ASTM A 739 : 1990 : REV A : R2022
Current
The latest, up-to-date edition.
Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both
Hardcopy , PDF
English
07-03-2022
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
A 01
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| DocumentType |
Standard
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| Pages |
2
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| PublisherName |
American Society for Testing and Materials
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| Status |
Current
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| Supersedes |
1.1This specification2 covers hot-wrought, ferritic alloy steel bars for elevated temperature or pressure-containing parts suitable for fusion welding or both.
1.2The bars are furnished in the following grades:
| Grade B 11: 1.25 % chromium, 0.55 % molybdenum |
| Grade B 22: 2.25 % chromium, 1.00 % molybdenum |
1.3The 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.
1.4This 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.
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