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home > A2 Stainless Steel Round Discs — Metal Blanks OD 50–450mm, Thickness 5–20mm > A2 Stainless Steel Round Discs — Metal Blanks OD 50–450mm, Thickness 5–20mm

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A2 Stainless Steel Round Discs — Metal Blanks OD 50–450mm, Thickness 5–20mmA2 Stainless Steel Round Discs Versatile Metal Blanks for Fabrication, DIY & Engineering Whether you're fabricating custom brackets, building furniture bases, creating art installations, or prototyping mechanical components, finding flat metal blanks in the exact size you need without paying for full sheet offcuts is a constant frustration. These A2 stainless steel round discs are precision cut to size, so you get exactly what your project calls for

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A2 Stainless Steel Round Discs — Versatile Metal Blanks for Fabrication, DIY & Engineering

Whether you're fabricating custom brackets, building furniture bases, creating art installations, or prototyping mechanical components, finding flat metal blanks in the exact size you need — without paying for full sheet offcuts — is a constant frustration. These A2 stainless steel round discs are precision-cut to size, so you get exactly what your project calls for without waste or extra machining.

Each disc is cut from A2 (304-grade) stainless steel, offering a reliable combination of strength and corrosion resistance. Available in outer diameters from 50mm (≈2.0") to 450mm (≈17.7") and thicknesses from 5mm (≈3/16") to 20mm (≈25/32"), these blanks cover a wide range of fabrication needs. Smaller discs (50–100mm) are available in packs of 2 or 4 for multi-point applications; larger sizes are sold individually.

Typical use cases include base plates and leveling feet for furniture or machinery, circular flanges and end caps for pipe or tube assemblies, decorative medallions and architectural metalwork, and custom washers or spacers for heavy-duty fastening applications — all scenarios where a stainless steel round disc blank saves significant time over cutting from sheet stock.

ℹ️ Compatibility Note: These discs are supplied as undrilled blanks. No holes, threads, or cutouts are pre-machined. Suitable for metric and imperial fabrication workflows — drill, tap, or machine to your own specification.

✅ Key Features of These A2 Stainless Steel Round Disc Blanks

🔩A2 (304) Stainless Steel Construction — Delivers solid corrosion resistance for indoor, outdoor, and mildly humid environments without the cost of exotic alloys.
📐Wide Size Range in One Listing — Diameters from 50mm to 450mm and thicknesses from 5mm to 20mm let you source the exact stainless steel disc blank your project needs.
✂️Precision-Cut Circular Profile — Clean, consistent outer diameter on every disc means less prep work before drilling, welding, or surface finishing.
🏗️Machinable & Weldable — Compatible with standard TIG/MIG welding and drillable with carbide tooling, making these blanks ready for custom fabrication workflows.
📦Flexible Pack Quantities — Smaller discs ship in packs of 2 or 4 for multi-point mounting or prototyping; larger discs are sold individually to keep shipping practical.
🚚Ships from US Warehouse — Faster domestic delivery compared to overseas suppliers, with no customs delays for US-based fabricators and DIYers.

📐 Technical Specifications — A2 Stainless Steel Round Disc Blanks

Material	A2 Stainless Steel (304 grade equivalent)
Outer Diameter (OD) Range	50mm (≈2.0") to 450mm (≈17.7")
Thickness Range	5mm (≈3/16") to 20mm (≈25/32")
Shape	Round / Circular disc blank
Holes / Threads	None — supplied as undrilled blanks
Surface Finish	Mill / saw-cut finish (unpolished)
Pack Quantity Options	1 pc, 2 pcs, or 4 pcs (varies by size — see variant options)
Tensile Strength (typical)	≈515 MPa (74,700 psi)
Yield Strength (typical)	≈205 MPa (29,700 psi)
Corrosion Resistance	Good — suitable for general outdoor and mildly corrosive environments
Weldability	Yes — TIG/MIG compatible with appropriate filler
Country of Origin	See variant options

⚠️ Sizing Tip: If you need a specific diameter not listed, or require a drilled/tapped version, contact us to confirm availability before ordering.

❓ Frequently Asked Questions

How do I choose the right diameter and thickness for my project?

Match the outer diameter (OD) to the footprint your project requires — for example, a 100mm (≈3.94") disc suits most medium bracket or flange applications. For thickness, thicker discs (12mm+) are generally used where structural rigidity matters, while thinner discs (5–8mm) work well for decorative or lightweight load-bearing uses. When in doubt, go one size up in thickness for a safety margin.

What load or clamping force can these discs handle?

A2 (304) stainless steel has a typical tensile strength of around 515 MPa and yield strength of approximately 205 MPa. Actual load capacity depends on disc diameter, thickness, and how the disc is supported or fastened. For critical structural applications, consult an engineer to confirm suitability.

Are these discs suitable for outdoor or marine environments?

A2 stainless steel offers good corrosion resistance in most outdoor and mildly corrosive environments. It is generally suitable for garden, architectural, and light marine use. For highly aggressive saltwater or chemical environments, A4 (316) grade is typically recommended instead.

What thread or fastener standards are compatible with these discs?

These discs are supplied as undrilled blanks. Any hole pattern, thread size, or fastener interface must be machined or drilled by the end user to match their specific requirements — metric (ISO) or imperial (UNC/UNF) as needed.

Can I cut, weld, or machine these discs?

Yes. A2 stainless steel is generally machinable, weldable, and can be drilled or ground with appropriate tooling. Use carbide-tipped bits and cutting fluid for best results when drilling. Welding is possible with standard TIG or MIG processes using compatible filler wire.

How do I select the right pack quantity?

Smaller diameter discs (50–100mm) are available in packs of 2 or 4, which suits prototyping or multi-point mounting applications. Larger discs (150mm and above) are typically sold individually due to their weight and size. Select the pack that matches your project quantity to avoid unnecessary surplus.

What is the surface finish on these discs?

These discs are supplied with a mill or saw-cut finish typical of precision-cut stainless steel blanks. Faces and edges may show light machining marks. If a polished or brushed finish is required, additional surface finishing by the end user is recommended.

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.

A2 Stainless Steel Round Discs — Metal Blanks OD 50–450mm, Thickness 5–20mm

Name: A2 Stainless Steel Round Discs — Metal Blanks OD 50–450mm, Thickness 5–20mm
Brand: wellness-welten.net
SKU: 15583937164
Price: 227.93 USD
Availability: InStock
Rating: 4.1278 (594 reviews)