標(biāo)題: ASTM A 739-1990 升溫或/和加壓部件用熱軋合金鋼棒 [打印本頁] 作者: 兌水 時(shí)間: 2009-9-8 17:13 標(biāo)題: ASTM A 739-1990 升溫或/和加壓部件用熱軋合金鋼棒 A739-90a(2000) Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both