The Carbon/Alloy/Stainless Steel Tube Sheets are used in the manufacture of heat exchangers and pressure vessels to secure the tube bundle inside the pressure vessel or in heat exchanger. Chaudhry Hammer Works Ltd. Manufactures Carbon/Alloy/Stainless Steel Tube Sheets. Chaudhry Hammer Works Ltd. Is an ISO 9001:2000, 14001:2004 and OHSAS 18001:2007 certified company. These Tube Sheets can be supplied in fully machined and drilled condition.