McMaster-Carr offers a wide selection of pipe fittings and pipe for industrial applications. Their pipe fittings include elbows, tees, couplings, flanges, unions, and adapters in various materials like stainless steel, carbon steel, brass, and more. Pipe options include seamless, welded, and corrugated in sizes from 1/8" to 24". Both pipe and fittings come in various schedules and pressure ratings. With a huge inventory, McMaster-Carr is a top supplier of pipe fittings and pipe for connecting and assembling fluid and air transfer piping systems.