N316-257 Square Steel Tube, 1-1/4 In. X 36 In., 16 Ga.

This National Hardware square steel tube is a versatile metal component engineered for demanding construction, industrial, and commercial applications. The 1-1/4 inch square profile and 36-inch length make it ideal for building strong frameworks, railings, truck racks, gates, and other structural projects where reliability and durability are essential. Whether you're working on interior home improvements or exterior installations, this tube provides the strength and dimensional consistency needed for secure, aligned assemblies.

Built from hot-rolled plain steel and constructed using electric-resistance welding, this square tube meets ASTM Specification A513 for quality assurance. The standardized dimensions ensure easy integration into your designs and straightforward attachment to other components, making it a practical choice for both DIY builders and professional contractors.

Features and Benefits

• Electric-Resistance Welded Construction: The tube is welded using electric resistance methods, creating a strong, reliable joint that withstands structural demands.
• Hot-Rolled Plain Steel: Durable steel material provides excellent strength and is suitable for both interior and exterior environments.
• ASTM A513 Compliant: Meets industry standards for steel tubing, ensuring consistent quality and performance.
• Square Profile: The 1-1/4 inch square shape allows simple alignment and secure fastening to frames, brackets, and other components.
• 36-Inch Length: Standard 36-inch length provides convenient sizing for most framing, railing, and gate projects without excessive cutting.

Specifications

• Brand: National Hardware
• Model: N316-257
• Width: 1-1/4 inches
• Length: 36 inches
• Wall Thickness: 16 gauge
• Material: Steel, plain finish
• Shape: Square
• Construction: Electric-resistance welded
• Standards: Meets ASTM Specification A513