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  1. franciscogilberto

    API 5L grade B pipe can be used in continius high temp equipment

    ok guys lets see if someone give me any idea I have a phthalic anhydride reactor with a salt bath agitator. The structure of this agitator was made with pipes of ASTM 201 quality for high temp work. (400 Celcius). It is a 1,20 mt lenght pipe 8 inches diameter and half inch thick. What i have...
  2. franciscogilberto

    can i use ASTM A53 pipe 8" sch 80 at 400 C constant temp

    I am rebuilding a mixer that´s inside a salt bath inside a reactor. The only material that i have available is the 8 " sch. 80 ASTM A53 Gr. B, I´m worried about graphitizing. It will be working at 400 degrees Celcius constant. It will be used as support for the shaft wich is SS A420. Please...

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