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Stainless Steel Bars & Rods for Every Application
At Penn Stainless, we offer a wide selection of stainless steel bars and stainless steel rods, available in a variety of shapes, sizes, and grades to meet the needs of industries across the board—from construction and manufacturing to aerospace and medical applications. Our steel bar products are manufactured from premium stainless alloys, including austenitic, martensitic, ferritic, and precipitation hardening stainless steels, ensuring excellent corrosion resistance, durability, and performance under pressure.
We provide full customization services, including cutting to length, precision machining, centerless grinding, and special finishes. Whether you need large mill runs or small custom batches, Penn Stainless delivers both quality and flexibility.
Browse our inventory below to find the right stainless steel bar for your next project.
Types of Stainless Steel Bar
Stainless Steel Round Bar
Ideal for machining, construction, and support components. Available in hot-finished or cold-drawn formats.
Stainless Steel Square Bar
Used in structural frameworks and ornamental applications. Offers uniform strength and ease of fabrication.
Stainless Steel Flat Bar
Perfect for brackets, braces, and base plates. Offers excellent weldability and corrosion resistance.
Stainless Steel Hex Bar
Frequently used in fasteners, valves, and shafts. Its geometric shape allows for easy wrenching and torque application.
Stainless Steel Rolled Flat Bar
A budget-friendly alternative to true flat bar, suitable for general-purpose flat stock applications.
Stainless Steel Half Round Bar
Commonly used in marine and architectural applications where a decorative yet functional profile is needed.
Stainless Steel Keystock
Precision-ground bar stock ideal for machinery keys and tooling applications requiring tight tolerances.