標題: ASTM E 592-1999 用X射線法作1/4至2英寸(6-51mm)厚鋼板... [打印本頁] 作者: 兌水 時間: 2009-10-31 15:57 標題: ASTM E 592-1999 用X射線法作1/4至2英寸(6-51mm)厚鋼板... E592-99 Standard Guide to Obtainable ASTM Equivalent Penetrameter Sensitivity for Radiography of Steel Plates 1/4 to 2 in. (6 to 51 mm) Thick with X Rays and 1 to 6 in. (25 to 152 mm) Thick with Cobalt-60