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Square Or Rectangular Tube
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Square Or Rectangular Tube

A Hollow Structural Section, or HSS, is a type of metal with a hollow tubular section. These sections can be circular (CHS), square (SHS) or rectangular (RHS). Hollow Structural Sections, especially RHS steel is commonly used in welded steel frames while SHS and CHS are more often used in columns. Hollow Steel Sections are also commonly used as beams.

The flat square surfaces of RHS has the ability to ease construction, and they are sometimes preferred for architectural aesthetics in exposed structures, but circular Hollow Structural Sections are becoming more popular in exposed structures for the same reasons.

Our company provides seamless square steel tubing main brands, ASTM A500, ASTM A36, ASTM A572GR50, the allowable deviation of square tube wall thickness, when not more than plus or minus 10% of the nominal wall thickness of the wall thickness is less than 10mm, when the wall thickness is greater than 10mm plus or minus 8% of the wall thickness, bending angle and weld zone wall thick except.

The usual delivery length of the square moment tube is 4000mm-12000mm, with the majority of 6000mm and 12000mm. The rectangular tubing is allowed to deliver short and non - scale products that are not less than 2000mm, and can also be delivered in the form of an interface tube, but the buyer should remove the interface tube when it is used. The weight of short and non - scale products does not exceed 5% of the total deliveries, and the square moment tube with theoretical weight greater than 20kg/m should not exceed 10% of the total delivery.


Q235,SS400 Square Steel Tube, Weld Square Steel Tube, Galvanized Square Steel Tube

Material type

hot rolled weld square steel tube

Out diameter





6m or as request

Zinc coating



Plain ends, cutting, threading, etc

Surface treatment

Galvanized,or black


1)In bundle with steel strip, with seaworthy package at the end. Or as the clients’

requirements.2)In bulk

The application

Construction, machine structure tube, Agriculture equipment tube,

Water and gas tube, Greenhouse tube, Scaffolding tube, Building material tube,

Furniture tube, Low pressure fluid tube, Oil tube, etc

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  • TEL:+86-371-55023661
  • EMAIL: info@steelguang.com
  • ADDRESS:Room 2001, Unit 2, Building 2, No. 96, Ruhe Road, Zhengzhou City, Henan Province, China
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