Carbon Steel Rectangular Tubing

The Quality Carbon Steel Rectangular Tubing is a versatile structural steel product widely used in construction, machinery manufacturing, transportation equipment, and industrial frameworks. With excellent load-bearing capacity, dimensional stability, and fabrication flexibility, rectangular tubing is an ideal choice for projects requiring both strength and precision.

As a professional China factory supplier, Tianjin JuMing Steel Pipe Co., Ltd. integrates manufacturing, processing, and global sales, delivering high-quality carbon steel rectangular tubing that meets international standards and diverse application requirements.

About JuMing

Tianjin Juming Steel Pipe Co., Ltd. is located in Daqiuzhuang Industrial Park, Jinghai District, Tianjin, the core steel pipe manufacturing hub in northern China. We are a modern steel enterprise integrating R&D, production, and sales of square and rectangular steel tubes.

Founded in 2015, the company has achieved steady growth over the past decade and has established an intelligent manufacturing base covering 120 acres, with an annual production capacity exceeding 300,000 tons. Our products are widely supplied across 28 provinces and regions in China, and are also exported to Southeast Asia, the Middle East, and other overseas markets, serving customers with stable quality and reliable delivery.

Main product specifications

Customizable Lengths

We offer customized Carbon Steel Rectangular Tubing lengths to meet customer needs, with a maximum fixed length of 18 meters, satisfying the installation requirements of extra-long structural components in special engineering projects.

1. Superior Materials, Superior Durability

Selected Raw Materials: Manufactured using high-quality low-carbon steel, including Q235B and Q355B high-strength steel, ensuring excellent load-bearing capacity and corrosion resistance.

Advanced Manufacturing Processes: Formed using cold drawing and hot rolling processes, resulting in a smooth, burr-free surface and high dimensional accuracy (tolerance ≤ ±0.5 mm).

2. Complete Specifications, Flexible Customization

A variety of sizes and thicknesses are available to meet diverse project requirements.

Custom sizes, lengths, and specifications are supported, making it ideal for construction, steel structures, and special engineering applications.

Standard Specifications

Side Length: 20mm×20mm~600mm×600mm

Wall Thickness: 1.0mm~20mm

Length: 6m~18m (Custom lengths available)

Customization: Supports non-standard sizes, irregular cross-sections, and anti-corrosion coatings (such as galvanizing, painting), etc.

3. Strict Quality Control, Guaranteed Quality

Testing System: Each batch of products undergoes multiple quality inspections including tensile testing, hardness testing, and ultrasonic flaw detection, conforming to the GB/T 6728-2021 national standard.

Certifications: ISO9001 quality management system certified; product quality is traceable.

Application

Technical Parameters

Service Guarantee

24/7 online customer service for timely response to your needs; 

Nationwide logistics and delivery to your door; 

Professional technical support and selection guidance to ensure products match your application scenarios; 

Bulk purchases enjoy preferential pricing; Comprehensive after-sales system, free returns and exchanges for quality issues；

Custom processing services such as leveling, cutting, and drilling are available based on customer drawings; 

Support for sample processing and non-standard specification production to meet diverse engineering needs.