SanAo Welded Perforated Metal Tube is made of carbon steel and stainless steel by straight seam welding method, it is suitable for filter cores which can withstand quick flow of liquid and support the outside filter mesh layer. Micron slotted hole perforated steel tubing is used as filter cylinder or casing tube in oil drilling, mine developing and other industries. Except of straight butt seam welding method , we also offer spiral lock seam welding. spot welding tubes, longitudinal/straight seam tubes, straight seam tack welded tubes, abutted seam tubes, straight lock seam tubes, and more.
General Product Descriptions:
Material: mild carbon steel, stainless steel SUS304,SUS316,SUS316L
Outside diameter: from 1"to 5";
Length: to any length, up to 4 meters
Holes pattern: round, square, oblong, hexagon
Hole diameter: 0.4mm -20mm
Open area: up to 65%;
Wall Thickness: 1mm to 5mm
Applications: Exhaust system; filtration systems, aerospace, paper & pulp, petrochemical, oil and gas, decorative architectural purposes and so on.