ASTM A106 A106M Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service.

ASTM A106 A106M Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service.


1.1 This specification2 covers seamless carbon steel pipe for high-temperature service (Note 1) in NPS 1⁄8 to NPS 48 [DN 6 to DN 1200] (Note 2) inclusive, with nominal (average) wall thickness as given in ASME B 36.10M. It shall be permissible to furnish pipe having other dimensions provided such pipe complies with all other requirements of this specification. Pipe ordered under this specification shall be suitable for bending, flanging, and similar forming operations, and for welding.When the steel is to be welded, it is presupposed that a welding procedure suitable to the grade of steel and intended use or service will be utilized.

NOTE 1—It is suggested, consideration be given to possible graphitization.

NOTE 2—The dimensionless designator NPS (nominal pipe size) [DN (diameter nominal)] has been substituted in this standard for such traditional terms as “nominal diameter,” “size,” and “nominal size.”

1.2 Supplementary requirements of an optional nature are provided for seamless pipe intended for use in applications where a superior grade of pipe is required. These supplementary requirements call for additional tests to be made and when desired shall be so stated in the order.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.4 The following precautionary caveat pertains only to the test method portion, Sections 11, 12, and 13 of this specification:

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Reference Documents.

2.1 ASTM Standards:

A530/A530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe

E213 Practice for Ultrasonic Testing of Metal Pipe and Tubing

E309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation

E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings

E570 Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products

2.2 ASME Standard:

ASME B 36.10M Welded and SeamlessWrought Steel Pipe4

2.3 Military Standards:

MIL-STD-129 Marking for Shipment and Storage5

MIL-STD-163 Steel Mill Products, Preparation for Shipment and Storage5

2.4 Federal Standard:

Fed. Std. No. 123 Marking for Shipments (Civil Agencies)5

Fed. Std. No. 183 Continuous Identification Marking of Iron and Steel Products5

2.5 Other Standards:

SSPC-SP 6 Surface Preparation Specification No. 6

3. Ordering Information.

3.1 The inclusion of the following, as required will describe the desired material adequately, when ordered under this specification.

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