Product Overview

Our 6061-T6 and 6063-T5 aluminum square tubes are manufactured through precision extrusion processes, offering an ideal combination of lightweight performance, structural strength, corrosion resistance, and excellent fabrication properties. Designed for architectural, industrial, transportation, and engineering applications, these hollow aluminum profiles provide reliable performance while significantly reducing overall structural weight.

6061-T6 aluminum square tubing is known for its high strength and excellent machinability, making it suitable for load-bearing structures, machinery components, transportation equipment, and industrial frameworks. 6063-T5 aluminum square tubing, often referred to as an architectural-grade alloy, provides superior surface finish, excellent corrosion resistance, and outstanding extrusion characteristics, making it ideal for decorative and architectural applications.

Available in a wide range of sizes, wall thicknesses, and lengths, our aluminum square tubes can be supplied with mill finish, anodized finish, powder-coated finish, or customized processing according to project requirements.

Material Details

6061-T6 Aluminum Square Tube

• Main Alloying Elements: 0.8–1.2%Mg, 0.4–0.8%Si, 0.15–0.40%Cu, 0.04–0.35%Cr

• Standards: ASTM B221, ASTM B308, EN AW-6061, GB/T 6892

• Temper: T6 (Solution Heat-Treated and Artificially Aged)

• Characteristics: It offers high structural strength, excellent machinability, good corrosion resistance, and an outstanding strength-to-weight ratio, making it suitable for engineering and load-bearing applications.

6063-T5 Aluminum Square Tube

• Main Alloying Elements: 0.45–0.9%Mg, 0.2–0.6%Si

• Standards: ASTM B221, EN AW-6063, GB/T 6892

• Temper: T5 (Cooled from Elevated Temperature and Artificially Aged)

• Characteristics: It offers excellent surface quality, superior extrusion performance, outstanding corrosion resistance, and easy anodizing and finishing, making it ideal for architectural and decorative applications.

Core Features

✅ Lightweight Yet Durable: Aluminum square tubes weigh approximately one-third as much as steel while maintaining excellent structural performance and durability.

✅ Excellent Corrosion Resistance: Natural oxide protection provides long-term resistance to moisture, atmospheric exposure, and many industrial environments without requiring additional coatings.

✅ High Strength-to-Weight Ratio: 6061-T6 offers excellent mechanical strength for structural applications, while 6063-T5 provides an optimal balance between strength and appearance.

✅ Outstanding Fabrication Performance: The material can be easily cut, drilled, machined, welded, and assembled to meet diverse engineering and manufacturing requirements.

✅ Excellent Surface Finish: 6063-T5 aluminum tubing delivers a smooth, attractive appearance and is particularly suitable for anodizing, polishing, and powder coating.

✅ Wide Range of Applications: Suitable for construction, transportation, industrial equipment, solar mounting systems, furniture manufacturing, automation equipment, and architectural structures.

Why Choose Our 6061-T6 & 6063-T5 Aluminum Square Tubes?

ISO 9001 Certified Quality Control: Every production batch undergoes dimensional inspection, chemical composition analysis, mechanical property testing, and surface quality verification to ensure compliance with international standards.

Precision Extrusion Technology: Advanced extrusion equipment ensures consistent dimensions, straightness, wall thickness accuracy, and superior surface quality.

Custom Fabrication Services: We provide cutting, CNC machining, drilling, punching, bending, welding preparation, anodizing, and powder coating according to customer specifications.

Factory-Direct Supply: Our efficient manufacturing capabilities allow us to offer competitive pricing, stable quality, and reliable delivery schedules for projects of all sizes.

Global Export Experience: Our aluminum square tubes are widely supplied to customers in the construction, transportation, renewable energy, industrial manufacturing, and architectural sectors worldwide.

Frequently Asked Questions (FAQ)

Q: What is the difference between 6061-T6 and 6063-T5 aluminum square tubes?

A: 6061-T6 provides higher strength and better machinability, making it suitable for structural and engineering applications. 6063-T5 offers a smoother surface finish and superior extrusion characteristics, making it ideal for architectural and decorative applications.

Q: Can aluminum square tubes be welded?

A: Yes. Both 6061 and 6063 aluminum alloys have good weldability and can be welded using common TIG and MIG welding processes.

Q: Are aluminum square tubes suitable for outdoor use?

A: Yes. Their excellent corrosion resistance makes them suitable for outdoor structures, architectural frameworks, solar systems, and transportation equipment.

Q: What surface finishes are available?

A: We offer mill finish, anodized finish, powder-coated finish, brushed finish, polished finish, and customized surface treatments.

Q: Can you provide custom sizes and cut lengths?

A: Yes. We offer customized dimensions, wall thicknesses, lengths, and fabrication services according to customer drawings and project requirements.

Q: Do you provide material certificates?

A: Yes. Mill Test Certificates (MTC), Material Test Reports (MTR), and third-party inspection documentation can be supplied upon request.

Q: What is the delivery time?

A: Standard specifications are typically available within 7–15 days, while customized orders generally require 15–30 days depending on quantity and processing requirements.