ASTM A739-90a(2012)
- Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both
- standard by ASTM International, 03/01/2012
- Publisher: ASTM
$20.00$39.00
1.1 This specification 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.
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