Rings, Discs, & Shapes

Atlantic Stainless offers precision-cut stainless steel rings, discs, and custom shapes manufactured to meet the exact specifications of your project. Using state-of-the-art cutting technology, we provide high-quality profiles from plate, sheet, or bar stock, with tight tolerances and clean edges. Whether you’re looking for near-net shapes for machining, fully finished components, or blanks for fabrication, we deliver fast and reliably.

Our stainless shapes are available in various grades, thicknesses, diameters, and surface finishes. We also offer custom fabrication, polishing, and secondary processing to match your unique requirements.

Common Applications

Stainless steel rings, discs, and shapes are used across industries for their durability, machinability, and corrosion resistance:

Process Equipment: Flanges, gaskets, and pressure-retaining components in food, chemical, and pharmaceutical systems
Architectural Projects: Decorative rings and custom shapes for interior and exterior metalwork
OEM and Fabrication: Custom-cut profiles for machinery, transport equipment, and HVAC systems
Marine & Coastal Environments: Corrosion-resistant rings and covers for high-humidity and saltwater exposure
Energy & Infrastructure: Spacer rings, bearing supports, and precision discs for turbine and piping assemblies

Available Grades

Grade: 304 Properties: Excellent corrosion resistance, good strength Common Uses: General structural and decorative applications
Grade: 304L Properties: Lower carbon for better weldability Common Uses: Welded rings/discs in food and chemical settings
Grade: 316 Properties: Superior resistance to chlorides and chemicals Common Uses: Marine, chemical, and high-purity environments
Grade: 316L Properties: Weldable variant of 316 for sanitary or marine use Common Uses: Pharmaceutical, food-grade, marine applications
Grade: Other Grades Properties: Specialty grades (310, 321, 410, 17-4PH) available on request Common Uses: Heat-resistant, high-strength, or magnetic uses

Finishes & Edge Conditions

Mill Finish: As-processed surface, may include scale or minor imperfections Best For: Industrial or non-visual use
Polished (180–320 grit): Smooth, reflective finish Best For: Architectural, sanitary, or decorative parts
Pickled & Passivated: Treated for corrosion resistance and clean surface Best For: Sanitary, marine, and chemical applications
Edge options: include standard cut edge, deburred, chamfered, or machined finish.

Size Capabilities & Tolerances

Outer Diameter (OD): Up to 60″+ depending on material and shape complexity
Thickness Range: 1/16″ to 3″+ (varies by grade and stock availability)
Tolerances: Based on ASTM A480/A484 or customer specification
Cutting Methods: Plasma, waterjet, laser, saw cutting available
Edge Finish Options: Raw cut, deburred, or machined
Custom Shapes: Based on CAD file or drawing submission

We also offer drilling, beveling, hole punching, or slotting as value-added services.

View our Line Card here.

Get Started with Atlantic Stainless Today

Let Atlantic Stainless be your go-to source for stainless rings, discs, and custom shapes. Whether you need a single prototype or ongoing production support, our team can help deliver exactly what you need. Have a print or part number in mind? Send us your requirements, and we’ll provide a fast and accurate quote.

No inquiry is too large or too small, we specialize in locating hard to find items. If you do see what you are looking for, we would love to assist you and give you a quote today!

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