• Buy Galvanized Metal Square Steel Tubes, China Galvanized Metal Square Steel Tubes, Galvanized Metal Square Steel Tubes Producers
  • Buy Galvanized Metal Square Steel Tubes, China Galvanized Metal Square Steel Tubes, Galvanized Metal Square Steel Tubes Producers
  • Buy Galvanized Metal Square Steel Tubes, China Galvanized Metal Square Steel Tubes, Galvanized Metal Square Steel Tubes Producers

Galvanized Metal Square Steel Tubes

Brand :Friend

Product origin :Tianjin, China

Steel hollow section can be mainly divided into round hollow section, rectangular hollow section and square hollow section. Rectangular and square carbon steel tube are widely used in various fields such as construction or building, low pressure liquid delivery, engineering, fencing,greenhouse etc.Surface of steel tube generally are black or galvanized, galvanized Steel tube has good features of corrosion resistance, anti-rust, acid resistance, which largely extend its service life.


1. Products description

Brand name: Friend
Factory address: Tianjin, China
Product name: SHS ( square hollow section ), RHS ( rectangular hollow section)
Size: 20*20 - 400*400
Thickness: 0.6-16 mm
Material: Q195, Q235, Q345 / S235, S355 / SS400 STK500
Standard:GB T3094, EN10219, ASTM A500, etc.
Application: mainly construction
Surface treatment: black, HD galvanized, pre galvanized, painted, etc.
Certification: ISO, SGS, BV and other third party testing 

galvanized square tubes


2. Size of RHS & SHS

square steel piperectangular steel pipeother size can also be customized
20*20100*10040*20120*60
25*25120*12050*30120*80
30*30140*14060*40140*80
40*40150*15070*50150*100
50*50160*16080*40160*80
60*60180*18080*60180*100
80*80200*200100*40200*100

250*250100*50250*150

300*300100*60300*100

350*350100*80300*150

400*400
300*200



400*200



400*300

metal tubes

3. Main material of steel tube

ElementsChemical Composition%Mechanical Property
MaterialC%Mn%S%P%Si%Yield StrengthTensile StrengthElongation






(Mpa)(Mpa)(%)
Q1950.06-0.120.25-0.50<0.05<0.045<0.3>195315-43032-33
Q2350.12-0.20.30-0.70<0.045<0.045<0.3>235375-50024-26
Q345<0.201.0-1.6<0.04<0.04<0.55>345470-63021-22

galvanized metal tube



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