Round Bar

Atlantic Stainless offers a wide range of stainless steel round bars in various sizes, grades, and finishes to suit different industries and applications. Whether you need bars for machining, structural support, ornamental work, or sanitary use, we cut materials to your exact specifications with fast turnaround and competitive prices.

Available in cold-drawn and hot-rolled finishes, our round bars meet ASTM and AMS standards. We also provide centerless ground bars and custom-polished finishes for close tolerances or enhanced aesthetics.

Common Applications

Stainless steel round bar is used across many sectors due to its strength, corrosion resistance, and formability:

• Machined Parts
• Food & Beverage Equipment
• Construction & Architecture
• Marine & Coastal
• Chemical & Pharmaceutical
• OEM & Fabrication

Available Stainless Steel Grades

Grade: 303 Key Characteristics: Excellent machinability; non-magnetic Common Uses: Machined parts, threaded components, screws
Grade: 304 Key Characteristics: General-purpose; corrosion-resistant, easily welded Common Uses: Construction, food-grade equipment, general fabrications
Grade: 304L Key Characteristics: Low-carbon variant for improved weldability Common Uses: Welded components, sanitary processing
Grade: 316 Key Characteristics: Superior corrosion resistance (with molybdenum) Common Uses: Marine and chemical environments
Grade: 316L Key Characteristics: Weldable version of 316; chloride-resistant Common Uses: Pharmaceutical, food-grade, and marine applications
Grade: 17-4PH Key Characteristics: High strength; precipitation-hardened Common Uses: Aerospace, high-stress mechanical components
Grade: Other Grades Key Characteristics: Additional grades like 410, 416, and Duplex available on request Common Uses: Specialty high-wear or high-temp applications

Finish Options

• Hot Rolled: Scale finish, generally less precise tolerances Best For: Structural, fabrication, machining prep
• Cold Drawn: Smooth surface, improved mechanical properties Best For: Precision machining, shafts, polished parts
• Centerless Ground: Enhanced dimensional accuracy, bright finish Best For: High-tolerance parts, ornamental or exposed uses
• Polished (180–320 grit): Aesthetic or sanitary surface Best For: Food-grade, architectural, and medical use

Size Capabilities & Tolerances

Diameter Range: 1/8″ to 20″+
Length: Standard 12’ and 20’ lengths; cut-to-length available
Tolerances: Per ASTM A484/A276 and customer specification
Standards: ASTM A276, A479, AMS 5640, A484
Condition: Annealed, hardened, or precipitation-hardened available

Custom Cutting & Processing

At Atlantic Stainless, we offer in-house cutting, chamfering, deburring, and polishing to deliver bar stock to your exact specs. Whether you need full-length bars, centerless ground shafts, or small-quantity cut blanks, we can meet your requirements with short lead times and consistent quality.

Expert Stainless Steel Solutions

Atlantic Stainless has over 30 years of experience supplying stainless steel solutions across industries. Our team provides expert guidance, short lead times, competitive pricing, and services like custom cutting and polishing. Whether you need a single bar or bulk quantities, we offer responsive service and nationwide shipping to meet your needs.

Need help selecting the right grade or finish for your round bar application? Our experienced sales team is ready to assist. Contact us today!

Available Steel Round Bar Grades

• 304/304L, 316, 316L, 317L, 303, 309, 310, 321, 330, 347, 400, 410, 416, 430, 440C, 600, 601, 625, 718, 800, 825, 15-5, 17- 4, A286, AL6XN ALLOY20, C276, 254SMO, 200, 201, 2205 and more! View our Line Card here.
• We will custom saw cut to length
• DFARS or domestic material available in a variety of sizes
• Polishing services are available