USF Welder

We Are Certified

USF WelderUS Fittings, Inc. is pleased to announce that we recently re-certified our welding department to American Welding Society 6G Certification. The testing was performed by Independent Welding Inspectors and it is widely accepted as the most difficult certification to complete. Each of our welders is trained to our Welding Procedure Specifications (WPS) and supported by our Procedure Qualification Records (PQR). Our customers can have confidence when purchasing quality butt weld fittings from USF that we certify our products with the documentation required to meet ASME Section IX requirements.

USF has completed a quality audit by a leading global PVF distributor who supplies the most demanding users of energy and industrial PVF products in the business. Among the processes we are compliant is material traceability, equipment calibration, product drawing control and final inspection.

United States Fittings Gets Shipped to Iraq!

stub-endsU.S. Fittings recently received inquiries from several distributors for (10) ea 16” Extra Heavy MSS-A Stub End Fittings with an additional requirement for non-destructive inspection of the welds. The end customer, a division of Exxon Mobile in Iraq, had an urgent need for these fittings. With quick lead times being our specialty, we got to work right away. Within a few short weeks we had radiographic certified 16” Extra Heavy MSS-A Stub End Fittings in Iraq for the end user’s application.

Request A Quote

The next time you’re looking for custom fittings with a custom lead time, contact the team at U.S. Fittings or go to our Request A Quote page online.

Download A Line CardLine-Card-Image

You can also download a line card to keep our product line at your finger tips by clicking on the image to the right, or download line card here.

We Moved! That’s Good News for Our Customers.


United States Fittings, Inc (USFI) is proud to announce we have recently completed our move to a 27,000 square foot manufacturing facility in Twinsburg (Cleveland), Ohio.


Shorter Lead Times

Moving into a larger facility has enabled USFI to begin adding equipment and technology to increase production and reduce lead times.  Our larger facility also allows us to increase the inventory of fittings in stock that you have come to rely on us for.


Updated Line Card

To download the most recent version of our line card, click here


We look forward to the opportunity to quote more of your specialty fittings requirements. Contact USFI today for a variety of fittings including laterals,crosses, true wyes, tees, shaped nipples, spool pieces, stub ends, flanged fittings, large diameter fittings and custom fittings. Call (234)212-9420 or use our Request a Quote page.


Made In America!

Made In America Fittings

Do you or your customers need to meet Buy in America Requirements? We recently shipped two 12″ Carbon Steel Crosses to a leading manufacturer of municipal water towers.


We manufactured these fittings from domestic pipe so 100% of the fitting content is of United States origin. Request A Same-Day Quote


Headed to Detroit!

Made In America Fittings Headed To Detroit!

As part of a custom project with Motor City Pipe & Supply – a leading distributor in the Detroit, Michigan area since 1962, USF manufactured specialty spooled pieces for the City of Detroit water department.


These fittings are rubber-lined to prevent corrosion, and will be installed to add chlorine to the water system. These spooled pieces are 2″ x 6″ OAL – with a 2″ slip-on flange on one side, and a 10″ flat faces slip-on flange on the other. Request A Same-Day Quote


Fabricated P-Traps

Fabricated P-Traps

P-Traps are designed to allow fluid to rest in the bottom of the fitting which then prevents vapors or gases from being release back up through the drain line. USF manufacturers P-Traps using 3 long radius 90′ ells welded together.


Check out our P-Traps & 180° Return Bends for more information.


Fabricated Crosses

Custom Fabricated Crosses

United States Fittings manufacturers numerous types of crosses in all sizes, alloys and schedules. We offer segweld crosses manufactured from pipe and welded crosses manufactured from tees. Reducing crosses are also available from split tees and nozzle welded from pipe which are particularly difficult to find otherwise.

We also offer non-destructive testing on all of our fittings including radiograph, ultrasonic, magnetic particle and dye penetrant. Common sizes and schedules are generally available from our stock inventory.

Check out our Fabricated Crosses for more information.


Custom True Wye Pipe Fitting

Specialty Fittings for the Mining Industry

Specialty Fittingstrue-wye

United States Fittings recently delivered a 5″ Schedule 40 6061 T-6 Aluminum 90° threaded True Wye. The end customer is a manufacturer of specialty chemicals for the mining industry. We specialize in the manufacturing of high quality Butt Weld Fittings in most sizes, alloys and schedules.


carbon stub end

USF’s Stamp of Approval

USFI-stampThe USFI Stamp of Approval

Each fittings that leaves our warehouse is fabricated and designed to meet all standard specifications and once it’s ready to be delivered we make sure each fitting is stamped with a fully traceable unique code. This allows for easy tracking but also lets us provide material test reports to ensure that your fitting meets your expectations.

Intel Corporation Case Study

Intel Corporation Case Study

Intel Corporation Case Study

Case-Study-IntelUnited States Fittings is presently completing delivery of more than 300 X-Ray fittings meeting ASME B31.3 for highly critical utility process for Intel Corporation. With our skilled machinists and welders, we are pleased to supply Butt Weld Fittings that satisfy the most critical fluid process applications in PVF industry. Material Test Reports and Radiographic Inspection Certification are also traceable to each fitting that we ship.





Intel Corporation Custom X-Ray Fittings Intel Corporation Custom X-Ray Fittings
Intel Corporation Custom X-Ray Fittings Intel Corporation Custom X-Ray Fittings