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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Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Permissible Variations in Length BoxColumbus, OH — The manufacturer shall afford the inspector all reasonable facilities to satisfy him that a99 material is being furnished in accordance with this specication.

Extraneous signals caused by xstm causes such as dings, scratches, dents, straightener marks, etc. 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. 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 placed.

Nondestructive Test Requirements The values stated in either inch-pound units or SI units are to be regarded separately as standard. Current edition approved March 10, A signature or notarization is not required on the certied test report, but the document shall be dated and shall clearly identify the organization submitting the report.

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

ASTM A999 for Alloy and Stainless Steel Pipe

Individual lengths that do not conform to the test requirements may be resubmitted for test provided the reason for nonconformance is established and the nonconforming portion removed.

In the case of conflict between a requirement of a product specification and a requirement of this specification, the product specification shall prevail. Notches shall be placed on both the OD and ID surfaces. Packaging, Marking, and Loading A lot shall be all material poured from one heat.


The standard sizes do not prohibit the production and use of other sizes of pipe produced to the various product specications referenced in 1.

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. Sampling inspection, as part of the manufacturing operations, is an acceptable practice to ascertain conformance to requirements, however, this does not authorize submission of known defective material, either indicated or 7 A lot shall consist of all pipe of the same outside diameter and wall thickness manufactured during an 8-h shift from the same heat of steel, and heat treated under the same conditions of temperature and time in a single charge in a batch type furnace, or heat treated under the same condition in a continuous furnace, and presented for inspection at the same time.

The width of the notch shall not exceed twice the depth. Each length of repaired pipe shall be nondestructively tested as required by the product specication. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. This procedure shall be available for audit.

These pipes may be repaired when such repair is permitted by the applicable product specication. Repair by Welding If secondary melting processes are employed, the heat analysis shall be obtained from one remelted ingot or the product of one remelted ingot of each primary melt.

ASTM A for Alloy and Stainless Steel Pipe

One hole shall be drilled in the weld, if visible. The area producing the signal may be reexamined.

During the rst step, which is a test for ductility, no cracks or breaks on the inside or outside surfaces, except as provided for in This letter may be removed after completion of all requirements in accordance with the specication. Only one retest of any lot will be permitted. Marking shall begin approximately 12 in.

The range of pipe sizes that may be examined by each method shall be subject aastm the limitations in the scope of the respective practices. Government where scale-free pipe aztm required. Surface imperfections such as handling marks, straightening marks, light mandrel and die marks, shallow pits, and scale pattern will not be considered injurious if the imperfections are removable within the tolerances specied for wall thickness or 0. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.


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 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.

This specification Footnote 2 covers a group asmt general requirements that, unless otherwise specified in an individual specification, shall apply to the ASTM product specifications noted below. On specied walls up to 0.

The diameter tolerances of Table 1 are usually not sufficient to provide for additional ovality expected in thin-wall pipe. To be accepted, retested pipe shall meet the ast, requirement.

A superscript epsilon e indicates an editorial change aatm the last revision or reapproval. The hydrostatic test may be performed prior to cutting to nal length, or prior to upsetting, swaging, expanding, bending, or other forming operations.

ASTM A999/A999M – 18

Link to Active This link will always route to the current Active version of the standard. NOTE 2—Thin-wall pipe usually develops signicant ovality out-ofroundness during nal annealing, straightening, or both. A Maximum Curvature in any 3 ft, in. Disposition of rejected pipe shall be a matter of agreement between the manufacturer and the purchaser. The examination may not detect short deep defects. The inch-pound units apply unless the “M” designation SI of the product specification is specified in the order.

Flattening Test Requirements