进口ASTM E446射线参考底片，共三卷,信息如下:

  钢铸件标准参考射线照片共有三个厚度范围.E446-98(R2004)钢铸件厚度小于或等于2in(51MM)的标准参考射线照片;E186-98(R2004)钢铸件厚壁2-4二分之一2in(51-114MM)的标准参考射线照片;E280钢铸件厚壁4又二分之一-12in(114-305MM)的标准参考射线照片,上述E446和E186最为常用.再者标题的厚度范围并不是限制性的,只要供需双方协商一致,不在厚度范围内的钢铸件也可以使用该二标准.

进口ASTM E446 用于厚度在2in(51mm)以下钢铸件的标准参考射线底片
 
共三卷,信息如下:
 
ASTM E446 ADJUNCT V1 ADJUNCT TO E446 VOLUME I - REFERENCE RADIOGRAPHS FOR STEEL CASTINGS UP TO 2 IN. (51 MM) IN THICKNESS (VOLUME I): MEDIUM VOLTAGE (NOMINAL 250 KVP) X-RAY REFERENCE RADIOGRAPHS - SET OF 34 ILLUSTRATIONS ( 5 BY 7 IN.) IN A 15 BY 17-IN. RING BINDER
第I册：中压（公称电压250kVp）X射线参考射线底片—34张图例（5x7英寸），15x17英寸。

ASTM E446 ADJUNCT V2 ADJUNCT TO E446 VOLUME II - REFERENCE RADIOGRAPHS FOR STEEL CASTINGS UP TO 2 IN. (51 MM) IN THICKNESS - (VOLUME II): 1-MV X RAYS AND IRIDIUM-192 REFERENCE RADIOGRAPHS - SET OF 34 ILLUSTRATIONS ( 5 BY 7 IN.) IN A 15 BY 17-IN. RING BINDER
第II册：1-MVX射线和铱-192辐射参考射线底片—34张图例（5x7英寸），15x17英寸。

ASTM E446 ADJUNCT V3  ADJUNCT TO E446 VOLUME III - REFERENCE RADIOGRAPHS FOR STEEL CASTINGS UP TO 2 IN. (51 MM) IN THICKNESS - VOLUME III): 2-MV TO 4-MV X RAYS AND COBALT-60 REFERENCE RADIOGRAPHS - SET OF 34 ILLUSTRATIONS ( 5 BY 7 IN.) IN A 15 BY 17-IN. RING BINDER