ASTM A999 PDF

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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ASTM A999 for Alloy and Stainless Steel Pipe

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. Rejected lots may be screened and resubmitted for visual and dimensional examination. 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.

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.

The tolerances on outside diameter include ovality except as provided for in This equipment does not preclude additional testing at earlier stages in the processing. Terms of Sale Privacy Policy.

A number in parentheses indicates the year of last reapproval. 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by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn. The standard sizes do not prohibit the production and use of other sizes of pipe produced to the various product specications referenced in 1.

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The inch-pound astk apply unless the “M” designation SI of the product specification is specified in the order. This standard does not purport to address all of the safety concerns, if any, associated with its use.

The manufacturer may reheat treat the pipe, but not more than twice, except with the approval of the purchaser. The chemical composition thus determined, or that determined from a product analysis made by the tubular product manufacturer shall conform to the requirements specied. astmm

ASTM A999/A999M – 18

It should be recognized that different techniques should be used to detect differently oriented imperfections. Notches shall be placed on both the OD and ID surfaces.

This standard does not purport to address all of the safety concerns, asm any, associated with its use. ASTM D e1. These requirements shall take precedence if there is a conict between these requirements and the product specication.

Disposition of rejected pipe shall be a matter of agreement between the manufacturer and the purchaser.

The pipe may be accepted based on visual examination provided that the imperfection is less than 0. During the rst step, which is a test for ductility, no cracks or breaks on the z999, outside, or end surfaces, except as provided for in This specification Footnote 2 covers a group of general requirements that, unless otherwise specified in an individual specification, shall apply to the ASTM product specifications noted below. 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.

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During the second step, which is a test for soundness, the attening shall be continued until the specimen breaks or the opposite walls of the pipe meet.

ASTM A for Alloy and Stainless Steel Pipe

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 s999 the tolerances specied for wall thickness or 0.

Flattening Test Requirements The bottom of imperfections shall be visible and the prole shall be rounded and faired-in.

Upon agreement between purchaser and manufacturer, Practice E shall be employed in addition to one of the full periphery tests. In the case of 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. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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Permissible Variations in Wall Thickness 9. The dimensions of these standards should not be construed as the minimum size imperfection detectable by such equipment. The sensitivity of this test decreases with thickness over 0. Repair by Welding To be accepted, retested pipe shall meet the test requirement.

Notwithstanding the absence of a signature, the organization submitting the EDI transmission is responsible for the content of a99 report.