Q345B low alloy thick-walled square hollow section

Q345B low alloy thick-walled square hollow section is commonly used in constructions as steel frames. 
Good quality is the first important factor when it comes to constructions such as airport,bridges, large gym stadiums etc. 
For such big-sized and thick-walled square tube,it often should be given heat treatment in order to ensure the ductility. 

Standards: EN10210, hot formed 

Company Name: Hebei Borun Steel Trade Co.,Ltd 
Contact: Melody Chang ( manager) 
Tel: 86-317-5295015 Fax: 86-317-5295015 
Web: www.brsteelpipe.com