ASME and National Board Certifications
ASME and National Board Certifications
ASME and National Board Certifications

ASME and National Board Certifications

TNT Industrial Contractors, Inc. is certified to build, repair, and alter pressure vessels and repair and alter boilers per ASME Section VIII, and NBIC pressure vessel codes.

We are also certified to fabricate and install pressure piping per ASME B31.1 and B31.3 piping codes. All of our welding is done to ASME Section IX. Our ASME and National Board Certifications are as follows: "R" Stamp to Perform Alterations and Repairs to Power Boilers and Pressure Vessels. "S" Stamp to Fabricate and Assemble Boilers, Boiler Components and Pressure Piping. We have weld procedures for the following materials: Carbon Steel, Stainless Steel, Chrome Moly P-11/P-22/P-91, Nickel 200/201, Monel 400 & R-405, Hastelloy (all alloys), Nicofer 6025HT, Inconel (all alloys), Carpenter 20, 20Mo6, HR120, SM2035, Haynes Alloy 20, AL6X, AL6XN, JS700, Incoloy (all alloys), VDM 1925, 25-6Mo, Zirconium.

ASME PRINTABLE FLYER

Parts for High Pressure Steam and High Temperature Hot Water Boilers Parts for high pressure boilers are manufactured under authorization of our ASME Code Symbol "S" and stamped accordingly. These parts can range from simple piping up to complex tube parts. Some parts may be made for others to install or require our Code Certified welders and mechanics to do the installation. Parts for Low Pressure Steam and Hot Water Boilers Parts for low pressure boilers are manufactured under authorization of our National Board Certificate to use the "R" Symbol. These parts are primarily used for repairs to low pressure boilers. The parts can range from simple piping up to complex replacement sections of boilers. These parts are installed by our code certified welders and mechanics.

TNT Repairs

Repairs Repairs and or Alterations to High Pressure Boilers Repairs or alterations to high pressure steam and high temperature hot water boilers are performed at our shop or in the field under authorization to use the National Board of Boiler and Pressure Vessel Inspectors "R" Symbol. We are at home working on water tube or fire tube boilers. Tube replacement, casing replacement, crack repairs, and patching of the vessel are some of the common projects that are undertaken every day. Repairs and or Alterations to Low Pressure Boilers Repairs or alterations to low pressure steam and hot water heating boilers are performed at our shop or in the field under authorization to use the National Board of Boiler and Pressure Vessel Inspectors "R" Symbol . We are at home working on water tube or fire tube boilers. Tube replacement, casing replacement, crack repairs, and patching of the vessel are some of the common projects that are undertaken every day. Repairs and or Alterations to Pressure Vessels Repairs or alterations to pressure vessels are performed at our shop or in the field under authorization to use the National Board of Boiler and Pressure Vessel Inspectors "R" Symbol. Alterations can be as un-intrusive as performing design calculations for pressure re-rating to changes involving larger connections and derating the operating pressure.

TNT Repairs

Process Piping for General Building Service Process piping which does not fall with in the requirements of ASME Section I is designed fabricated and installed in accordance with ASME B31.3 Process Piping Code. These projects may be done in our shop or at field locations or a combination of both. Code Required Certified Piping for High Pressure Boilers Code piping for high pressure boilers as required by Section I Power Boilers of the ASME Code is manufactured and installed using the standards set forth in ASME Section B31.1 Power Piping Code. These projects may be done in our shop or at field locations or a combination of both.