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Company Established In
1946

COMPANY INFORMATION

EMPLOYEES
250-500

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Major Tool & Machine Inc. (MTM) is a contract manufacturer located in Indianapolis, Indiana that supports original equipment manufacturers through their outsourcing of component parts and assemblies that require welding, high precision CNC machining (milling and turning), inspection, assembly, and manufacturing engineering services.

Our Welding Department has extensive experience with a vast array of materials ranging from high nickel alloys and stainless steel to carbon steels, aluminum, and titanium. Combine this experience with our talented welders and state-of-the-art equipment and we can satisfy all of your requirements.

Major Tool & Machine employs over 60 certified welders/welding operators, 8 American Welding Society (AWS) certified welding inspectors (SCWI / CWI / CAWI), and 4 welding engineers. Our Welding Department’s proficiency exceeds many industry standards including ASME, AWS, Military, and DIN.

We maintain over 200 welding procedures qualified in accordance with ASME Section IX. This results in quick access to a wealth of welding information and data for a wide variety of materials.


Weld Development School

Our 2,900 square foot Welding Development / Training area with 8 fully equipped welding booths, welding positioner, plasma cutting units, manual oxy-fuel cutting equipment, and a mechanized oxy-fuel cutting table. This program is utilized to refine welding processes and to train / develop employee skills in fabricating and welding.


Welding & Related Processes

•Gas Tungsten Arc Welding (GTAW)
•Gas metal arc welding (GMAW)
•Pulsed gas metal arc welding (GMAW-P)
•Pulsed gas tungsten arc welding (GTAW-P)
•Flux cored arc welding (FCAW)
•Submerged arc welding (SAW)
•Plasma arc welding (PAW)
•Laser beam welding (LBW)
•Shielded metal arc welding (SMAW)
•Arc stud welding (SW)
•Oxyfuel gas cutting (OFC)
•Plasma arc cutting (PAC)
•Air carbon arc cutting / gouging (CAC-A)
•Laser beam cutting (LBC)


Nuclear Welding

•NPT – Stamp
- Class 1, 2, 3, CS, MC, TC & CS Fabrication without design responsibility.
•N – Stamp
- Class 1, 2, 3, & MC – Vessels
- Class 1, 2, 3 – Piping Systems
- Class 2 & 3 – Storage Tanks
•N3 – Stamp
- Class TC Transportation Containments & Class CS Storage Containments
•NS – Stamp
- Class 1, 2, 3 & MC Fabrication of Supports without design responsibility


Supporting Equipment

Pandjiris – Submerged Arc Cell
•14 ft Stroke, 360 Power Rotation
•Custom Triple Arc Weld Torch Assembly
•Automatic Seam Tracker
•3 Lincoln K2344-2 Power Wave AC/DC 1000 Amp Power Source

Welding Positioner
•21 Total, Weld Positioners (Contact Us for More Information)
•Capacity up to 50,000 lbs.
•Automatic Tilt & Rotate Configuration

Turning Rolls
•Six Sets Turning Rolls
•30 – Ton Capacity
•Pipe Diameter Range 12 in to 16 ft