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q explain about nonconforming materialif pmi test results indicate that the material or item does not meet the specified composition of the alloy the
the suppliersubcontractor shall submit for acceptance their material traceability and pmi program and procedures which shall comply with this
q process of alloy materials samplingthe following alloy-materials require a minimum of 10 per lot representative pmi sampling if any incorrect
q show pmi testing of alloy materialssuppliers and construction subcontractors are required to verify or conduct pmi testing of alloy materials that
q show construction subcontractor responsibilitiesthe supplier or construction subcontractor is responsible forbullemploying qualified pmi
at site locations the worleyparsons qc specialist qcs is responsible to verify that the requirements for pmi as specified in the purchase
q define pressure- retaining componentscomponents acting as pressure envelope or boundary breach of this envelope or boundary would lead to loss of
q positive material identification testingany physical evaluation or a test of a material to confirm that the material which has been or will be
q describe about carbon steelsteel having no specified minimum quantity for any alloying element other than commonly accepted amounts of manganese
q what do you mean by alloysmetallic materials that contain alloying elements including chromium cr cobalt co columbium or niobium cb or nb copper cu
q corrosion resistance of tantalumtantalum is readily attacked by strong alkalis even at room temperature and therefore is not suitable for use in
q what is tantalumtantalum is one of the most corrosion-resistant metals known however the high cost of tantalum has limited its commercial use as
q corrosion resistance of zirconiumzirconium offers excellent corrosion resistance to most oxidizing and reducing acids and virtually all alkalis
q define zirconium and its alloyszirconium and its alloys were developed primarily for the nuclear industry but have found many industrial
q corrosion resistance of the nickel-based alloysthe corrosion resistance of the nickel-based alloys can also be significantly affected by other
q define corrosion-resistant nickel-based alloysthe corrosion-resistant nickel-based alloys offer a significant improvement in corrosion resistance
the corrosion resistance of the austenitic stainless steels within the concentration and temperature conditions described above relies on the
q describe about austenitic stainless steelsaustenitic stainless steels 300 series generally exhibit very good corrosion resistance in sulphuric acid
q effect on the corrosion rate of carbon steelthe velocity of the acid has a significant effect on the corrosion rate of carbon steel the
q what is carbon steelcarbon steel has long been used for handling concentrated sulphuric acid under ambient temperature and low velocity conditions
q explain about corrosion ratescorrosion rates of lt 5 mpy lt 013 mmpy will produce minimal dimensional changes over the service life of the metal
q scope of materials for sulfuric acid servicethis engineering practice presents materials of construction commonly used in sulfuric acid service the
q intermodular piping connectionsalignment of pies shall be achieved as detailed in the construction drawings special attention shall be paid to the
q gasket installation in module site installationgasket will be installed after modules are set normally rtj flanges require mating flanges to be
q what do you mean by levelling procedurethe surveyor shall calculate required field adjustment in module elevation based on data from survey in