1.5-6mm F120 Steel Pipe Production Line For Square And Rectangular Pipe Product Overview The 1.5-6mm F120 Pipe Production Line is a high-frequency welded pipe mill designed for manufacturing square (50×50-120×120mm) and rectangular (50×70-80×120) steel pipes with thickness ranging from 1.5-6mm. This industrial-grade production line is engineered for energy supply pipe applications, featuring advanced forming technology and precision control. Key Specifications Attribute Value