Price range: $8.36 through $29.85
3/4″ Steel Square Bar A-36, Hot-Rolled
A36 steel square bar is a low-carbon structural steel product manufactured to ASTM A36 specifications for strength, durability, and versatility. The 3/4″ solid square bar provides reliable structural integrity while remaining easy to machine, cut, and weld. Its solid form makes it well-suited for fabrication, repair, and general-purpose applications where strength and consistency are required. This material has a raw, non-galvanized mill finish and may exhibit a dark surface with mill scale typical of hot-rolled steel.
Applications:
A36 steel square bar is commonly used in structural and fabrication applications, including:
• Structural supports and bracing components
• Machinery parts and equipment fabrication
• Frames, bases, and mounting systems
• Gates, railings, and ornamental ironwork
• General repair and maintenance projects
• Custom fabrication and welding applications
Advantages:
• Strong and durable: ASTM A36 structural-grade steel
• Weldable: Suitable for MIG, TIG, and stick welding
• Machinable: Can be cut, drilled, and shaped with ease
• Solid construction: Provides excellent rigidity and stability
• Versatile use: Ideal for structural and general fabrication
• Cost-effective: Reliable material for a wide range of applications
Summary:
The 3/4″ A36 steel square bar is a strong, versatile, and easy-to-fabricate material suitable for structural, industrial, and general-purpose applications. Its solid construction, weldability, and consistent performance make it a dependable choice for a wide variety of projects.
* Prices are subject to change without notice due to fluctuations in the metals market. | All “Value Length” and “Value Pack” item measurements are subject to standard mill tolerances. | Products may be manufactured several thousandths of an inch over or under the stated dimensions and still be within acceptable mill tolerances. All bar, tube, structural, pipe, sheet, plate, and similar products sold on our website are custom cut to the lengths and sizes selected by the customer at the time of purchase. These are not stocked as pre-cut items. Because each order is cut specifically to customer specifications, all cut materials are considered custom products and are not eligible for cancellation, return, or exchange once production has begun. Our standard cutting tolerances are:
