Square steel pipe / square pipe / galvanized square tube (Galvanized Square Tube)

Square steel pipe / square pipe / square box, galvanized, looks like a square cross-section steel pipe. Manufactured from GI coil steel, cut into sheets (slits) and then rolled up to the desired size. can last longer than non-galvanized steel It is often used in rust proof structures. to encounter humidity Can be used outside because it is reasonably rust resistant, such as roof structures, street lamp posts, wall frames, rain gutters, etc.

Square Tube
Square steel pipe / square pipe (For various structures such as columns, beams, scaffolding and roof structures) is a square section steel pipe. can be applied in general work substitute for wood Concrete and other types of steel due to its strength, durability, light weight.