ASTM A213/SA213 T9, T11, T22, T91 Alloy and Stainless Tubing …
Common grades are T9, T11, T12, T21, T22, T91 and stainless grades in TP304 or TP316. ASTM A213 tubing used in high temperature services especially for the boiler and superheater. Tube material could be in alloy and stainless steel, manufacturing type in seamless of hot rolled and cold drawn. ... View below of ASTM A213 tubing chemical ...