• Buy Mild Steel Hollow Sections For Building Material, China Mild Steel Hollow Sections For Building Material, Mild Steel Hollow Sections For Building Material Producers
  • Buy Mild Steel Hollow Sections For Building Material, China Mild Steel Hollow Sections For Building Material, Mild Steel Hollow Sections For Building Material Producers
  • Buy Mild Steel Hollow Sections For Building Material, China Mild Steel Hollow Sections For Building Material, Mild Steel Hollow Sections For Building Material Producers

Mild Steel Hollow Sections For Building Material

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 hollow section 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

DescriptionSquare & Rectangular Hollow Section
SpecificationSize:20*20 - 400*400                                                      
Thickness: 0.6mm-10mm                                                
Length: max 12m
Material Q195, Q235, Q345, S235 ,S355,                                      
ASTM A500, STK500, A53 GR A/B                          
StandardGB T3094, EN10210, ASTM A500
Surface

HD galvanized                                                              

pre galvanized                                                                 

black, oiled                   

Zinc Coating180-600g HD galvanized                                                 
40-120g Pre galvanized
Hollow shapesquare or rectangular
Treatmenthot rolled or cold rolled
Payment termsmainly TT or LC
CertificationISO, SGS, BV                                                                    
other third party testing
Business typemanufacture supplier

hollow sections for building

2. Detailed information

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

3. Pictures of steel hollow section

steel hollow section

hollow sections for building





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