Stainless Steel Strip Coil
Precision-processed stainless steel strips supplied in coil form — multiple grades, finishes and dimensional options for industrial and consumer applications.
Introduction
Stainless Steel Strip Coil is a specialized product created by processing stainless steel sheets into narrow, precision strips that are wound into coils. The manufacturing process typically involves hot rolling or cold rolling, followed by annealing, pickling, and slitting to achieve the desired thickness and width. These coils are supplied in a wide variety of grades, finishes, and dimensions, making them suitable for industries that require high strength, corrosion resistance, and aesthetic appeal.
Unlike ordinary steel strips, stainless steel strip coils contain chromium, nickel, and other alloying elements that form a protective oxide layer on the surface. This makes them highly resistant to rust, oxidation, and chemical damage. Depending on the grade chosen, strip coils can also offer heat resistance, magnetic properties, or excellent formability.
Thanks to their versatility, stainless steel strip coils are used in automotive, construction, chemical, food processing, electronics, and medical industries. They are valued not only for their mechanical strength but also for their clean, smooth surface finish that enhances both functionality and appearance.
Distinctive Characteristics
- Corrosion Resistance – Performs well in harsh environments exposed to moisture, chemicals, or saltwater.
- Mechanical Strength – Maintains structural integrity even under stress or heavy loads.
- Variety of Finishes – From matte to polished mirror surfaces to suit technical and decorative uses.
- Formability & Fabrication – Can be stamped, bent, or drawn without losing strength.
- Heat & Wear Resistance – Stable under high temperatures and repeated use.
- Hygienic – Non-porous surface prevents bacterial growth, ideal for food and medical equipment.
Size & Dimensional Range
- Thickness: 0.05 mm to 6.0 mm.
- Width: 5 mm to 1250 mm.
- Inner Diameter (ID): 200 mm, 300 mm, 400 mm (custom options available).
- Edge Condition: Mill Edge / Slit Edge.
Manufacturing & Tolerances
- Produced through hot rolled or cold rolled techniques depending on application needs.
- Slitting lines ensure narrow width accuracy with precise edge conditions.
- Tolerances conform to ASTM A480, JIS G4305, and EN standards.
- Surfaces undergo strict inspection for flatness, gloss, and defect-free finish.
Surface Finish Options
- 2B Finish – Smooth, reflective, versatile for general use.
- BA (Bright Annealed) – Shiny, bright, mirror-like appearance.
- No.4 Finish – Brushed, satin look, popular for kitchen equipment.
- Hairline Finish – Continuous fine lines, used in decorative panels.
- Mirror Finish – Highly polished, reflective, used in luxury and architectural projects.
Grades We Offer
201 / 202
Economical alternatives with moderate corrosion resistance.
304 / 304L
Most widely used grade, combining excellent corrosion resistance with versatility.
316 / 316L
Superior resistance to chlorides and marine environments.
409 / 410 / 430
Ferritic grades, offering good resistance at lower cost, widely used in automotive.
Applications
Industrial Applications
- Automotive – Exhaust systems, fuel tanks, trim parts, clamps.
- Chemical / Petrochemical – Heat exchangers, pressure vessels, chemical processing equipment.
- Electrical & Electronics – Precision springs, battery covers, shielding.
- Construction – Roofing, facades, structural supports.
Consumer Applications
- Household Appliances – Refrigerators, ovens, washing machines.
- Kitchenware – Sinks, cookware, utensils.
- Medical Sector – Surgical instruments, hospital tools.
- Furniture & Decorative – Architectural trims, nameplates, design elements.
Advantages of Stainless Steel Strip Coil
- Durability – Long service life in challenging environments.
- Maintenance-Free – No coatings or galvanization needed.
- Eco-Friendly – 100% recyclable without loss of quality.
- Dimensional Accuracy – Uniform thickness and consistent finish.
- International Standards – Compliant with ASTM, DIN, JIS, and EN norms.
Packaging & Supply
- Export-worthy packaging with wooden pallets, anti-rust wrapping, and steel strapping.
- Slit-to-width delivery options for custom applications.
- Available in coil form or cut-to-length sheets.
- Reliable supply network for both domestic and overseas markets.
Why Choose Us?
- Comprehensive inventory of multiple grades and sizes.
- Customized processing including slitting, polishing, and edge finishing.
- Fast delivery timelines supported by a strong logistics chain.
- Competitive pricing without compromising quality.
- Trusted by global clients for consistent performance and compliance with standards.
Common Grades and Composition
| Type | C | Mn | P | S | Si | Cr | Ni | Others |
|---|---|---|---|---|---|---|---|---|
| 201 | 0.15 | 5.5–7.5 | 0.06 | 0.03 | 1.00 | 16.0–18.0 | 3.5–5.5 | - |
| 202 | 0.15 | 7.5–10 | 0.06 | 0.03 | 1.00 | 17.0–19.0 | 4–6 | - |
| 301 | 0.20 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0–18.0 | 6.0–8.0 | NO.25 |
| 302 | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0–19.0 | 8–10 | Mo – 0.6 |
| 303 | 0.15 | 2.00 | 0.020 | 0.045 | 0.15 Min | 17.0–19.0 | 8–10 | NO.25 |
| 304 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0–20.0 | 8.0–10.5 | - |
| 304L | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0–20.0 | 8.0–12.0 | - |
| 309 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 22.0–24.0 | 12.0–15.0 | - |
| 309S | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 22.0–24.0 | 19.0–22.0 | - |
| 310 | 0.25 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0–26.0 | 19.0–22.0 | - |
| 310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.50–2.5 | 23.0–27.0 | 19.0–23.0 | - |
| 314 | 0.15 | 1.5 | 0.045 | 0.030 | 0.30 | 16.0–18.0 | 10.0–14.0 | Mo 2.0–3.0, NO.10 |
| 316 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0–18.0 | 10.0–14.0 | Mo 2.0–3.0, -0.10 |
| 316L | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0–18.0 | 10.0–14.0 | NO.10 Ti (C+N) Min, 0.70 Max |
| 317 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0–20.0 | 11.0–15.0 | Mo 3–4 |
| 317L | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0–20.0 | 11.0–15.0 | Mo 3.0–4.0, NO.10 |
| 321 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 17.0–19.0 | 9.0–12.0 | Ti 5(C+N) Min, 1.0 Max |
| Parameter | Range / Standard |
|---|---|
| Thickness | 0.05 mm – 6.0 mm |
| Width | 5 mm – 1250 mm |
| Coil Inner Diameter | 200 mm / 300 mm / 400 mm / Customized |
| Edge Condition | Mill Edge / Slit Edge |
| Surface Finishes | 2B, BA, No.4, Hairline, Mirror |
| Standards | ASTM, JIS, EN, DIN |
Processing & Services
- Precision slitting to customer-required widths
- Cut-to-length coils or sheets
- Polishing (Hairline, Mirror, Brushed finishes)
- Edge conditioning & deburring
- Protective film application for scratch-free delivery
Industries Served
- Automotive & Transportation
- Construction & Architecture
- Oil, Gas & Petrochemical
- Electrical & Electronics
- Food & Beverage
- Medical & Healthcare
- Household Appliances
Quality Assurance & Standards
- Compliance with ASTM, JIS, EN, DIN standards
- ISO 9001 certified manufacturing process
- In-house testing: thickness, flatness, surface finish, hardness
Export & Supply
- Export-ready packaging: wooden pallets, anti-rust wrapping, steel strapping
- Timely supply to domestic & international markets
- Flexible MOQ and custom packaging options
Frequently Asked Questions (FAQs)
- Can you supply customized widths and thicknesses?
- Yes, we offer slit-to-size coils and cut-to-length options.
- What finishes are available?
- 2B, BA, No.4, Hairline, and Mirror finishes.
- Is stainless steel strip coil suitable for food-grade applications?
- Yes, grades like 304/316 are hygienic, non-porous, and ideal for food processing.
- Do you provide protective film?
- Yes, optional protective films are available to prevent scratches during transportation.
- What is the lead time for orders?
- It depends on quantity and customization but generally 1-4 weeks for standard stock.
Stainless Steel Strip Coil – Thickness Tolerance Guide
The table below indicates the permissible variation in thickness for stainless steel strip coils depending on the nominal thickness and strip width. This ensures accurate specification compliance and uniformity for industrial applications.
Legend: T = Nominal Thickness (mm), W = Strip Width (mm), Tolerance Values = Allowable deviation in mm
| Nominal Thickness T (mm) | Tolerance W < 320 mm (mm) | Tolerance 320 ≤ W < 600 mm (mm) | Tolerance T3 (mm) | Tolerance T4 (mm) |
|---|---|---|---|---|
| < 0.05 | ±0.003 | ±0.004 | ±0.003 | ±0.002 |
| 0.05 – 0.069 | ±0.004 | ±0.005 | ±0.004 | ±0.003 |
| 0.07 – 0.079 | ±0.005 | ±0.006 | ±0.005 | ±0.003 |
| 0.08 – 0.099 | ±0.005 | ±0.007 | ±0.005 | ±0.003 |
| 0.10 – 0.129 | ±0.006 | ±0.009 | ±0.007 | ±0.004 |
| 0.13 – 0.149 | ±0.007 | ±0.010 | ±0.008 | ±0.004 |
| 0.15 – 0.199 | ±0.008 | ±0.011 | ±0.009 | ±0.004 |
| 0.20 – 0.249 | ±0.008 | ±0.013 | ±0.010 | ±0.005 |
| 0.25 – 0.299 | ±0.009 | ±0.015 | ±0.011 | ±0.005 |
| 0.30 – 0.349 | ±0.010 | ±0.016 | ±0.012 | ±0.005 |
| 0.35 – 0.399 | ±0.010 | ±0.018 | ±0.012 | ±0.005 |
| 0.40 – 0.499 | ±0.012 | ±0.020 | ±0.015 | ±0.005 |
| 0.50 – 0.599 | ±0.013 | ±0.022 | ±0.018 | ±0.005 |
| 0.60 – 0.699 | ±0.015 | ±0.024 | ±0.020 | ±0.005 |
| 0.70 – 0.799 | ±0.017 | ±0.026 | ±0.022 | ±0.005 |
| 0.80 – 0.899 | ±0.018 | ±0.028 | ±0.024 | ±0.006 |
| 0.90 – 0.999 | ±0.020 | ±0.032 | ±0.027 | ±0.008 |
| 1.00 – 1.199 | ±0.022 | ±0.035 | ±0.030 | ±0.008 |
| 1.20 – 1.399 | ±0.025 | ±0.040 | ±0.035 | ±0.010 |
| 1.40 – 1.599 | ±0.030 | ±0.045 | ±0.040 | ±0.020 |
Notes on Thickness Tolerance
- Tolerances may vary slightly depending on manufacturing process (cold rolled vs hot rolled).
- Wider strips generally have higher allowable deviations due to rolling mechanics.
- Ensure that final product meets customer-specific tolerances for critical applications.
Visit Our Office
704 A, 7th Floor, Earth Darshan
SVP Road, 8th, Nanubhai Desai Rd,
Girgaon, Mumbai,
Maharashtra 400004
SVP Road, 8th, Nanubhai Desai Rd,
Girgaon, Mumbai,
Maharashtra 400004
Mail Us
Call Us
+91 95500 20403
+91 98207 37002
Countries We Export
Italy, Japan, Lithuania, Mexico, Bahrain, Vietnam, Serbia, Venezuela, Nigeria,
Kuwait, Gambia, Nepal, Slovakia, Iraq, Croatia, Spain, Austria, Puerto Rico,
Switzerland, Canada, Indonesia, Taiwan, Estonia, Malaysia, Iran, Bangladesh,
Israel, Poland, Lebanon, South Africa, Pakistan, Namibia, and the United Kingdom.
Product & Material
Products
- Stainless Steel Pipe Fittings
- Stainless Steel Strip Coil
- Stainless Steel Hex Nuts
- Stainless Steel Hex Bolts
- Stainless Steel Flanges
- Stainless Steel Seamless / ERW Pipes
- Stainless Steel Stud Bolts
- Stainless Steel Threaded Rod
- Stainless Steel Flat Washers
- Stainless Steel Machine Screw