ASTM A / AM – 16 Standard Specification for General Requirements for Alloy and Stainless Steel Pipe. This specification(Footnote 2). This standard is issued under the fixed designation A/AM; the number immediately specification, shall apply to the ASTM product specifications. Tolerances acc. ASTM A (welded and seamless pipes). OD mm. Tol. OD. ( mm). t/m. + > t/m. + > t/ m.

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The range of pipe sizes that sstm be examined by each method shall be subject to the limitations in the scope of the respective practices. All required tests and inspection shall be made at the place of manufacture prior to shipment, unless otherwise specied, and shall be conducted so as not to interfere unnecessarily with operation of the works. ASTM Desig- nation 3. Repair by Welding To be accepted, retested pipe shall meet the test requirement.

These pipes may be repaired when such repair is permitted by the applicable product specication. There shall be no variation over the specied inside diameter.

The examination may not detect short deep defects. The values stated in each system are not exact equivalents; therefore each system is to be used independently of the other without combining values in any way. This standard does not purport to address all of the safety concerns, if any, associated with its use.

Combining values from the two systems may result in nonconformance with the specication.

ASTM A for Alloy and Stainless Steel Pipe

Nonconformance will be cause for the asym of the lot. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn. With the text, the SI units are shown in brackets. Rejected lots may be screened and resubmitted for visual and dimensional examination. Combining values from the two systems may result in non-conformance with the standard. Permissible Variation in Weight for Seamless Pipe 8.


Current News Archive Standard Technically. Except as otherwise specied in the contract or purchase order, the manufacturer may use his own or any other suitable facilities for the performance of the inspection and test requirements unless disapproved by the purchaser at the time the order is x999.

ASTM A999 for Alloy and Stainless Steel Pipe

When using small or subsize specimens, the largest one possible shall be used. The dimensions of these standards should not be construed as the minimum astmm imperfection detectable by such equipment. In the case adtm conflict between a requirement of the product specification or a requirement of this specification and a more stringent requirement of the purchase order, the purchase order shall prevail. Nominal Average Thickness tn in. The pipe may be accepted based on visual examination provided that the imperfection is less than 0.

Historical Version s – view previous versions of standard. The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specication.

The values stated in either inch-pound units or SI units are to be regarded separately as standard. BoxColumbus, OH — NOTE 4—Notwithstanding the absence of a signature or notarization, the organization submitting the Report is responsible for the contents of the report. Defects shall be thoroughly chipped or ground out before welding and each repaired length shall be reheat treated or stress asstm as required by the applicable specication.


During the rst step, which is a test for ductility, no cracks or breaks on the inside, outside, or end surfaces, except as provided for in Extraneous signals caused by identiable causes such as awtm, scratches, dents, straightener marks, etc.

Permissible Variations in Wall Thickness 9. In the case of conict between a requirement of the product specication or a requirement of this specication and a more stringent requirement of the purchase order, the purchase order shall prevail.

The inch-pound units apply unless the “M” designation SI of the product specification is specified in the order. The manufacturer may reheat treat the pipe, but not more than twice, except with the approval of the purchaser.

Work Item s – proposed revisions of this standard. The internal surface of hot nished ferritic steel pipe shall be pickled or blast cleaned to a free of scale condition equivalent to the CSa2 visual standard in SSPC-SP6. These requirements shall take precedence if there is a conict between these requirements and the product specication.