ASTM B429-02 pdf free.Standard Specification for Aluminum-Alloy Extruded Structural Pipe and Tube.
The maximum and minimum wall thicknesses,outsidediameters and nominal weights of standard sizes of pipe areshown in Table 3.
The pipe or tube shall be supplied in the mill finish,with plain ends,and shall be of uniform quality and temper,sound and free from injurious defects. Discoloration that ischaracteristic of proper solution heat treatment shall not because for rejection.
Each length of pipe and tube shall be examined todetermine conformance to this specification with respect togeneral quality and identification marking. On approval of thepurchaser, however, the producer may use a system of statis-tical quality control for such examinations.
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.Allspecimens 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 material to thepurchaser. As much as possible of the rejected material shall bereturned to the producer or supplier.ASTM B429 pdf download.