ASTM B483/B483M-03 pdf free.Standard Specification for Aluminum and Aluminum-Alloy Drawn Tube and Pipe for General Purpose Applications.
14.2 Each tube shall be examined to determine conformanceto this specification with respect to general quality and identi-fication marking.On approval of the purchaser, however， theproducer may use a system of statistical quality control forsuch examinations.
When so specified in the contract or purchase order,both ends of each length of pipe, except pipe of 3003-H112 alloytemper，shall be threaded using an American NationaStandard Taper Pipe Thread. The variation from standard,when tested with the standard working gage, shall not exceed±1 1/ turns. The threaded ends shall be free from burrs andsuitably protected against damage in transit.If the purchaser desires that his representative inspector witness the inspection and testing of the material prior toshipment,such agreement shall be made by the purchaser andproducer as part of the purchase contract.
When such inspection or witness of inspection andtesting is agreed upon, the producer shall afford the purchaser’srepresentative all reasonable facilities to satisfy him that thematerial meets the requirements of this specification. Inspec-tion and tests shall be conducted so there is no unnecessaryinterference with the producer’s operations.If any material fails to conform to all of the applicablerequirements of this specification, it shall be cause for rejectionof the inspection lot.When there is evidence that a failed specimen was notrepresentative of the inspection lot and when no other samplingplan is provided or approved by the purchaser through thecontract or purchase order，at least two additional specimensshall be selected to replace each test specimen that failed.All specimens so selected for retest shall meet the requirements ofthe specification or the lot shall be subject to rejection.
Material in which defects are discovered subsequent toinspection may be rejected.
If material is rejected by the purchaser, the producer orsupplier is responsible only for replacement of the material tothe purchaser. As much as possible of the rejected materialshall be returned to the producer or supplier by the purchaser.ASTM B483 pdf download.