ASTM A312 is a specification which envelopes both seamless and welded austenitic stainless steel pipes. Typically, the ASTM A312 TP904L Welded Pipes, Stainless Steel 904L Seamless /Welded Pipes is intended to be used for high temperature application and corrosive service or it could be used in an environment where the occurrence of both conditions is simultaneously possible.
Applications of the ASTM B677 TP 904L Round Pipes is seen in Control and instrumentation, Cooling equipment for seawater, Heat exchangers, Gas washing, Chemical processing of sulphuric, phosphoric and acetic acids, Pharmaceutical production, Condenser tubes as well as Oil and gas industry. The maximum service temperature of the stainless steel grade 904L is at 450°C.
Stainless Steel 904L Seamless /Welded Pipes
SS 904L Pipes
Generally, the 904L Steel Pipes, TP904L Stainless Steel Pipes produced under either of the above mentioned specifications is in the size ranging between ¼ inch to about 16 inches, whereas the schedule chart constitutes of pipes produced in the following schedules i.e. - Sch 10, 40, 80 and 160 in addition to Sch XS and XXS. The outside diameter of grade 904L Stainless Steel Seamless Pipes could fall in the range of 3 mm to 219.10 mm. If required by the client the surface of SS 904L Square Pipes, 904L Stainless Steel Pipes Suppliers produced could be either left bare or could be finished by coating by different procedures such as mirror finish, polishing, hot dip galvanization etc.
Learn more about the price list for Stainless Steel 904L Pipes here.