Pipes, Fittings, and Flanges We can source a range of Seamless, and Welded Process and Line Pipes 12 to their Flange Fittings because to our extensive global network. This massive supply is only coming from end users and top producers that have achieved full accreditation. Welded Fittings Forged Pipes Seamless Flanges Spools & Fittings Butt Weld Fittings.