The difference between square and square.
Square steel, solid, of bars. Generally processed by hot rolling, deep processing can be made into round steel, anchor bolts and so on. Used to make tracks.Square pipe, hollow, belong to pipe material. There are rounded, the quality should be lighter than steel. Small diameter is generally cold-rolled, large diameter welding generally spell. Used to make structures.
Square tube is kind of square body, many kinds of material can form a square body, most square to steel for the majority, after unpacking, smooth, curly, circular tube is formed by welding, pipe rolling into square tube and then cut into the desired length. Usually 50 bags each. Square pipe in the spot with large specifications in most, in the range of 10*10*0.8-1.5 to 500*500*10-25, square tube by use is divided into structural square tube, decorative square pipe, building square pipe, mechanical square tube, etc..Square tube is a square tube of a name, that is, the length of the same steel pipe. The strip is rolled by process.
Square refers to the use of a square billet material rolled out, or by round steel after cold drawing process, the material out of the square. Formula weight: side length of square theory * * 0.00785=kg/m.
