Super duplex stainless steels are now widely used in a variety of challenging applications where their strength and resistance to corrosion are well suited. As applications continue to develop, the demand for seamless pipes, super duplex flanges and fittings has grown.
More recently, the demand for drinking water has driven the construction of desalination plants, converting seawater into fresh drinking water. Super duplex piping is typically used on the inlet side of the units, whilst duplex piping may be acceptable on the outlet side as the risk of corrosion diminishes.
As well as the above applications, super duplex stainless steel fittings, pipes and flanges are used in many different chemical processing applications; fertilizer manufacturing; flue gas desulphurization (FGD) systems and marine scrubbers; shipping, water treatment; industrial processing and general engineering.
Fortunately, Langley Alloys is well-placed to provide a complete piping packages services.
Super duplex pipe (seamless) is typically supplied to ASTM A790, or ASTM A928 (welded pipe).
Super duplex flanges are typically supplied to ASTM A182.
Super duplex fittings are typically supplied to ASTM A815.
