Description
Factory-direct cold rolled stainless steel strip coil & plate — vertically integrated from raw slab to finished coil, with spectrometer-verified chemistry on every heat before shipment.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | 201/304/316L/430 Stainless Steel Strip Coil & Plate |
| Product Type | Stainless Steel Strip Coil / Stainless Steel Plate |
| Steel Grade | 201, 202, 304, 304L, 309, 309S, 310S, 316, 316L, 316Ti, 317L, 321, 347H, 409, 409L, 410, 410S, 420 (420J1, 420J2), 430, 436, 439, 441, 444, 446 |
| Thickness (Coil) | 0.3–14 mm |
| Thickness (Plate) | 0.3–80 mm |
| Width | 1000 mm / 1219 mm / 1250 mm / 1500 mm / 1524 mm / 1800 mm / 2000 mm or custom |
| Length | 2000 mm / 2440 mm / 2500 mm / 3000 mm / 3048 mm / 5800 mm / 6000 mm or custom |
| Surface Finish | 2B, 2D, HL (Hairline), BA (Bright Annealed), No.4; Gold/Sapphire/Rose/Black/Bronze mirror; Gold/Sapphire/Rose/Black brushed |
| Technique | Cold Rolled |
| Packing | Waterproof paper + metal pallet + angle bar protection + steel belt; BA & 8K with PVC film |
| Application | Industrial equipment / Food machinery / Mechanical & electrical industry / Household appliances / Home decoration & finishing / Architectural cladding & interior design |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Equipment | Chemical processing tanks, heat exchanger shells, conveyor belts, filtration housings |
| Food Machinery | Dairy processing lines, beverage filling equipment, commercial kitchen surfaces, cold storage panels |
| Mechanical & Electrical | Appliance cabinet panels, motor housings, control box enclosures, washing machine drums |
| Architectural & Interior | Elevator cabin cladding, column covers, wall panels, ceiling grids, decorative trim |
| Household Appliances | Range hoods, oven liners, dishwasher tubs, refrigerator side panels |
Why Paper Certificates Fail When Chemistry Doesn’t Match the Grade
A mill test certificate that looks flawless can still ship the wrong alloy — every heat needs actual spectrometer readings before it leaves the mill.
I once saw a 20-ton container of 304 stainless steel strip coils rejected at destination after SGS inspection revealed nickel content under 8%. Half the material was 201 grade mixed in. The MTC claimed full 304 compliance. The buyer’s project was delayed weeks, and the material had to be re-smelted. With cold rolled stainless steel strip coil & plate sourcing from overseas, chemical composition gaps between what the certificate says and what the spectrometer reads remain a persistent procurement risk — especially when the fabricator sources raw material from third-party traders rather than producing it in-house. [NEED_CITE: stainless steel grade misidentification risks in international trade]
Matching Alloy Composition to Corrosive and Decorative Environments
Cold rolled stainless steel strip coil & plate selection begins with the service environment. For food processing and chemical exposure, 304 and 316L provide reliable corrosion resistance through their chromium-nickel austenitic structure, with 316L offering superior chloride resistance via molybdenum addition. For architectural interiors where appearance drives specification, 430 ferritic grade delivers acceptable formability at lower cost, while mirror and brushed surface finishes on 304 or 201 substrates meet decorative cladding requirements. Our vertically integrated production line covers over 20 grades across austenitic, ferritic, and martensitic families — meaning the same facility that melts the slab controls the cold rolling reduction, annealing atmosphere, and surface finish consistency.
Engineering Compliance and Surface Integrity Across International Standards
Structural and sanitary applications demand documented compliance with material standards and surface finish specifications. Cold rolled stainless steel strip coil & plate supplied for food machinery must meet surface roughness and passivation requirements that prevent bacterial adhesion, while architectural panels specified for EU projects require full EN compliance documentation for customs clearance. Heat-resistant grades such as 309S and 310S serve furnace components and exhaust systems where oxidation resistance at elevated temperatures is critical. Third-party inspection by SGS, BV, or TUV is available at the buyer’s request, and material traceability runs from raw slab heat number through every cold rolling pass to the finished coil — eliminating the documentation gaps that cause customs holds. [NEED_CITE: stainless steel surface finish specifications for food contact applications]
Cold Rolling Precision, Grade Selection, and Surface Finish Control
Cold rolling reduces stainless steel strip to tight thickness tolerances while improving surface flatness and finish consistency. Austenitic grades (200 and 300 series) work-harden during cold reduction, requiring controlled inter-pass annealing to maintain formability — a process parameter that separates consistent suppliers from those producing brittle coils. Ferritic grades (400 series such as 430, 439, 441) offer lower nickel content and magnetic response, suited to appliance housings and automotive trim. Surface finishes range from standard mill outputs — 2B for general industrial use, BA for bright reflective interiors, HL for directional decorative grain — to premium colored mirror and brushed options, each protected with PVC film during transit to prevent scratching. Thickness from 0.3 mm to 14 mm in coil format and up to 80 mm in plate format covers virtually all fabrication requirements without secondary slitting or leveling.
Hidden Costs of Grade Substitution and Missing Traceability
Ordering 316L and receiving 304 with a forged certificate does not show up until the material fails pitting corrosion tests at the job site — or fails customs inspection when the importing country requires verified chemistry. [NEED_CITE: consequences of stainless steel grade substitution in engineered projects] Engineering rejection, project schedule delays, re-procurement at spot prices, and potential structural liability all trace back to a single procurement decision: choosing a supplier who cannot prove heat-level chemistry. With cold rolled stainless steel strip coil & plate, the cost of correcting a grade mismatch after shipment far exceeds the cost of requiring spectrometer-verified MTCs before loading.
Procurement Confidence Through Vertical Integration and In-House Testing
Our supply chain eliminates the gap between material supplier and fabricator — we operate our own steel production facility with dedicated cold rolling lines, meaning every coil and plate we ship carries full traceability from melt to finish. Our in-house laboratory runs spectrometer analysis on every heat before it enters the cold rolling schedule, not as an optional audit but as a mandatory production gate. With over 2,800 specifications across stainless and carbon steel products, we consolidate multi-grade orders into single-source shipments, reducing the procurement complexity of managing separate vendors for 304 coil, 316L plate, and 430 decorative strip. ISO 9001 certified quality management, combined with accepted third-party inspection protocols, ensures that the cold rolled stainless steel strip coil & plate you specify is the material that arrives.
Documentation & Compliance
- Mill Test Certificate documenting 304/316L chemical composition (Cr, Ni, Mo, C) and mechanical properties per applicable ASTM or EN standard, issued per heat number
- Third-party inspection report from SGS, BV, or TUV verifying grade compliance and surface finish quality at buyer’s request
- ISO 9001 quality management certificate covering cold rolling, annealing, and surface treatment processes
- Material traceability sheet linking each coil or plate to raw slab heat number, cold rolling pass schedule, and annealing batch
- Complete customs documentation including packing list, bill of lading, and certificate of origin for destination-country clearance
- Surface finish specification sheet confirming 2B, BA, HL, No.4, or decorative mirror/brushed finish with protective film details
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 deformation during ocean transit
- BA and 8K mirror finish coils and plates additionally wrapped with PVC film to protect reflective surfaces from scratching and fingerprint contamination
- Custom-width coils up to 2000 mm and plates up to 6000 mm length loaded with optimized container stowage plans to maximize 20ft and 40ft GP utilization
- Heat number and grade identification marked on each coil ID and plate surface with stenciled or labeled tags for site-level material traceability
- FOB, CIF, and DDP shipping terms available with professional oversized cargo handling and complete export documentation tracking to destination port
Requesting a Specification-Based Quotation with Verified Chemistry
Submit your project drawings or material schedule specifying steel grade, thickness, width, length, surface finish, and quantity — we respond within 24 hours with a detailed quotation including material cost, cold rolling and surface treatment charges, packing, and shipping to your destination port. For non-standard widths or decorative finishes, our engineering team confirms achievable tolerances and lead times before contract. Mill test certificates and third-party inspection arrangements are confirmed at the quotation stage, not after production begins.
Frequently Asked Questions
Q: What is the difference between 304, 316L, and 430 stainless steel strip coil for my application?
A: 304 is the general-purpose austenitic grade suitable for most industrial and food processing environments. 316L adds molybdenum for superior chloride and marine corrosion resistance. 430 is a ferritic grade with lower nickel content, suited to decorative and appliance applications where extreme corrosion resistance is not required.
Q: Can you provide custom widths outside the standard 1000–2000 mm range?
A: Yes. We slit cold rolled stainless steel strip coil to custom widths based on your fabrication requirements. Minimum order quantities depend on the width and thickness combination — contact us with your specification for confirmation.
Q: How do you ensure the material shipped matches the grade on the mill test certificate?
A: Every heat undergoes spectrometer analysis in our in-house laboratory before cold rolling begins. The resulting chemistry data is recorded on the mill test certificate issued with each shipment. Third-party inspection by SGS, BV, or TUV is available for buyer-verified confirmation.
Q: What surface finishes are available for architectural and decorative applications?
A: Standard finishes include 2B, 2D, BA, HL (Hairline), and No.4. Decorative options include gold, sapphire, rose, black, and bronze mirror finishes, as well as matching brushed variants. All BA and 8K finishes are protected with PVC film during packing and transit.
Q: Do you accept third-party inspection before shipment?
A: Yes. SGS, BV, and TUV inspections are accepted at the buyer’s request. Inspection scope can cover chemical composition verification, dimensional checks, surface finish quality, and packing condition before container loading.
Get Your Cold Rolled Stainless Steel Quotation with Full Chemistry Verification
Send your grade, dimension, surface finish, and quantity requirements to receive a detailed quotation with mill test certificate commitment within 24 hours.
Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.xjystructure.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@xjystructure.com
Address: No.11889, Jingshi West Road, Lulian Group, Jinan City, Shandong Province, China
