347 Stainless Steel Seamless Pipe/ Tubo sin soldadura de acero inoxidable Main Standard: ASTM A213, ASTM A312, ASTM A269 Main Grade: 347; 1.455 Outer Diameter: 25.4-168mm Wall Thickness: 2-10mm Length: Random Surface Treatment: pickling or as customers’ requirement How is it Measured? Outer Diameter (A) X Schedule or Wall Thickness (B) X Length PS: Advantages Of Seamless Tubes & Pipes A. Heavy and thick wall thickness B. No weld seam. Generally be considered as better properties and corrosion resistance C. Better ovality, or roundness