procurement of exchanger tubes - 1350 nos procurement of exchanger tubes - 1350 nos , heat exchanger tubes – ss 304 seamless, cold drawn stress relieved and annealed tube size: outside dia : 19.00 mm minimum wall thickness:2.11 mm length: 6005 mm material: austenitic alloy steel as per p astm a 213 tp 304 annealed at 1040 deg.c ( or ) at higher temperature testing standard: as per astm a 450. vendor has to submit quotation along with mfl approved qap and the qap is to bestrictly followed for manufacturing, testing & supply. third party inspection is required, vendor has to select any one of tpi agencies given in the qap. note: 1 ) tube manufacturers are onlyallowed to supply not from dealers / stockists 2 ) acceptable make: manufactured in india only , oil resistant grade cover rubber,