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Details
1.1 This specification covers UNS N08925,2 UNS N08354, and UNS N08926 welded tube for general corrosion applications.
1.2 This specification covers outside diameter and nominal wall tube.
1.2.1 The tube sizes covered by this specification are 1/8 to 5 in. (3.2 to 127 mm) in outside diameter and 0.015 to 0.320 in. (0.38 to 8.13 mm), inclusive, in wall thickness.
1.3 ASTM International has adopted definitions whereby some grades, such as UNS N08904, previously in this specification were recognized as stainless steels, because those grades have iron as the largest element by mass percent. Such grades are under the oversight of ASTM Committee A01 and its subcommittees. The products of N08904 previously covered in this specification are now covered by Specification A249/A249M.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Rationale:
This specification covers the standard for UNS N08923, UNS N0835, and UNS N08926 welded tube for general corrosion applications. The tubes shall be manufactured from flat-rolled alloy by an automatic welding process with no addition of filler metal. The tubes shall also undergo cold-working subsequent to welding and prior to final heat treatment. Mechanical properties such as tensile strength, yield strength, and elongation shall be examined accordingly. Each specimen shall also be subjected to a flattening test, flange test, and nondestructive testing such as hydrostatic, pneumatic, eddy current, ultrasonic, leak, and electric test.
Additional Info
| Author | American Society for Testing and Materials (ASTM International) |
|---|---|
| Committee | B02.07 - Committee B02 on Nonferrous Metals and Alloys |
| Published by | ASTM |
| Document type | Standard |
| Theme | ,Nickel and chromium products |
| ICS | 77.150.40 : Nickel and chromium products
|
| Number of pages | 3 |
| Replace | ASTM B674-05(2016) |
| Set | ASTM Volume 02.04 - Multi-User - Single-Site Online |
| Document history | ,,,,, |
| Keyword | B674 |
