• Buy Hollow Sections Pipes Of Building Material, China Hollow Sections Pipes Of Building Material, Hollow Sections Pipes Of Building Material Producers
  • Buy Hollow Sections Pipes Of Building Material, China Hollow Sections Pipes Of Building Material, Hollow Sections Pipes Of Building Material Producers
  • Buy Hollow Sections Pipes Of Building Material, China Hollow Sections Pipes Of Building Material, Hollow Sections Pipes Of Building Material Producers

Hollow Sections Pipes Of 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 hollow section 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.


Hollow Section Pipes of building material

1. Product details

DescriptionSquare & Rectangular Hollow Section
SpecificationSize:20*20 - 400*400                                                      
Thickness: 0.6mm-10mm                                                
Length:1-12m
Material Q195, Q235, Q345, S235 ,S355,                                      
ASTM A500, STK500, A53 GR A/B                          
StandardGB T3094, EN10210, ASTM A500
Surface

Hot dipped galvanized                                                                  pre galvanized                                                                 

black, oiled                   

Zinc Coating180-600g Hot dipped galvanized                                       
40-120g for  Pre galvanized
Hollow shapesquare or rectangular
Manufacture methodhot rolled or cold rolled

hollow section pipe

2. Main material of steel tube: Q195/Q235/Q345

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

hollow pipes of building

hollow sections



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