ASTM A739-90a(2022)
Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both
standard by ASTM International, 02/28/2022
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About This Item
Full Description
1.1''This specification2 covers hot-wrought, ferritic alloy steel bars for elevated temperature or pressure-containing parts suitable for fusion welding or both.
1.2''The 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 |
1.3''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.
1.4''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.
Document History
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ASTM A739-90a(2022)
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Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both- Most Recent
-
ASTM A739-90a(2016)
Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both- Historical Version
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ASTM A739-90a(2012)
Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both- Historical Version
-
ASTM A739-90a(2006)
Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both- Historical Version
-
ASTM A739-90a(2000)
Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both- Historical Version
