321 Stainless Steel Seamless Pipe/ Tubo sin soldadura de acero inoxidable 321 stainless steel is Ni Cr Ti type austenitic stainless steel, which has wear resistance, high temperature resistance, creep resistance, etc. Application: 321 stainless steel seamless pipe is used to manufacture lining and transportation pipeline of wear-resistant acid container and wear-resistant equipment. Main Standard: ASTM A213, ASTM A312, ASTM A269 Main Grade: 321; 1.4541 Outer Diameter: 14-273mm Wall Thickness: 2-8mm 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