ASTM A739-1990a(2000) 标准详情
- 标准号:ASTM A739-1990a(2000)
- 中文标题:标准规格合金钢棒,热锻造,用于高温或高压,含零件,或两者
- 英文标题:Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1990
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% mol
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