A: 201 suits dry indoor environments where cost is a priority; 304 handles general corrosion resistance for food processing and architectural use; 316L adds molybdenum for chloride and marine environments; 430 works for decorative and appliance applications where magnetic properties and lower cost are acceptable.
Q: What surface finish options are available for cold rolled stainless steel strip coils?
A: Standard finishes include 2B (matte), 2D (dull), BA (bright annealed), HL (hairline), and No.4 (satin brushed). Premium options include colored mirror finishes in gold, sapphire, rose, black, and bronze, as well as colored brushed finishes for architectural decoration.
Q: Can you produce non-standard widths or thicknesses beyond your listed catalog?
A: Yes. Our cold rolling and slitting lines accommodate custom widths and thicknesses outside standard catalog sizes. Submit your drawing or specification and we confirm feasibility, lead time, and minimum order quantity for the non-standard request.
Q: Do your stainless steel coils meet European CE and EN standards for import?
A: Our products carry CE certification conforming to EN 10210 and EN 10219 where applicable, and every batch ships with an original mill test certificate. We also support SGS and BV third-party inspection for independent quality verification before shipment.
Q: How do you protect mirror and BA finishes during ocean freight?
A: BA and colored mirror coils receive PVC film lamination on the surface, waterproof paper wrapping, angle bar edge protection, and steel belt strapping on metal pallets. This combination prevents surface scratches, edge dents, and moisture contact during transit.
Secure Your Cold Rolled Stainless Steel Strip Coil Quotation Today
Send your grade, thickness, width, finish, and quantity to our sales team and receive factory-direct pricing with mill test certificates within twelve hours.
Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.sdxinjiyuan.com
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@sdxinjiyuan.com
