ASTM-B241/B241M:16 pdf free download – Standard Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube.
18. Retest and Rejection
18.1 If any material fails to conform to all of the applicable requirements of this specification, the inspection lot shall he rejected.
18.2 When there is evidence that a failed specimen was not representative of the inspection lot and when no other sampling plan is provided or approved by the purchaser through the contract or purchase order, at least two additional specimens shall be selected to replace each test specimen that failed. All specimens so selected for retest shall meet the requirements of the specification or the lot shall be subject to rejection.
18.3 Material in which defects are discovered subsequent to inspection may be rejected.
18.4 If material is rejected by the purchaser, the producer or supplier is responsible only for replacement of material to the purchaser. As much as possible of the rejected material shall be returned to the producer or supplier.
19. Identification Marking of Product
19.1 All pipe and tube shall be marked in accordance with Practice B666/B666M, unless otherwise specified, and when specified (4.2.11) the marking legend shall include the word “seamless.”
19.2 The requirements specified in 19.1 are minimum. Marking systems that involve added information, larger characters and greater frequencies are acceptable under this specification.
20. Packaging and Package Marking
20.1 The material shall be packaged to provide adequate protection during normal handling and transportation and each package shall contain only one size, alloy, and temper of material unless otherwise agreed upon. The type of packaging and gross weight of containers shall, unless otherwise agreed upon, be at the producer’s discretion, provided that they are such as to ensure acceptance by common or other carriers for safe transportation at the lowest rate to the delivery point.
20.2 Each shipping container shall be marked with the purchase order number, material size, specification number, alloy and temper, gross and net weights, and the producer’s name or trademark.
20.3 When specified in the contract or purchase order, material shall he preserved, packaged, and packed in accordance with the requirements of Practices B660. The applicable levels shall he as specified in the contract or order. Marking for shipment of such material shall be in accordance with Fed. Std. No. 123 for civilian agencies and MIL-STD-129 for military agencies.
21. CertifIcation
21.1 The supplier or producer shall, on request. furnish to the purchaser a certificate stating that the material has been sampled, tested, and inspected in accordance with this specification, and has met the requirements.
A1.I Mechanical property limits are established in accordance with Section 6, Standards Section, of the most current edition of the Aluminum Standards and Data and the latest edition of the Aluminum Association publication Tempers for Aluminum and Aluminum Alloy Products (Yellow and Tan Sheets)”.