304 Stainless Steel Flat Bar Metal Strip Sheet Foil Band Roll 10mm - 300mm Width

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Sale price$2.79 USD
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In stock (500 units), ready to be shipped

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Description

304 Stainless Steel Flat Bar Strip — Precision-Cut Metal Foil Roll for DIY & Fabrication

When a repair calls for a material that won't rust, warp, or corrode under pressure, most DIYers and fabricators hit the same wall: finding a stainless steel strip in exactly the thickness and width they need, without ordering a full sheet. This 304 stainless steel flat bar strip is stocked in an extensive range of sizes specifically for hobbyists, machinists, and tradespeople who need the right piece — not a compromise.

Each roll is cut from 304-grade austenitic stainless steel, offering a balanced combination of corrosion resistance, formability, and weldability. Widths span 10 mm (≈ 0.39 in) to 300 mm (≈ 11.81 in), and thickness options run from 0.01 mm (≈ 0.0004 in) to 1.0 mm (≈ 0.039 in). Every piece is sold in 1-meter lengths, making quantity planning straightforward.

Typical applications include shimming and leveling machinery, fabricating custom brackets and guards, lining or reinforcing surfaces in kitchen and bathroom renovations, wrapping pipe insulation, and crafting precision parts for model engineering. The thin-gauge options are also widely used as flexible spring stock and heat-shield foil in automotive DIY projects.

🔧 Compatibility: Suitable for welding (TIG/MIG), brazing, mechanical fastening, and adhesive bonding. Compatible with standard stainless steel cutting tools — tin snips, angle grinders, laser cutters, and waterjet. Not recommended for applications requiring magnetic permeability.

✅ Key Features of These 304 Stainless Steel Flat Bar Strips

🦠 Corrosion-Resistant 304 Grade — Contains 18% chromium and 8% nickel for reliable resistance to moisture, mild acids, and oxidation in both indoor and outdoor environments.

📏 Wide Size Matrix — Widths from 10 mm to 300 mm and thicknesses from 0.01 mm to 1.0 mm give you precise control over material weight and stiffness without custom cutting fees.

🔄 Sold by the Meter — Each variant ships as a 1-meter roll or flat strip, so you order exactly what the job requires and avoid waste from oversized sheet stock.

⚙️ Machinable & Weldable — 304 alloy responds well to TIG and MIG welding, bending, and drilling. Thin gauges (≤ 0.1 mm) can be cut cleanly with heavy-duty scissors or tin snips.

Smooth Mill Finish — The surface is clean and consistent, suitable for use as-is or as a base for brushing, polishing, or painting with appropriate stainless-compatible coatings.

🏗️ Versatile Across Trades — Used in HVAC ducting repairs, kitchen splashback fabrication, automotive heat shielding, model engineering, and general metalwork — one product, many applications.

📐 Technical Specifications — Stainless Steel Flat Bar Strip

Material 304 Austenitic Stainless Steel (18-8)
Width Range 10 mm – 300 mm (≈ 0.39 in – 11.81 in)
Thickness Range 0.01 mm – 1.0 mm (≈ 0.0004 in – 0.039 in)
Length per Unit 1 meter (≈ 39.37 in)
Finish Mill finish (2B or equivalent)
Chromium Content Typically 17.5–19.5%
Nickel Content Typically 8.0–10.5%
Tensile Strength Typically 515–720 MPa
Hardness Typically ≤ 200 HB (annealed)
Magnetic Non-magnetic (annealed condition)
Size (T×W×L) See variant options
Weight See variant options

❓ Frequently Asked Questions

How do I choose the right thickness for my project?

Thickness determines both flexibility and load-bearing capacity. For shimming, gaskets, or flexible spring applications, choose 0.05–0.2 mm. For structural brackets, guards, or rigid panels, 0.3–1.0 mm is more appropriate. If you need the strip to bend repeatedly without cracking, stay at or below 0.3 mm for widths over 50 mm.

Is 304 stainless steel strong enough for outdoor use?

Yes. 304 grade provides solid corrosion resistance in most outdoor environments, including rain, humidity, and mild coastal exposure. For highly saline or chloride-rich environments (e.g., direct ocean spray), 316 grade is generally recommended instead. For standard garden, rooftop, or exterior trim applications, 304 performs reliably.

Can I cut this strip with standard tools?

Thin gauges (0.01–0.15 mm) can be cut with heavy-duty scissors, a craft knife and straight edge, or tin snips. Gauges from 0.2–0.5 mm work well with aviation snips or an angle grinder with a stainless-rated cutting disc. For 0.6–1.0 mm, use an angle grinder, jigsaw with a metal blade, or waterjet for clean edges. Always deburr cut edges before handling.

Will this strip rust or stain over time?

304 stainless steel is highly resistant to rust under normal conditions. Surface discoloration (tea staining) can occur in environments with high chloride exposure if the surface is not cleaned periodically. Wiping with a mild detergent and water, or a dedicated stainless steel cleaner, restores the appearance. Avoid abrasive pads that scratch the surface and trap contaminants.

What width should I choose for a kitchen splashback or trim strip?

For edge trim and transition strips, 10–25 mm widths are most common. For partial splashback panels or decorative banding, 50–100 mm widths give good coverage without requiring multiple overlapping pieces. For full-width splashback sections, 150–300 mm widths reduce the number of joins. Pair with a 0.3–0.5 mm thickness for rigidity while still allowing minor bending to follow wall contours.

Can I weld this stainless steel strip?

Yes. 304 grade is one of the most weldable stainless alloys. TIG welding is preferred for thin gauges (under 0.5 mm) to control heat input and avoid warping. MIG welding works well for 0.5 mm and above. Use ER308L filler wire for best results. Avoid welding near painted or galvanized surfaces without proper ventilation.

Is the 1-meter length the only option, or can I get longer pieces?

Each variant listed is sold as a 1-meter length. If your project requires longer continuous runs, you can order multiple units of the same size and join them with a butt weld, overlap, or mechanical fastener depending on the application. Contact us if you need a custom length quote for larger quantities.

🛒 Select your Size (T×W×L) above, then add to cart.

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