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RC-A
Red Cherry
RC-A-038

Our aluminum square to round tube (also called aluminum rectangular to round transition tubing) is a precision-engineered seamless transition pipe made from high-grade corrosion-resistant aluminum. Designed for seamless connections between square/rectangular and round structural components, this lightweight yet durable aluminum transition tubing is ideal for architectural railings, balcony handrails, decorative metal accents, furniture framing, and industrial machine frameworks.
Boasting a smooth, polished finish and precision-machined fit, our aluminum square-to-round transition pipe ensures quick, secure installation while enhancing structural stability. With excellent weather resistance and low maintenance, it’s suitable for both indoor and outdoor applications. Available in standard stock sizes and customizable dimensions, this versatile aluminum transition tube meets the needs of commercial, residential, and industrial projects—offering the perfect blend of functionality, aesthetics, and sustainability (100% recyclable).


Q1: What materials are available for special-shaped round tubes?
A: We commonly manufacture these tubes from 6061, 6063, 6005, and other aluminum alloys to meet different strength and corrosion-resistance requirements.
Q2: Can you customize the tube shape and dimensions?
A: Yes. We produce custom profiles according to customer drawings, CAD files, samples, or technical specifications.
Q3: What surface treatments do you offer?
A: We provide anodizing, powder coating, electrophoresis, PVDF coating, sandblasting, brushing, and mill finish options.
Q4: What construction applications are these tubes suitable for?
A: They are widely used in building structures, curtain walls, handrails, partitions, decorative systems, equipment frames, and modular construction projects.
Q5: What is the maximum length you can supply?
A: Standard lengths are typically 3m, 5.8m, and 6m, while custom lengths are available according to project requirements.
Q6: Are these tubes suitable for outdoor environments?
A: Yes. Aluminum offers excellent corrosion resistance, and additional surface treatments further enhance durability in outdoor applications.
Q7: Can you manufacture complex cross-sectional designs?
A: Absolutely. Our extrusion capabilities support intricate shapes and special profiles that help customers achieve specific structural or architectural goals.
Q8: Do you provide machining services?
A: Yes. We offer cutting, drilling, punching, milling, tapping, CNC machining, and assembly services to simplify downstream processing.
Q9: What quality control measures do you follow?
A: Our team inspects dimensions, surface quality, mechanical properties, and tolerances throughout production to ensure consistent product performance.
Q10: Do you support OEM and bulk orders?
A: Yes. We welcome OEM and ODM projects and provide flexible production schedules, customized packaging, and global shipping support for large-volume orders.