ASTM E 802, Reference Radiographs, Vol. 3, Co 60 radiation, grey iron castings up to 4 1/2 in. thickness
ASTM E 802, Reference Radiographs, Vol. 3, Co 60 radiation, grey iron castings up to 4 1/2 in. thickness
ASTM E 802, Reference Radiographs, Vol. 3, Co 60 radiation, grey iron castings up to 4 1/2 in. thickness
