Description
Direct Mill Supply with Full Traceability — every Cold Rolled 304L 316L Stainless Steel Coil shipment is spectrometer-tested in-house before dispatch, eliminating grade mismatch risks at destination ports.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | 304L 316L Stainless Steel Coil |
| Product Type | Stainless Steel Coil |
| Steel Grade | 304L, 316L, 201, 301, 304, 310S, 316, 321, 405, 409L, 410, 410L, 420, 430, 430A, 309S, 2205, 2507, 2520, 904L |
| Standard | ASTM, JIS, GB, AISI, DIN, BS, EN |
| Section Shape | Coil / Sheet / Plate / Strip |
| Thickness | Cold rolled 0.15–3mm; Hot rolled 3–120mm |
| Width | 1000mm / 1219mm / 1500mm (slit to narrow width available) |
| Length | 2000mm / 2438mm / 2440mm / 3048mm or customized |
| Technique | Cold Rolled / Hot Rolled |
| Surface Treatment | 2B, 2D, BA, 8K, HL, No.4, Embossed, Colored, Short/Long Wire Drawing |
| Application | Construction & architectural decoration, kitchen utensils, medical equipment, food industry, chemical equipment, petroleum industry, storage tanks, elevator interiors, table-wares |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction & Architectural Decoration | Curtain wall framing, elevator interior panels, facade cladding, decorative ceiling systems |
| Food & Medical Equipment | Hygienic processing tables, surgical instrument trays, food-grade storage vessels |
| Chemical & Petroleum | Corrosion-resistant storage tanks, pipeline cladding, heat exchanger shells |
| Kitchen & Tableware | Commercial kitchen countertops, sink basins, cutlery blanks |
Why Grade Confusion Between 304L and 316L Still Causes Rejection at Customs
The difference is molybdenum content — and it decides whether your coil survives a chloride environment or corrodes within months.
Procurement teams routinely order 304L for coastal facade panels or chemical tank linings, only to discover on-site that the material lacks the molybdenum addition required for pitting resistance. The mill certificate looked correct, but the alloy composition did not match the service environment. A Cold Rolled 304L 316L Stainless Steel Coil shipment that passes visual inspection can still fail spectrometer analysis at the destination port if the nickel or molybdenum content falls below the ASTM A240 minimum. [NEED_CITE: ASTM A240 chromium-nickel stainless steel plate and sheet requirements]
Matching Surface Finish to Architectural and Industrial Environments
Choosing the right surface finish on a Cold Rolled 304L 316L Stainless Steel Coil determines both corrosion performance and visual acceptance on project sites. A 2B finish suits concealed structural components inside curtain wall systems, while an 8K mirror or HL hairline finish is specified for visible elevator interiors and facade panels where reflection consistency matters. For food processing and medical equipment, a No.4 satin finish provides the uniform roughness needed for cleaning validation. Our in-house physical and chemical laboratory verifies both composition and surface integrity before any Cold Rolled 304L 316L Stainless Steel Coil leaves the mill, so the finish you specify is the finish that arrives.
Engineering Compliance Across ASTM, EN, and JIS Frameworks
A Cold Rolled 304L 316L Stainless Steel Coil ordered under ASTM A240 must demonstrate equivalent chemistry when cross-referenced against EN 10088 or JIS G4304 — and this equivalence is where many orders encounter delays during EU or Middle East customs clearance. [NEED_CITE: stainless steel grade equivalence between ASTM and EN standards] Structural engineers specifying 316L for coastal construction in the Gulf need documented proof that the molybdenum content meets the 2.0–3.0 percent range required by EN 10088-2, not just a generic “316L” label on the packing slip. Our mill test certificates list full chemical composition and mechanical properties per the standard specified in the purchase order, and third-party inspection through SGS or BV can be arranged before container sealing. For projects requiring CE marking under construction product regulations, we provide the necessary declaration of performance documentation.
Understanding the Cold Rolling Process and Its Impact on Thickness Precision
Cold rolling reduces annealed stainless steel slab to precise thicknesses between 0.15mm and 3mm through a series of reduction passes at room temperature, producing a smoother surface and tighter dimensional tolerance than hot rolling. This process also increases yield strength through strain hardening, which matters when a Cold Rolled 304L 316L Stainless Steel Coil is slit into narrow strips for precision-formed architectural profiles. The austenitic grades — 304L, 316L, 321, 310S — retain ductility after cold reduction, making them suitable for deep-drawing operations in elevator panel fabrication. Ferritic grades like 430 and 409L offer lower cost for interior applications where chloride exposure is minimal, while duplex grades 2205 and 2507 provide superior stress corrosion cracking resistance for offshore and chemical plant environments. [NEED_CITE: cold rolling effect on austenitic stainless steel mechanical properties]
The Hidden Cost of Unverified Material in Facade and Pressure Applications
Ordering a Cold Rolled 304L 316L Stainless Steel Coil without independent chemical verification creates three categories of downstream risk: structural rejection when on-site spectrometer testing reveals off-spec nickel or chromium, customs detention when the mill test certificate does not reference the correct ASTM or EN standard, and accelerated corrosion when 304L is substituted for 316L in chloride-bearing environments. [NEED_CITE: consequences of stainless steel grade misidentification in construction] A single container of mislabeled coil can halt an entire facade installation schedule, forcing the contractor to either accept non-conforming material or wait weeks for replacement shipment — costs that far exceed any initial price saving from an unverified source.
Procurement Confidence Through In-House Testing and Certified Documentation
Every Cold Rolled 304L 316L Stainless Steel Coil we supply undergoes spectrometer analysis in our own physical and chemical laboratory before release, with results documented on the mill test certificate provided with each shipment. We maintain ISO 9001:2015 certified quality management and hold CE certification under EN 10210/EN 10219 for structural steel products exported to European markets. Our production covers 2,800+ specification combinations across multiple steel families, and we have arranged SGS and BV third-party inspections for clients requiring independent verification before container loading. For projects in the EU, Middle East, and Southeast Asia, we provide complete export documentation including certificate of origin, packing lists, and material traceability by heat number — ensuring that your Cold Rolled 304L 316L Stainless Steel Coil clears customs without delay.
Documentation & Compliance
- Mill test certificate documenting 304L and 316L chemical composition including nickel, chromium, and molybdenum content per ASTM A240 or EN 10088
- CE declaration of performance for stainless steel coil supplied under EN 10088 for construction products entering EU markets
- ISO 9001:2015 quality management certificate covering the full production and inspection process
- SGS or BV third-party inspection report verifying chemical composition and surface finish before shipment
- Material traceability linking each Cold Rolled 304L 316L Stainless Steel Coil to its original heat number and production batch
- Complete customs documentation including commercial invoice, packing list, bill of lading, and certificate of origin
Packaging, Loading & Delivery
- Cold rolled coils packed in seaworthy export packaging with steel strip binding and moisture-resistant paper wrapping to protect the 2B, BA, or 8K surface finish during ocean transit
- Edge protectors applied to coil sides to prevent edge wave damage on 0.15–3mm thickness material during forklift handling and container loading
- Professional container loading with wooden cradles and anti-roll bracing to prevent coil shifting and surface scratching for 1000mm, 1219mm, and 1500mm width coils
- Custom slit widths and cut-to-length sheets available from master coil, with heat number and grade identification marked on each piece for site traceability
- FOB, CIF, and DDP shipping terms available with full tracking until arrival at destination port or project site
- Typical production lead times apply for custom surface finishes including embossed, colored, and wire drawing treatments
Submit Specifications to Receive Quotation and Mill Test Certificate
Send your required steel grade, thickness, width, surface finish, and quantity to receive a detailed quotation with unit pricing and production timeline. We will include a sample mill test certificate format for your approval before production begins, and can arrange third-party inspection for orders requiring independent verification.
Request Your Cold Rolled 304L 316L Stainless Steel Coil Quote Today
Contact our team with your project specifications to receive pricing, certification details, and delivery schedule within 12 hours.
Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.sdxjypipe.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@sdxjypipe.com
Address: No.11889, Jingshi West Road, Lulian Group, Jinan City, Shandong Province, China
Frequently Asked Questions
Q: What is the difference between 304L and 316L for coastal construction projects?
A: 316L contains 2.0–3.0 percent molybdenum, which provides superior resistance to pitting corrosion in chloride environments such as coastal facades and marine structures. 304L is suitable for inland architectural applications where chloride exposure is minimal. We provide full chemical composition reports so you can verify the molybdenum content matches your project specification.
Q: Can you provide custom slit widths from the master coil?
A: Yes, we offer slit-to-width services from 1000mm, 1219mm, and 1500mm master coils down to narrow strip widths as required for your fabrication process. Each slit coil retains full heat number traceability and is supplied with edge protection to preserve surface quality during transit.
Q: What surface finishes are available for architectural decoration?
A: We supply Cold Rolled 304L 316L Stainless Steel Coil in 2B, 2D, BA, 8K mirror, HL hairline, No.4 satin, embossed, colored, and short or long wire drawing finishes. Each finish is produced under controlled conditions to ensure visual consistency across multiple coils for large facade or elevator interior projects.
Q: Which certifications do you provide for EU market clearance?
A: We hold ISO 9001:2015 certification and CE marking under EN 10210/EN 10219 for structural steel products. For stainless steel coil, we provide mill test certificates conforming to ASTM A240 or EN 10088 as specified, and can arrange SGS or BV third-party inspection for independent verification before shipment.
Q: How do you ensure material traceability and prevent grade mixing?
A: Every coil is assigned a unique heat number at the melting stage, and this number appears on the mill test certificate, coil identification tag, and shipping documents. Our in-house laboratory performs spectrometer verification on each heat before release, and third-party inspection can witness the testing process for clients requiring additional assurance.
Verify Material Composition Before Your Next Order
Submit your Cold Rolled 304L 316L Stainless Steel Coil specifications today and receive a detailed quotation with sample mill test certificate format within 12 hours.
Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.sdxjypipe.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@sdxjypipe.com
