ASTM E 802, Reference Radiographs, Vol. 2, Iridium 192 radiation, grey iron castings up to 4 1/2 in. thickness
ASTM E 802, Reference Radiographs, Vol. 2, Iridium 192 radiation, grey iron castings up to 4 1/2 in. thickness
ASTM E 802, Reference Radiographs, Vol. 2, Iridium 192 radiation, grey iron castings up to 4 1/2 in. thickness