標題: ASTM A 696-1990 壓力管道部件專用熱鍛或冷精軋碳素鋼棒 [打印本頁] 作者: 兌水 時間: 2009-9-8 11:16 標題: ASTM A 696-1990 壓力管道部件專用熱鍛或冷精軋碳素鋼棒 A696-90a(2000) Standard Specification for Steel Bars, Carbon, Hot-Wrought or Cold-Finished, Special Quality, for Pressure Piping Components