Description
Factory-Direct Stainless Strip — Spectrometer-Tested Chemistry on Every Heat
We run XRF analysis on every coil before release, shipping raw elemental data alongside the mill certificate so your port-side PMI matches the chemistry leaving our mill.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | 201/202/304/316/430/904L/310S/2205/2507/321 Stainless Steel Strip |
| Product Type | Steel Coil / Steel Strip |
| Steel Grade | 201, 202, 304, 304L, 316, 316L, 430, 436, 439, 409L, 904L, 310S, 2205, 2507, 321 |
| Standard | ASTM A240 / EN 10088 / JIS G4304 / JIS G4305 |
| Section Shape | Flat Strip / Coil |
| Size Range (Width) | 1000mm, 1219mm, 1500mm |
| Thickness | 0.2mm–3mm |
| Technique | Cold Rolled |
| Surface Treatment | 2B Finish |
| Application | Industrial fabrication / Chemical equipment / Food processing machinery / Architectural cladding / Automotive exhaust systems / Marine engineering / Pressure vessels |
| MOQ | 1 Ton |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Chemical & Petrochemical | Reactor linings, heat exchanger shells, piping wraps using 316L and 904L strip |
| Architectural & Decorative | Roof flashing, column cladding, elevator trim with 304 and 430 2B finish |
| Automotive & Exhaust | Muffler skins, exhaust manifold wraps, catalytic converter housings using 409L and 439 |
| Marine & Offshore | Ballast tank liners, deck hardware, saltwater piping using 2205 and 2507 duplex strip |
| Industrial Furnace | Radiant tubes, annealing baskets, furnace rollers using 310S and 321 |
| Food & Pharmaceutical | Processing tanks, conveyor belts, filling machine panels using 304 and 316L |
Why a Jebel Ali Re-Test Can Sink a Coastal Facade Project
Chemistry that drifts 0.5% nickel turns 304L into 201 — and customs holds the container for three weeks.
Global buyers sourcing austenitic, ferritic, and duplex grades from separate mills face a recurring nightmare: one supplier ships 304L with marginal nickel, another sends 2205 with insufficient chromium, and by the time a third-party lab flags the deviation at the destination port, the installation schedule has already collapsed. A 304 316 2205 stainless steel strip supplier who cannot prove heat-level chemistry with spectrometer data is selling certificates, not material. [NEED_CITE: PMI testing procedures for austenitic and duplex stainless steel verification]
Matching Strip Gauge and Grade to Corrosive and Thermal Environments
The 0.2mm–3mm thickness range in 2B finish covers everything from precision-slitted gasket stock to structural cladding panels. When a chemical plant specifies 904L for sulfuric acid service or a desalination EPC calls for 2507 duplex in high-chloride intake screens, the 304 316 2205 stainless steel strip supplier must hold certified inventory across austenitic, ferritic, and duplex families — not just the fast-moving 304 and 430. We keep 15 families in 1000mm, 1219mm, and 1500mm width coils, slit to order, so a single purchase order covers reactor wraps, exhaust skins, and marine fasteners without splitting shipments across three vendors.
Engineering Compliance Across ASTM, EN, and JIS Frameworks
Pressure vessel fabricators working to ASME Section II need ASTM A240 compliance with traceable heat numbers. European architectural specifiers demand EN 10088 with CE marking for structural cladding. Japanese machinery exporters require JIS G4304 or G4305 test reports for food-grade equipment. A 304 316 2205 stainless steel strip supplier serving multi-market buyers must issue mill certificates referencing the correct standard for each destination, and offer SGS or BV third-party witness when the end-user’s QA manual demands independent verification. [NEED_CITE: EN 10088 stainless steel grade designation and surface finish requirements]
Austenitic, Ferritic, and Duplex — Selecting the Right Microstructure
304 and 316L rely on austenitic structure for formability and general corrosion resistance; molybdenum in 316L adds pitting resistance in chloride environments. 430, 436, 439, and 409L are ferritic — magnetic, lower cost, excellent for automotive exhaust where high-temperature oxidation matters more than deep drawing. 2205 and 2507 duplex grades combine austenitic toughness with ferritic strength, delivering twice the yield of 304 in seawater-cooled condensers. 904L, with elevated copper and molybdenum, resists sulfuric and phosphoric acid. 310S and 321 handle continuous service above 800°C in furnace components. Choosing the wrong family — say, substituting 430 for 316L in a coastal handrail — guarantees rust staining within one wet season.
The Hidden Cost of Unverified Chemistry and Missing Heat Traceability
When a coil arrives at site without a legible heat number, or when the mill certificate lists nickel content that a handheld XRF gun contradicts, the project faces three outcomes: re-testing at the buyer’s expense, return freight that exceeds the material value, or — worst case — installation of off-spec material that fails during commissioning. Engineering standards from ASME to EN 1993-1-4 require documented traceability from heat to final component; a 304 316 2205 stainless steel strip supplier who cannot provide EN 10204 3.1 certificates or third-party inspection reports is transferring all downstream risk to the buyer. [NEED_CITE: ASME material traceability requirements for pressure-retaining stainless components]
Why Buyers Consolidate Stainless Procurement with Xin Jiyuan
We operate three cold-rolling lines producing over 20,000 tons monthly, holding 2,800+ specifications in ready stock — including slow-moving duplex and super-austenitic grades that trading companies rarely inventory. Every coil leaving our warehouse carries spectrometer-verified chemistry, with raw data printed on the mill test certificate. Our in-house lab tests chromium, nickel, molybdenum, and carbon on every heat before release; SGS and BV inspectors witness loading on request. Factory-direct pricing eliminates trader margins, and volume discount tiers reward long-term partners. Professional export documentation and container loading optimization ensure 2B finish surfaces arrive scratch-free, with edge protectors and moisture barriers for ocean transit.
Documentation & Compliance
- Mill Test Certificate per EN 10204 3.1 documenting chemical composition (Cr, Ni, Mo, C) and mechanical properties for 304L, 316L, 2205, and 904L grades per ASTM A240
- CE certificate confirming EN 10088 compliance for architectural and structural stainless strip entering European Union markets
- ISO 9001:2015 quality management certificate covering cold-rolling, annealing, and slitting processes
- SGS or BV third-party inspection report verifying chemistry, dimensions, and surface quality prior to container sealing
- Heat number traceability linking each coil to ladle analysis and rolling records for pressure vessel and marine applications
- Full customs document package including packing list, bill of lading, and certificate of origin for destination-port clearance
Packaging, Loading & Delivery
- Coils packed in seaworthy export bundles with steel strip banding, edge protectors, and VCI paper wrapping to preserve 2B finish during ocean transit
- 1000mm, 1219mm, and 1500mm width coils loaded with optimized weight distribution to maximize 20ft and 40ft container payload without exceeding port crane limits
- Slit-to-width orders bundled separately with heat number and grade stenciled on each package for site-level identification
- Surface protection including polyethylene film interleave available for 316L and 904L strip destined for architectural cladding to prevent contact corrosion
- FOB Qingdao, CIF destination port, or DDP door-to-door terms with real-time container tracking and consolidated multi-grade loading
- Typical production lead times of 8–14 days for standard grades in ready stock; 15–25 days for custom-slit duplex and super-austenitic orders
Getting a Firm Quote with Mill Certificates Attached
Send your specification sheet — grade, thickness, width, quantity, and destination port — and receive a bulk quotation with volume pricing, FOB/CIF terms, and sample mill test certificates within 12 hours. For non-standard slit widths or mixed-container orders combining 304, 316L, and 2205, our engineering team confirms feasibility and lead time before contract.
Frequently Asked Questions
Q: What is the difference between 304, 316L, and 2205 stainless steel strip for marine applications?
A: 304 offers general corrosion resistance but suffers pitting in saltwater; 316L adds molybdenum for improved chloride resistance; 2205 duplex provides superior strength and pitting resistance for high-salinity environments like offshore platforms and desalination intakes.
Q: Can you provide mill test certificates for 904L and 2507 super duplex grades?
A: Yes, every heat receives spectrometer analysis and EN 10204 3.1 mill test certificates documenting chemical composition; SGS or BV third-party inspection is available upon request for project-specific QA requirements.
Q: What surface finish options are available besides 2B?
A: We supply 2B, No.4, BA (bright annealed), and HL (hairline) finishes depending on application; 2B is standard for industrial fabrication, while No.4 and HL suit architectural cladding and decorative trim.
Q: Do you offer custom slitting for non-standard widths?
A: Yes, our slitting lines cut 1000mm, 1219mm, and 1500mm master coils to customer-specified widths; minimum order applies, and lead time extends for specialty grades like 904L or 2507.
Q: How do you ensure 2B finish quality during container loading?
A: Coils receive VCI paper wrapping, edge protectors, and polyethylene film interleave for sensitive grades; loading plans optimize weight distribution and prevent coil shifting during ocean transit.
Request Bulk Pricing and Spectrometer-Verified Mill Certificates
Submit your grade, thickness, width, and quantity via email or WhatsApp to receive factory-direct quotation with EN 10204 3.1 test reports and SGS/BV inspection options within 12 hours.
Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@sdxinjiyuan.com
