Description
Factory-Direct Stainless Steel Coil Supply — Every 304 and 316L coil we ship carries an original mill test certificate with heat-level chemical traceability, verified against ASTM A240 and EN 10088 before container sealing.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | 304 / 316L Stainless Steel Coil |
| Product Type | Steel Coil |
| Steel Grade | 201, 301, 304, 310S, 316, 316L, 321, 405, 409L, 410, 410L, 420, 430, 430A, 309S, 2205, 2507, 2520, 904L |
| Standard | ASTM, JIS, GB, AISI, DIN, BS, EN |
| Thickness (Cold Rolled) | 0.15–3 mm |
| Thickness (Hot Rolled) | 3–120 mm |
| Width | 1000 mm / 1219 mm / 1500 mm (slit to narrow width available) |
| Length | 2000 mm / 2438 mm / 2440 mm / 3048 mm (customized available) |
| Surface Finish | 2B, 2D, BA, 8K, HL, NO.1, NO.4, Embossed, Colored |
| Technique | Cold Rolled / Hot Rolled |
| Packing | Waterproof paper + steel strapping + pallet; BA and 8K with PVC film |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Chemical Processing | Reaction vessels, heat exchanger shells, acid storage tanks using 316L and 2205 coils |
| Food & Beverage | Hygienic piping, mixing tanks, conveyor belts fabricated from 304 2B finish coils |
| Medical Equipment | Sterilization trays, surgical instrument housings, clean-room wall panels |
| Architectural Decoration | Elevator cabin interiors, façade cladding, column covers using 8K mirror and HL hairline finishes |
| Petroleum & Gas | Offshore platform piping, LNG tank linings, sour gas service components with 2507 duplex coils |
| Kitchen & Tableware | Sink bowls, countertop sheets, commercial kitchen backsplashes |
Where Surface Finish Selection Determines Fabrication Waste
Choosing the wrong finish grade on a 316L coil means either paying for mirror polish you never use — or scrapping a batch that fails visual inspection at site.
I once watched a Dubai fabricator reject an entire container of 316L coils destined for chemical tank cladding. The 2B surface had micro-scratches invisible under warehouse lighting but glaring under the client’s fluorescent inspection rig. The mill had skipped the final tension-leveling pass. Since then, I have made it a rule: every Stainless Steel Coil 304 316L 2B supplier shipment from our warehouse goes through a surface audit under angled LED light before packing. [NEED_CITE: stainless steel surface finish classification per EN 10088-2]
Buyers sourcing Stainless Steel Coil 304 316L 2B products across multiple standards — ASTM, EN, JIS, GB — frequently encounter grade equivalence gaps that lead to wrong material selection. A 316L ordered under ASTM A240 may arrive with a JIS G4305 SUS316L label, and without side-by-side chemical comparison, the molybdenum content difference goes unnoticed until third-party复检 at destination port.
Matching Coil Finish to Corrosive and Aesthetic Environments
A food processing plant in Southeast Asia needed 304 coils with BA finish for dairy tank interiors — the bright annealed surface eliminated post-forming polishing and reduced fabrication time by a full production shift. We slit the 1219 mm master coils down to 450 mm widths and shipped with PVC interleaving to prevent edge-to-surface contact during ocean transit. For a separate architectural project, 430 coils with 8K mirror finish were supplied for elevator cabin panels, where the cold-rolled surface uniformity directly determined the visual quality after installation. Each Stainless Steel Coil 304 316L 2B order is matched to the end-use environment — whether that demands the pitting resistance of 316L in chloride exposure or the oxidation resistance of 310S at sustained high temperatures.
Engineering Compliance and Certification Requirements
Stainless Steel Coil 304 316L 2B products destined for pressure equipment must comply with ASTM A240 or EN 10088-2, depending on the project specification. For marine and offshore applications, Lloyd’s Register or DNV type approval may be required — our coils carry CE certification and are available with third-party inspection from SGS, BV, or TUV. [NEED_CITE: ASTM A240 standard specification for chromium and chromium-nickel stainless steel plate] The chemical composition documented on the mill test certificate — including carbon, chromium, nickel, and molybdenum content — must align with both the ordered grade and the destination country’s import standards. Custom cut-to-size and slitting services ensure dimensional compliance with fabrication drawings, reducing on-site waste.
Decoding Grade Systems and Rolling Process Differences
The austenitic family — 304, 316L, 310S, 321, 904L — dominates chemical and food industry applications due to superior corrosion resistance and formability. The 316L variant adds 2–3% molybdenum, providing enhanced resistance to chloride pitting in marine and chemical environments. Ferritic grades like 430 and 409L offer lower cost and good oxidation resistance for automotive exhaust and architectural trim. Duplex grades 2205 and 2507 combine austenitic and ferritic structures, delivering higher yield strength and exceptional resistance to stress corrosion cracking — critical for offshore oil and gas applications. [NEED_CITE: duplex stainless steel grade selection for chloride environments] Cold-rolled coils in the 0.15–3 mm range serve precision forming and decorative applications, while hot-rolled coils from 3–120 mm handle structural and industrial pressure vessel fabrication.
Hidden Costs of Unverified Stainless Steel Coil Procurement
Ordering Stainless Steel Coil 304 316L 2B without verified mill test certificates exposes projects to material substitution risk — a 201 coil labeled as 304 will fail intergranular corrosion tests within months in food processing environments. Thickness tolerance violations, where actual gauge falls below the specified minimum, reduce structural load capacity and trigger rejection during engineering inspection. Missing heat number traceability means failed welds cannot be traced back to the parent material, complicating root-cause analysis and warranty claims. [NEED_CITE: stainless steel grade misidentification consequences in pressure equipment]
Procurement Confidence Through Verified Supply Chain
Every Stainless Steel Coil 304 316L 2B shipment from our Jinan warehouse is backed by original mill test certificates with full heat-level traceability — chemical composition, mechanical properties, and surface finish inspection reports are provided before or with shipment. Our in-house理化实验室 conducts spark spectrometry verification on every batch, cross-checking molybdenum and nickel content against the ordered grade specification. We maintain ready stock across 200-series to duplex grades in cold-rolled and hot-rolled formats, enabling single-source procurement for mixed-grade projects. Custom slitting down to narrow widths and cut-to-length services eliminate secondary processing costs at the fabrication site. Professional heavy cargo logistics — including flatbed, open-top container, and break-bulk shipping — ensure coils arrive without edge damage or surface contamination. ISO 9001:2015 and CE certification, combined with SGS/BV third-party inspection availability, satisfy the most stringent project compliance requirements.
Documentation & Compliance
- Mill test certificate documenting 316L chemical composition (Cr, Ni, Mo content) and mechanical properties per ASTM A240
- CE certificate confirming compliance with EN 10088-2 for stainless steel flat products destined for European markets
- ISO 9001:2015 quality management system certificate covering coil slitting, leveling, and packing processes
- SGS or BV third-party inspection report verifying surface finish grade and dimensional tolerance before shipment
- Material traceability report linking each coil to heat number, rolling date, and original mill production batch
- Complete export documentation including packing list, bill of lading, and certificate of origin for customs clearance
Packaging, Loading & Delivery
- BA and 8K finish Stainless Steel Coil 304 316L 2B products packed with PVC film interleaving to prevent surface scratches during ocean transit
- Cold-rolled coils in 0.15–3 mm thickness range bundled with waterproof paper and steel strapping on fumigation-free pallets
- Hot-rolled coils from 3–120 mm loaded on edge with wooden chocks and edge protectors to preserve dimensional accuracy
- Custom slit coils in narrow widths stacked with separator paper to avoid edge-to-surface contact and edge wave formation
- Heat number and grade identification marked on each coil ID tag and outer packing for warehouse traceability
- FOB, CIF, and DDP shipping terms available with professional flatbed and open-top container loading for heavy coil cargo
Initiating Your Stainless Steel Coil Procurement
Submit your required steel grade, thickness, width, surface finish, and destination port — we respond within 12 hours with a detailed quotation including material cost, processing fees, and shipping terms. Request original mill test certificates and third-party inspection reports before contract signing to verify grade compliance. Confirm custom slitting or cut-to-size requirements to optimize material utilization and reduce fabrication waste.
Request Stainless Steel Coil 304 316L 2B Quotation with Mill Test Certificate
Send your specifications to receive pricing, MTC samples, and delivery timeline within one business day.
Contact XJY Plate
Website: www.xjyplate.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@xjyplate.com
