Astec tubes are the leading manufacturer and supplier of ASTM A234 WPB Pipe Fittings to our worldwide patrons. We manufactured and design these products using superior quality of alloy, accordance with national and international standards. We offer these products in different, sizes, shapes, thickness, etc. with a standard specification of these pipe fittings are ASTM A234/ASME SA234. ASTM A234 WPB material is used for pipe fittings and the main purpose of using this material is for pressure piping system of high and moderate temperature services. This material helps in indicating the different properties of alloy steel and carbon steel. WPB is one of the steel Grades where W stands for Weldable, P stands for Pressure, B stands for grade b, like API L Gr. B.A234 or ASTM A106 A53. This is the most conmen pipe fitting material used for high and medium temperature pipelines.