Description
Direct Mill Supply — Every coil shipped with original MTC and full heat-number traceability.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | 304 316 430 Stainless Steel Coil |
| Product Type | Steel Coil |
| Steel Grade | 304, 316, 430 |
| Technique | Cold Rolled |
| Surface Treatment | 2B Finish |
| Width | 1000mm / 1219mm / 1500mm |
| Thickness | 0.2mm–3mm |
| Application | Fabrication / Construction / Industrial Equipment / Decorative Applications |
| Origin | China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction & Architecture | Roofing cladding, wall panels, elevator interiors, column covers |
| Industrial Equipment | Tank shells, ductwork, conveyor guards, machine enclosures |
| Marine & Chemical | Pipework insulation jackets, splash-zone panels, fume extraction hoods |
| Decorative & Fabrication | Kitchen backsplashes, signage blanks, furniture frames, trim profiles |
Grade Mismatch Costs More Than the Coil Itself
Wrong stainless steel grade on a coastal project means visible rust within one monsoon season.
I have seen 316 coils swapped with 201 at loading ports — the surface looked perfect under warehouse lights, but a handheld XRF gun on the Jebel Ali dock told a different story. Buyers sourcing a 304 316 430 stainless steel coil supplier without verified mill certificates risk paying for nickel content that was never in the chemistry. Traceability gaps do not just fail inspection; they force full panel replacement after installation [NEED_CITE: stainless steel grade verification methods for procurement].
Matching Cold-Rolled Precision to Engineering Surfaces
The 2B finish delivers a smooth, semi-reflective surface that accepts further brushing, polishing, or direct installation without additional grinding. Cold-rolled thickness tolerance of 0.2mm–3mm holds consistent across 1000mm, 1219mm, and 1500mm widths — critical when fabricators are nesting parts from the same 304 316 430 stainless steel coil supplier batch and cannot afford gauge variation that jams press-brake tooling.
Corrosion Environments Dictate Grade Selection
304 handles atmospheric and mild chemical exposure; 316 adds molybdenum for chloride resistance in coastal or process-plant settings; 430 serves interior decorative work where cost matters more than corrosion duty. Selecting the correct grade against EN ISO 15510 or ASTM A240 equivalents avoids both over-specification waste and under-performance failure [NEED_CITE: stainless steel grade selection for corrosive environments]. CE marking and ISO 9001:2015 certification confirm that the mill chemistry matches the declared standard before the coil leaves Jinan.
Understanding Cold-Rolled 2B Finish and Gauge Control
Cold rolling reduces hot-rolled strip to final thickness through precision reduction passes, improving surface flatness and dimensional accuracy. The 2B finish is achieved by bright annealing followed by a final light skin-pass on polished rolls — it is smoother than No.1 but less reflective than BA, making it the preferred starting surface for further fabrication. Width options at 1000mm, 1219mm, and 1500mm let buyers minimize slit waste; 0.2mm–3mm thickness covers everything from decorative laminates to structural tank linings. Negative tolerance practices in the market can shave hundredths of a millimetre off every metre — our coils ship with measured gauge reports tied to the heat number.
Hidden Costs of Unverified Stainless Procurement
A coil labelled 316 that tests as 201 will corrode at weld zones within months — the replacement cost includes demolition, re-fabrication, and project delay penalties. Missing mill test certificates mean customs holds at destination ports, especially in markets requiring SGS or BV pre-shipment inspection [NEED_CITE: import documentation requirements for stainless steel flat products]. Buying from an unverified 304 316 430 stainless steel coil supplier saves pennies at purchase but costs dollars at handover.
Why Project Buyers Return to XJY Plate
Every coil we ship carries an original mill test certificate with heat number, chemical composition, and mechanical test results — verified in our own lab before release. We stock 304, 316, and 430 in cold-rolled 2B finish across all three standard widths, so you do not wait for a mill campaign to fill a partial requirement. Custom slitting to non-standard widths, levelling for flatness-critical applications, and blanking to sheet size are handled in-house. Third-party inspection by SGS or BV is arranged on request, with reports issued before container sealing. Our logistics team loads heavy coils in open-top containers or flatbed trailers with proper chocking — no coil-damage claims from improper stowage.
Documentation & Compliance
- Mill Test Certificate documenting 304 / 316 / 430 chemical composition and mechanical properties per ASTM A240 or EN ISO 15510
- ISO 9001:2015 quality management certificate covering cold-rolled stainless coil processing and dispatch
- CE certificate confirming conformity for European market delivery
- SGS or BV third-party inspection report available before shipment upon buyer request
- Full material traceability by heat number from slab to finished coil
- Export customs documents including packing list, bill of lading, and certificate of origin
Packaging, Loading & Delivery
- Cold-rolled 304 / 316 / 430 coils wrapped in waterproof kraft paper and outer steel sheet to protect the 2B surface during ocean transit
- Each coil tagged with heat number, steel grade, thickness, and width for site identification
- Coil eyes oriented for crane handling; wooden pallets or steel cradles used to prevent edge damage
- Slit coils bundled with steel straps and edge protectors to preserve surface finish
- Loading plans optimized for 20ft and 40ft containers based on coil weight and width to avoid overweight penalties
- FOB, CIF, and DDP terms available with full export documentation
Start Your Procurement With Verified Documentation
Send your required steel grade, thickness, width, coil weight, and destination port — we return a detailed quotation with material cost, processing fees, and shipping terms within 12 hours. Original mill test certificates are provided for review before or with shipment. Custom slitting and cut-to-length services are quoted alongside standard coil supply.
Request Your Quotation and Mill Test Certificate Today
Submit your specifications by email or WhatsApp to receive pricing, MTC samples, and delivery timelines.
Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.xjyplate.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@xjyplate.com
