20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section

● Pre-galvanized square/rectangular tube: Pre-galvanized square/rectangular tube is made of hot dipped galvanized steel strip directly.


● Hot dipped galvanized square/rectangular : Hot dipped galvanized square/rectangular tube owns thicker zinc coating than pre-galvanized square/rectangular tube. Black tubes will be dipped into zinc pool for galvanizing.


● Electro galvanized square/rectangular : The technology of electro galvanized square/rectangular tube is similar to hot dipped galvanized tube, but the thickness of zinc coating is less than hot dipped galvanized tube.


● Painted square/rectangular:Painted square/rectangular to remove the rust and clean the oil first and then paint the required color paint. 

20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section
20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section
20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section
20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section
20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section
20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section
20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section
20 x 20 x 2.5mm GI (SHS) Square Steel Hollow Section

Standard:GB/T6728:2002 , ASTM A500 , JIS G3466 , EN10210 ,EN10219 


Steel Grade:
GB/T6728:2002 : Q195 , Q235 , Q345
ASTM A500:GR. A , GR. B, GR. C , GR. D
JIS G3466 : SS440,SS540
EN10210, EN10219: S235JR ,S275JR,S355JR, S355J2H


Size: 

Name
SizeWall Thickness Length
mmmmm
Square tube10x10-500x500
0.6-25.01-12m
Rectangular tube20x10-200x4000.7-13.01-12m



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