Fabrication – ASME

Over 40 years of experience

Superior has fabricated numerous boilers, pressure vessels, tanks, and pieces of process equipment for many different industries. Whether the material requirement is standard carbon steel, various types of stainless steel, hastelloy, monel, inconel or any other exotic materials. Superior Service Co., Inc. has the expertise and experience to design, fabricate, and install a variety of ASME code vessels.

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Stamps and Certifications

Superior Service Co., Inc. is an ASME code fabricator and holds R, S, & U stamps along with a PP certification for Pressure Piping.


    “R” stamp certification for repairs and alterations under NBIC (National Board Inspection Code).


    “S” stamp certification for design and fabrication of pressure vessels under ASME Section I (Power Boilers).


    “U” stamp certification for design and fabrication of pressure vessels under ASME Section VIII, Division 1 (Unfired Pressure Vessels)


    Superior Service also holds a “PP” certification for construction and component manufacturing under ASME B31.1. (Pressure Piping)

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    Our Engineering Department

    Our engineering department utilizes the latest software for pressure vessel design calculations and document preparation. Our in-house detailers prepare detailed fabrication drawings and general arrangements.

    Our Quality Control Department

    Our quality control department implements in-house and customer-required hold points as well as initiates in-process and final inspections so that all requirements of the code are met or exceeded. We work with a 3rd party National Board registered inspection firm as required by the stringent requirements of the ASME code.

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    From shop fabrication to field-welded tanks and much more

    Superior offers you a talented team of experts in this specialized field. Our capabilities range from assisting with the initial design all the way through fabrication and completion of the construction.

    Our fabrication team includes highly experienced supervisors, as well as certified welders and personnel who possess multi-craft skills. In addition, we hold ASME R, S, and U certifications. Regardless of your unique fabrication needs, chances are we have the skills and resources to get the job done with absolute precision and utmost quality.

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