Alloy Steel ASTM A234 WP22 Buttweld Fittings are one of the most demanding products among various industries around the world.We are a manufacturer, trader, stockist, supplier and exporter of A234 WPL22 Pipe Fittings which abide by the specifications of ASTM A234, which include wrought Carbon steel as well as Alloy Steel fittings, of seamless and welded construction.