The Self Reinforced Nozzles and Hollow Flanges is made with plain end as well as with complex profiling in fully machined condition for Pressure Vessels designed to ANSI, ASME codes in all steel grades. Chaudhry Hammer Works Ltd. Offers Self Reinforced Nozzles and Hollow Flanges. Chaudhry Hammer Works Ltd. Is an ISO 9001:2000, 14001:2004 and OHSAS 18001:2007 registered organization. These Nozzles and Flanges are made in carbon, alloy and stainless steel.