Type:Rectangular Steel Tube(RHS),Rectangular Hollow Section Size:20mm*10mm-400mm*300mm ,WT:0.5-20mm,L:0.3-18m Standard & Grade:ASTMA500/AS1163/BS1387/JISG3466/EN10210/EN10219 Surface:Black bared,can be galvanized,oiled,painted. Packing:Waterproof plastic bag,bundled with strip Rectangulartube is formed from coil and then ran through a series of dies.lt's welded from the inside to form its shape.Rectangulartubes aregenerally used for maintenance and structural purposes. Some examples of square tubing applications would be building construction, railings, and sign posts. They are measured by theiroutside dimensions and their wall thickness. square Tube is available in the following metal types:Alloy Steel Mild Steel Carbon Steel Pipe Rectangular tube has similar uses to SHS and is used for both industrial and construction applications. Specification SIZE mm WEIGHT kg/m EST. LB…