304 Stainless Steel Plate Sheet/Polished Plate/Solid Metal Board Thick 0.6mm~5mm

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304 Stainless Steel Plate Sheet/Polished Plate/Solid Metal Board Thick 0.6mm~5mm

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Size(Width * Length): 100mm*100mm

Thickness: 0.6mm

Amount: 1 Pcs

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$7.11 USD

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In stock (500 units), ready to be shipped

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304 Stainless Steel Plate Sheet — Polished Solid Metal Board for Fabrication & DIY Repair

When a project demands a flat, rigid metal surface that holds its shape under load, finding the right thickness and size without ordering a full industrial sheet is a real challenge. Whether you are a hobbyist machinist, a workshop fabricator, or a home DIYer tackling structural repairs, this 304 stainless steel plate sheet gives you the exact dimensions you need without excess waste.

Each piece is a solid 304-grade stainless steel board, available in widths from 100 mm (approx. 3.94 in) to 300 mm (approx. 11.81 in) and lengths from 100 mm to 300 mm (approx. 3.94–11.81 in). Thickness options span 0.6 mm through 5 mm (approx. 0.024–0.197 in), covering everything from thin shim stock to structural plate. The surface carries a polished finish that reduces surface oxidation and makes cleaning straightforward.

Typical applications include custom bracket fabrication, machine base plates, protective wear plates in enclosures, DIY kitchen backsplash panels, and corrosion-resistant repair patches for outdoor equipment. Builders sourcing a stainless steel flat plate for welding projects or engineers needing a 304 SS solid metal board for precision fixtures will find the variant matrix covers the most common cut sizes.

⚙️ Compatibility Note: These plates are undrilled solid stock. They are compatible with standard metalworking tools including angle grinders, drill presses, and TIG/MIG welders rated for 304 stainless. Confirm your required size and thickness using the variant selectors above before ordering.

✅ Key Features of These 304 Stainless Steel Plate Sheets

🔩304 Stainless Steel Grade — Contains 18% chromium and 8% nickel for reliable corrosion resistance in both indoor and outdoor environments, including exposure to moisture and mild chemicals.
📏Wide Size Matrix — Five width × length combinations (100×100 mm up to 300×300 mm) paired with nine thickness options (0.6 mm–5 mm) let you select the exact stock size your project requires.
✨Polished Surface Finish — The smooth, polished face reduces surface roughness, making the plate easier to clean, weld, and coat compared to mill-scale finishes.
🏗️Solid Full-Thickness Stock — No hollow core or laminate construction. Each board is solid through its entire cross-section, suitable for load-bearing brackets, shims, and structural patches.
✂️Machinable & Weldable — 304 SS cuts cleanly with carbide tooling and accepts TIG and MIG welding with ER308L filler. Suitable for secondary operations such as drilling, bending, and grinding.
📦Single-Piece Ordering — Each variant is sold per piece, so you order only what you need. Ideal for prototyping, one-off repairs, and small-batch fabrication without minimum order quantities.

📐 Technical Specifications — Stainless Steel Plate Sheet

Material	304 Stainless Steel (18-8)
Surface Finish	Polished
Width Options	100 mm, 200 mm, 300 mm (approx. 3.94 in, 7.87 in, 11.81 in)
Length Options	100 mm, 200 mm, 300 mm (approx. 3.94 in, 7.87 in, 11.81 in)
Thickness Options	0.6 mm, 0.8 mm, 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm
Form	Flat solid plate / sheet
Holes / Cutouts	None (undrilled solid stock)
Quantity per Order	1 piece
Weight	See variant options
Tensile Strength (typical)	515 MPa (74,700 psi) — 304 SS standard
Yield Strength (typical)	205 MPa (29,700 psi) — 304 SS standard
Hardness	Typically 70 HRB (304 SS annealed)

❓ Frequently Asked Questions

How do I choose the right thickness for my project?

For light shims, gaskets, or decorative panels, 0.6–1 mm is typically sufficient. For structural brackets, machine bases, or wear plates that must resist bending under load, 2–5 mm is the more appropriate range. If you are unsure, calculate the expected load and consult a basic beam-deflection formula, or contact us with your application details.

Is 304 stainless steel strong enough for load-bearing applications?

304 stainless steel has a tensile strength of approximately 515 MPa and a yield strength of around 205 MPa. For most DIY brackets, enclosure panels, and light structural repairs, this is more than adequate. For heavy structural or high-temperature applications above 870 °C (1600 °F), consider 316 or 310 grade instead.

Will this plate rust or corrode outdoors?

304 stainless steel resists rust in most outdoor environments due to its chromium oxide passive layer. However, in coastal or high-chloride environments (salt spray, de-icing salts), surface staining or pitting can occur over time. For marine or heavily chloride-exposed applications, 316 stainless steel offers better chloride resistance.

Can I weld or cut this plate with standard tools?

Yes. 304 SS welds well with TIG or MIG processes using ER308L filler wire. It can be cut with an angle grinder fitted with a stainless-rated cutting disc, a plasma cutter, or a waterjet. Avoid using carbon steel tools without cleaning them first, as embedded iron particles can cause surface rust spots.

What size should I order if I need a custom dimension?

Order the next size up from your required dimension and trim to fit using an angle grinder or metal shear. For example, if you need a 180×180 mm piece, order the 200×200 mm variant and cut down. This approach avoids gaps caused by under-sizing.

Is the polished finish on both sides?

The polished finish is applied to the face surface. The reverse side and edges may show a mill or cut finish depending on the specific piece. If a mirror finish on both faces is required, please contact us to confirm availability before ordering.

How is the plate packaged to prevent scratching during transit?

Plates are wrapped in protective film or interleaved paper to prevent surface contact scratches during handling and transit. If you receive a piece with transit damage, please photograph it and contact us within 48 hours of delivery.

🛒 Select your Size and Thickness above, then add to cart.

304 Stainless Steel Plate Sheet/Polished Plate/Solid Metal Board Thick 0.6mm~5mm

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Description

304 Stainless Steel Plate Sheet — Polished Solid Metal Board for Fabrication & DIY Repair

✅ Key Features of These 304 Stainless Steel Plate Sheets

📐 Technical Specifications — Stainless Steel Plate Sheet

❓ Frequently Asked Questions

304 Stainless Steel Plate Sheet/Polished Plate/Solid Metal Board Thick 0.6mm~5mm

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