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Black Carbon Steel Hollow Sections
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Black Carbon Steel Hollow Sections

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Steel Hollow Section Images

Steel Hollow Section Introduction

Steel Hollow Section also called Square Tubes, Rectangular tubes, Steel Box Section, used for structure, fence post, decorative tubes, etc.




20*20 mm_400*400 mm (square), 20*30 mm_400*300 mm (rectangular)

Pipe Length


Thickness of Wall

1.0 mm~12.75 mm


Q195 Q235 Q235B Q345 St37 St52 SS400 STK500 S235JR S335JR S335 etc


ASTM A513, ASTM A500, BS EN 10219, etc

Pipe End

plain end

Surface Treatment

oiled, galvanized, annealing, bare, black painting, etc


structure tubing, fence post, decorative tubes, glass wall structure, solar bracket, etc.

Steel Hollow Section Specification

Steel Hollow Section samples

Hollow Section Applications

Hollow Section Packaging

About Ruijie Steel

Tianjin Ruijie Steel Pipe Co.,Ltd is located in Cuizhuangzi Industrial Park, Jinghai County, Tianjin, China, covering a total area of 48,800 square meters, the existing staff 260 People, including senior engineering and technical personnel 36 people.

Our company established a quality management system with the ISO9001: 2008 standard, from the procurement of raw materials to the entire production process, testing the cost of goods, shipped and after-sales service, and has developed a corresponding control procedures to make the whole process of production In the monitoring. Quality inspection personnel and welding workers have been assessed by specialized agencies, special types of employment rate of 100%, so that the quality of products has been guaranteed.

Contact Us

Email: Contact person: Aldrich Ma

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