High-Performance Welded Steel Tubes: Your Reliable Choice for Automotive and Industrial Needs

In the demanding worlds of automotive manufacturing, furniture design, and industrial fabrication, the quality of your raw materials directly impacts the integrity of your final product. For professionals seeking reliable, domestically-produced steel tubing, our range of black annealed round and rectangular tubes offers an exceptional combination of strength, precision, and value.

Introducing the Haoyue Brand Q235 Straight Seam Welded Tubes

Manufactured by the reputable Jinghua factory, our tubes are crafted from Q235 steel, a standard carbon structural steel known for its excellent weldability, formability, and overall mechanical strength. This makes it an ideal choice for a multitude of structural and supportive applications.

Key Product Specifications and Features

Our product line includes popular specifications such as 25x2.0 and 28x2.0. Each tube undergoes a meticulous manufacturing process to ensure it meets stringent quality standards.

• Material: Q235 Carbon Steel
• Type: Straight Seam Welded Pipe
• Surface: Black Annealed (退火), resulting in a smooth finish with a weld seam that is seamless to the touch.
• Quality Grade: Authentic Product with quality dispute resolution.
• Weight Calculation: Weighing (过磅).

Versatile Applications Across Industries

The primary use is for automotive applications, particularly in the construction of robust and durable car seat frames. Beyond automotive, these tubes are perfectly suited for:

• Furniture Tubes (家具管): Creating strong frames for chairs, tables, and shelving units.
• School Equipment Tubes (校具管): Manufacturing desks, bunk beds, and other institutional furniture.
• Rectangular Tubes (矩形管): For applications requiring a different structural profile.
• Custom Fabrication Projects: Thanks to our available custom sample processing service.

Logistics and Service Commitments

We operate with transparency and efficiency. Our inventory is managed from our Hardware Warehouse in Wenzhou, with additional logistics through our warehouse in Bazhou, Hebei (Tel: +86 13091303155). We understand the need for seamless integration into your production cycle, which is why we offer reliable delivery-to-factory services. Please note, these specific 25x2.0 and 28x2.0规格 items are offered as futures, ensuring you can plan your procurement strategically.

Why Choose Our Steel Tubes?

Choosing our Haoyue brand tubes means opting for domestic manufacturing excellence without compromise. The smooth, flawless surface reduces post-processing time, while the consistent quality of Q235 material ensures predictable performance in bending and welding operations. Our commitment to accepting quality inquiries underscores our confidence in the product.

For OEMs, furniture makers, and automotive parts suppliers looking for a trustworthy supply of foundational components, these welded tubes represent a smart, cost-effective investment. Explore the possibilities with a custom sample today and experience the difference precision engineering makes.

Contact the warehouse for detailed quotes and to discuss your specific requirements for sample customization and delivery schedules.