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Square Steel Pipe
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Hollow structural sections are metal profiles with square or rectangular tube section. They are also known as rectangular steel tubes. ADTO Rectangular steel pipe has been widely used in most common steel specification for hollow structural section. This specification is for cold formed welded and seamless carbon steel tubing in round, square and rectangular shapes. Hollow rectangular sections are used in structural applications such as structural supports and building columns.


Standard GB/T6728:2002, ASTM  A500, JIS G3466,  EN10210, EN10219 


Place of Origin: China (Mainland) 

Brand Name: ADTO 

Model Number: Hollow Section 

Delivery Time: 7-35days  

Length: 6m, 12m or  customized 

Ends:  Square 

Packing In bundles, containers   

Wall Thickness: 0.6~25.0mm 


Dimension: 10*10mm ~  500*500mm 

Product name: Square tube

Packing And Delivery

1.Packing: weaving bag, non-woven fabric, seaworthy bundle,wooden case if required.

2.Delivery: within 30 days after receiving L/C or TT.

Our Services

• Your inquiry related to our product & price will be replied within 24hours.

• Well-trained & experienced staff are to answer all your inquiries professional in English of course.

• Working time: 8:00am - 5:30pm, Monday to Friday.

• OEM is highly welcomed. We have strong R&D team here to help.

• Your business relationship with us will be confidential to any third party.

• Good after-sale service offered, please get back if you got question.

Our Services Company Information

Our company is a leading manufacturer of ERW steel pipes.

• 15 years experience, annual sales volume reaches 2.0 billion US dollars for the past five years.

• Good quality control in production process, ISO9001:2008,SGS,BV approved.

• Excellent quality and Competitive price, OEM is available.

• Available in an extensive range of stock or custom size.

• The whole process from material to finished products can be traced.

• Our factory is located in Tianjin,China.