Price range: $13.59 through $74.41
5/8″ × 4″ Hot Rolled Steel Flat Bar is manufactured from ASTM A36 low-carbon structural steel and is commonly used in general fabrication, structural support, and industrial applications. This flat bar features a 5/8-inch thickness and 4-inch width, providing a strong, versatile steel profile suitable for welding, machining, drilling, and forming. The hot rolled (HR) finish includes a mill scale surface, making it ideal for applications where surface finish can be secondary to strength and functionality.
Applications:
5/8″ × 4″ A36 steel flat bar is widely used in structural and fabrication industries, including:
• Structural support components and framing
• Brackets, base plates, and mounting hardware
• Reinforcement and repair work
• Machinery and equipment fabrication
• Industrial maintenance and repair projects
• General welding and metal fabrication applications
Advantages:
• Good strength and toughness: ASTM A36 provides reliable structural performance
• Excellent weldability: Easily welded using standard processes
• Easy to machine and fabricate: Suitable for cutting, drilling, and forming
• Versatile use: Applicable in a wide range of construction and industrial projects
• Cost-effective material: Economical choice for structural steel applications
Summary:
The 5/8″ × 4″ ASTM A36 hot rolled steel flat bar is a durable and versatile structural material designed for fabrication, support, and repair applications. Its strength, weldability, and ease of use make it a dependable choice for a wide variety of industrial and construction 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:
