Description
Product Overview
The 6″ X 6″ X 3/8″ wall A500 square tube from Harness Machine & Fab is engineered to meet the demanding requirements of industrial fabrication, structural engineering, and custom manufacturing. Constructed from high‑grade A500 steel, the tube features a precise 0.375‑inch wall thickness that provides exceptional strength while maintaining a manageable weight. With an outside diameter of 6.38 inches and a compact 6‑inch length, this square tube offers a versatile form factor that can be integrated into a wide range of assemblies, from load‑bearing frames to intricate bracketry. The tube is finished with a smooth, corrosion‑resistant surface that helps extend service life even in harsh environments. Every dimension is controlled to tight tolerances, ensuring consistent fit and performance across multiple projects.
![[Product front view showing all components]](https://www.ticketsbuy.store/wp-content/uploads/2026/07/d65933e506164c7e92b0cce2b8c87949.jpg)
Usage
Designed for both professional engineers and dedicated hobbyists, this square tube excels in applications where rigidity and reliability are paramount. It is commonly used in the construction of machine frames, conveyor systems, agricultural equipment, and custom tooling. The robust steel composition makes it suitable for outdoor installations, such as fencing, support columns, and structural reinforcements, while the compact size allows for easy handling and storage. Whether you are fabricating a prototype for a startup, reinforcing a workshop bench, or building a heavy‑duty rack, the 6″ X 6″ X 3/8″ tube provides the confidence of a material that will not compromise under load.
Why Choose Us
Harness Machine & Fab has a long history of delivering precision‑engineered metal components to the industrial market. Our commitment to quality begins with rigorous material selection; each tube is sourced from certified steel mills that meet ASTM A500 standards. We employ state‑of‑the‑art cutting and finishing processes to guarantee uniform wall thickness and flawless surface finish. In addition, every batch undergoes comprehensive testing for tensile strength, dimensional accuracy, and corrosion resistance. Our customers benefit from responsive technical support, fast shipping, and a hassle‑free return policy, ensuring that the product not only meets but exceeds expectations throughout its lifecycle.
Key Features
- High‑strength A500 steel provides superior load‑bearing capacity for demanding projects.
- Precise 0.375‑inch wall thickness ensures consistent performance and easy machining.
- Compact 6‑inch length and 6.38‑inch OD allow for versatile integration in tight spaces.
- Corrosion‑resistant finish extends durability in outdoor and industrial environments.
- Dedicated customer support and fast delivery give you confidence from purchase to installation.
FAQ
What is the difference between A500 and other steel grades?
A500 steel is a structural grade specifically designed for tubing, offering a balanced combination of strength, weldability, and formability. It meets ASTM standards for wall thickness and tensile properties, making it ideal for load‑bearing applications where other grades might be too brittle or too soft.
Can this tube be welded or cut to custom lengths?
Yes. The A500 steel composition is fully weldable using standard MIG, TIG, or stick welding techniques. It can also be cut with common metal‑working tools such as bandsaws, abrasive wheels, or plasma cutters to achieve custom dimensions without compromising structural integrity.
Is the tube suitable for outdoor use?
The tube’s surface is treated to resist corrosion, making it suitable for outdoor installations. For added protection in highly corrosive environments, a supplemental coating or galvanization can be applied.
What is the recommended load capacity for this tube?
Load capacity depends on the specific application, mounting method, and support conditions. Generally, a 0.375‑inch wall A500 square tube of this size can support several thousand pounds when properly braced and installed according to engineering best practices.
Do you offer bulk pricing for larger orders?
Yes. We provide tiered pricing discounts for bulk purchases. Contact our sales team with your required quantity, and we will supply a tailored quote that reflects volume savings and expedited shipping options.







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