304 Stainless Steel Rectangular Bar 0.125 in x 0.5 in x 84 in

Our review of this 304 stainless steel rectangular bar finds it best suited for fabricators and engineers who need a reliable, corrosion-resistant raw material for structural or decorative projects. The bottom line: this unpolished mill finish bar offers the familiar strength and corrosion resistance of 304 stainless steel in a convenient 84 in length, making it a sensible choice when material consistency and industry specs matter. For anyone working in food processing, architectural trim, or light pressure applications, it is a straightforward, ready-to-use stock piece.

Key Features

• 304 stainless composition: Provides broad corrosion resistance and good tensile strength for general-purpose industrial use.
• Mill finish surface: Unpolished finish keeps cost down while remaining suitable for projects where a finished surface is not required.
• Precise dimensions: 0.125 in thickness and 0.5 in width deliver predictable fit for fabricating brackets, trim, and small structural elements.
• Long bar length: The 84 in length reduces the number of joints or welds needed in longer runs, saving assembly time.
• Standards compliance: Meets ASTM-A240, ASTM-A480, and ASTM-A666 which helps assure consistent metallurgy for regulated applications.
• Versatile applications: Suitable for uses across aerospace, food and beverage, cryogenic work, and chemical processing where 304 is commonly specified.

Who It's For

This bar is aimed at professional metalworkers, machine shops, and contractors who need a reliable 304 stainless alloy in a narrow rectangular profile for brackets, trim, or small structural parts. It is also appropriate for hobbyists with access to cutting and finishing tools who prefer to start with a certified alloy.

Those who require a polished decorative finish or very tight cosmetic tolerances straight from the supplier should look elsewhere or plan to finish the surface themselves, since this item ships in an unpolished mill finish meant for practical use rather than display.

Pros & Cons

Pros

• Consistent chemical and mechanical properties thanks to 304 stainless and ASTM standard compliance.
• Long 84 in length reduces seams in longer fabrications and offers flexibility in layout.
• Economical mill finish is cost-effective for functional parts and weld fabrication.

Cons

• Mill finish may require additional polishing for visible trim or aesthetic applications.

Specifications

Alloy	304 stainless steel
Finish	Unpolished (mill) finish
Thickness	0.125 in
Width	0.5 in
Length	84 in
Standards	Meets ASTM-A240, ASTM-A480, ASTM-A666

Our Verdict

For anyone specifying a dependable, widely used alloy, this 304 stainless rectangular bar is a practical, cost-conscious choice. It delivers the expected corrosion resistance and mechanical reliability of 304 stainless steel in a convenient 84 in length, making it good value for fabricators and shops that will finish or weld the material themselves.

Frequently Asked Questions

Is this bar ready for visible architectural trim?
It ships in a mill finish so visible trim will usually need polishing or finishing before installation.

Does it meet common stainless standards?
Yes, the material meets ASTM-A240, ASTM-A480, and ASTM-A666 as stated.

Can it be used for food equipment?
304 stainless is commonly used in food and beverage applications, but final suitability depends on the specific equipment and finish required.