45# Black Square Tube  

Carbon steel black square pipe is a commonly used building material, which is composed of elements such as carbon and iron. is a square section pipe manufactured under cold rolling or hot rolling process.Square rectangular tube has excellent strength, stability and corrosion resistance, so it is widely used in construction, machinery, automobiles, ships and other fields.  Essential details Product name:Carbon Square Steel Pipe Alloy Or Not:Non-Alloy Keyword:Ms Square Tube Section Shape:Square Type:SquareTubes Special Pipe:API Pipe Surface:Hot Dipped Galvanized Thickness:0.6 - 25 mm Technique:Cold Rolled Hot Rolled Standard:ASTM Material:Q195/Q235/Q345/SS400 Length:12M, 6m MOQ:1 Ton C…