Choose from our selection of steel pipe fittings, including metal pipe and pipe fittings, plastic pipe and pipe fittings, and more. In stock and ready to ship.

We carry not only one of the world’s largest inventories of pipe and tube, we supply all the matching fittings and flanges for any application. With more than 50,000 tons of inventory in stock, ready to ship same-day, we can deliver piping product solutions for you.

Get free shipping on qualified Steel Pipe & Fittings products or Buy Online Pick Up in Store today in the Plumbing Department.

Whether you’re redesigning a building’s plumbing or working on a copper-pipe do-it-yourself (DIY) project, we’ve got all the pipe and pipe fittings you need to get the job done. Looking for PEX …

Find expert-curated Carbon Steel Fittings & Flanges products from the #1 US plumbing supplier and top distributor of HVAC, waterworks, and MRO products.

American Piping Products is the largest supplier of steel pipe, tube, fittings & flanges in the United States. View our product catalog & request a quote.

Find class 3000# stainless-steel pipe fittings with dimensions and materials that conform to ASME B16.11, MSS-SP-79 (Inserts), MSS-SP-83 (Unions), and other standards where applicable. Threads conform to ASME B1.20.1 NPT.

Choose from our selection of metal pipe and pipe fittings, plastic pipe and pipe fittings, tubing and tube fittings, and more. In stock and ready to ship.

Crimp these fittings onto steel pipe to form a tightly sealed connection that’s faster than threading or welding and doesn’t require heat.

United States Fittings™ manufactures custom pipe fittings from carbon steel, stainless steel & aluminum. With our large manufacturing capacity, we provide custom pipe fittings to the world's most demanding industries.