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What Is Stainless Steel Strip？
Product Definition：
Stainless steel strip is a thin, flat-rolled coil product manufactured from stainless steel through precision cold rolling processes. Unlike sheets (which are typically supplied in cut lengths), stainless steel strip is supplied in coil form with narrow widths, tight thickness tolerances, and excellent surface quality. It is the preferred raw material for high-volume stamping, forming, and spring manufacturing.
Key Characteristics：
| Feature | Description |
|---|---|
| Precision Thickness | Cold rolled to tight tolerances – as fine as ±0.002mm for precision applications |
| Wide Grade Range | Austenitic (301, 304, 316L), ferritic (430), martensitic (410, 420) – select by corrosion resistance and strength |
| Multiple Tempers | From fully annealed (soft, formable) to extra hard (spring temper, high strength) |
| Excellent Surface Quality | 2B, BA, No.4, HL, Mirror – choose by aesthetic and functional requirements |
| Custom Widths | Slit to customer-specified width – from 2mm to 600mm+ |
| Consistent Mechanical Properties | Uniform hardness and tensile strength across the entire coil length |
| Good Formability | Suitable for stamping, bending, deep drawing, and roll forming |
| 100% Recyclable | Environmentally friendly with no loss of properties |
Strip vs Sheet – Key Differences：
| Parameter | Stainless Steel Strip | Stainless Steel Sheet |
|---|---|---|
| Thickness | 0.02 – 6.0 mm | 0.3 – 6.0 mm |
| Width | 2 – 600+ mm (slit) | 1000 – 2500 mm |
| Form | Coil | Sheet (cut length) or coil |
| Tolerances | Tighter (±0.002–0.05mm) | Looser (±0.03–0.15mm) |
| Primary Use | Precision stamping, springs, electronic components | Fabrication, enclosures, structural |
| Surface Finish | 2B, BA, No.4, HL, Mirror | 2B, BA, No.1, No.4 |
Typical Applications by Industry：
| Industry | Applications | Recommended Grades | Recommended Temper |
|---|---|---|---|
| Electronics | Shielding, battery connectors, spring contacts, lead frames | 301, 304, 430 | 1/2H, 3/4H, FH |
| Automotive | Hose clamps, gaskets, seat belt springs, piston rings | 301, 304, 410 | 1/2H, FH, Spring |
| Medical | Surgical blades, guidewires, orthodontic wires, needles | 304, 316L | Annealed, 1/4H |
| Spring Manufacturing | Compression springs, extension springs, torsion springs | 301, 304, 420 | FH, EH, Spring |
| Consumer Goods | Razor blades, scissors, cutlery, hand tools | 420, 440C | Annealed, 1/2H |
| HVAC & Appliance | Heat exchanger fins, compressor valves, refrigerator parts | 304, 316L | Annealed, 1/4H |
| Construction | Trim, flashing, roofing details, expansion joints | 304, 430 | Annealed, 1/4H |
| Aerospace | Aircraft components, engine seals, fasteners | 301, 321, 310S | FH, Spring |
| Medical Devices | Surgical instruments, implantable device components | 316L, 304 | Annealed, Electropolished |
Key Specifications – Stainless Steel Strip
| Parameter | Specification / Range | Remarks |
|---|---|---|
| Standards | ASTM A240, A480, EN 10088-2, JIS G4305, GB/T 3280 | Others on request |
| Grade – Austenitic | 201, 301, 302, 304, 304L, 316L, 321, 310S, 317L | Most common for general use |
| Grade – Ferritic | 409, 430, 439, 441 | Cost-effective, magnetic |
| Grade – Martensitic | 410, 420, 420J1, 420J2, 431, 440C | Heat treatable, wear resistant |
| Grade – Duplex | 2205, 2507 | High strength, excellent SCC resistance |
| Thickness Range | 0.02 mm – 6.0 mm | Precision cold rolled |
| Width Range | 2 mm – 1250 mm (mill edge); 2 – 600 mm (slit edge) | Custom slitting available |
| Coil ID | 300 mm, 500 mm, 508 mm, or custom | – |
| Coil Weight | 100 kg – 10 tons per coil | Small coils available |
| Temper | Annealed, 1/4H, 1/2H, 3/4H, Full Hard (FH), Extra Hard (EH), Spring Hard (SH) | See Screen 4 for details |
| Surface Finish | 2B, BA, No.1, No.4, HL, Mirror (8K), Matte, Embossed | See Screen 7 for details |
| Edge | Slit edge (smooth, burr-free) or mill edge | Deburred available |
| Thickness Tolerance | ±0.002mm to ±0.05mm (depending on thickness) | Precision tolerance |
| Width Tolerance – Slit | ±0.05mm to ±0.20mm | – |
| Width Tolerance – Mill Edge | ±1mm to ±3mm | – |
| Density (304/316) | 7.93 g/cm³ | – |
| Density (430) | 7.70 g/cm³ | – |
| Testing | PMI, tensile, hardness, flatness, eddy current (optional) | Mill cert EN 10204 3.1 |
| Packaging | Coil on spool / plastic drum / wooden pallet, waterproof paper + steel straps | Seaworthy, ISPM 15 |
Wuxi Yansheng Technology Co., Ltd. – Company Profile
Wuxi Yansheng Technology Co., Ltd. is a comprehensive technology enterprise specializing in high-quality metal raw material supply and precision processing services. Located in Wuxi City, a major steel distribution center in China, the company leverages the mature industrial chain advantages of the Yangtze River Delta region to provide professional material solutions to global customers.
As a technology-driven enterprise, Yansheng Tech maintains strategic cooperation with several well-known steel mills (such as TISCO, Baosteel, JISCO, Dongfang Special Steel, etc.) and is an authorized distributor of these mills. Our main products include stainless steel (304/316/BA/EP pipe), carbon steel, silicon steel, copper, aluminum and other materials in the form of sheets, pipes, coils, as well as custom-processed parts.
Core Business Highlights:
Material Supply: We maintain sufficient stock inventory, offering 304/316 stainless steel sheets, pipes, coils, API 5L casing, electrical steel, and more. We also accept orders for special steel grades and non-standard specifications.
Precision Processing: Equipped with imported mirror polishing machines, water jet cutting machines, high-precision slitting/leveling lines, large CNC milling machines, boring machines, and more. We provide customized services including BA/EP pipe finishing, medium plate polishing, matte finishing, embossing, plasma cutting, etc.
Main Applications: Our products are widely used in industries such as solar energy, pressure vessels, boilers, electric heating equipment, petrochemicals, environmental protection machinery, pharmaceutical and food processing, and new energy vehicles.
Our processing center is located in Xishan District, Wuxi City, covering nearly 10,000 square meters, with an experienced technical and service team. We adhere to the business philosophy of "Technology First, Quality Oriented, Service Supreme" , providing 24/7 warehousing and logistics support as well as comprehensive after-sales service. Yansheng Tech is committed to being your trusted long-term partner.
Frequently Asked Questions (FAQ)
Q1. What products do you mainly supply?
We mainly supply stainless steel (304/316/BA/EP pipes), carbon steel, silicon steel, copper, aluminum, and other materials in sheets, pipes, and coils. Customized processing services are also available.
Q2. Do you have stock available?
Yes, we maintain sufficient stock for most standard specifications. For non-standard sizes, we can accept orders with reasonable lead time.
Q3. Can you provide MTC (Mill Test Certificate)?
Yes, we provide MTC for every shipment. Third-party inspection (SGS, TÜV, BV, etc.) is also available upon request.
Q4. Do you support video inspection before shipment?
Yes, we fully support video inspection. You can also arrange an agent or third party to visit our factory for on-site inspection before shipment.
Q5. What are your main export markets?
We export to Southeast Asia, the Middle East, Europe, Africa, and South America. We have rich experience in international trade and export documentation.
Q6. What payment terms do you accept?
We accept T/T (wire transfer), L/C at sight (irrevocable), and sometimes a combination of T/T deposit + L/C balance. Payment terms are negotiable based on order size and customer history.
Q7. Can you provide samples?
Yes, samples are available for most standard products. For custom sizes, we may need to produce small batch samples. Sample cost and shipping are usually borne by the customer, but can be discussed.
Q8. What is your typical lead time?
For stock items: 7–10 days after order confirmation. For custom production: 20–30 days, depending on the specification and quantity.
Q9. What quality certifications do you have?
We provide MTC with every shipment. Our partner mills are ISO9001 certified. We can also assist with third-party inspections (SGS, TÜV, BV) upon request.
Q10. How can I get a quotation?
Please send us your material grade, specification (size, thickness, length), quantity, and preferred trade term (FOB, CIF, DAP, etc.). We will reply with a detailed quotation within 24 hours.
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