Square hollow section

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Square hollow section comes in different sizes, specifications and wall thicknesses.

Its uniformity makes it predictable to use and visually appealing.

It has a high weight-to-strength ratio.

It’s easy to bend, and because square steel tubing is inexpensive, it’s cost-effective- even for large projects.

Square Hollow Section, SHS, Square Box, Painted, Galvenised, ERW, Black, Mild Steel

Steel tube is easily recyclable. Many projects take advantage of square steel tubing, including all types of buildings, highway guardrails and signage, support columns, trusses, bridges, heavy equipment, storage systems, and exercise equipment.

A wide range of dimensions, when combined with the appropriate steel grade, ensure that the functionality and cost-efficiency of your structure can be optimised.

Chemical composition

Steel Grade: Q195, Q215, Q235, Q345, S235JR, S275JR, SS4007-

Steel Grade: Q195, Q215, Q235, Q345, S235JR, S275JR, SS4007-

DataElements（%）
Materal GradeCMnSPSi
Q1950.06-0.120.25-0.50<0.05<0.045<0.30
Q2150.09-0.150.25-0.55<0.05<0.045<0.30
Q2350.12-0.200.30-0.70<0.045<0.045<0.30
Q345<0.201.0-1.6<0.04<0.04<0.55
Mechanical property
Materal GradeYield point (Mpa)Tensile Strength (Mpa)Elongation(%)
Q195>195315-43032-33
Q215>215335-45026-31
Q235>235375-50024-26
Q345>345470-63021-22
Tolerance:
Length+/- 50 MM
Wall Thickness+/- 12.5%
Weight+/- 8%
They are measured by their outside dimensions and their wall thickness.
Note:

A: with, T: wall thickness, SHS:Square Hollow Section, RHS: Rectangular Hollow Section

Surface Finish: hot dipped galvanized, electro galvanized, black

  • Mill Test Certificate: EN 10204/3.1B 
  • Third party inspection: SGS, BV, Lloyds etc.
Note: Pre-galvanized square / rectangular hollow section with OD 19mm-70mm and thickness 1mm-2.3mm are also available.

Application:

Furniture industries & domestic applications, bus body, fencing etc. Sizes other than mentioned above can also be produced upon specific requirements.

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