BS 4124(1991) : 1991被替代
METHODS FOR ULTRASONIC DETECTION OF IMPERFECTIONS IN STEEL FORGINGS
出版：British Standards Institution
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基本信息
标准编号： BS 4124(1991) : 1991
发布时间：1991/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：26
标准简介
Describes four methods for the ultrasonic testing of ferritic and austenitic steel forgings using A-scope pulse echo ultrasonic equipment, under surface contact and manual operation conditions, for the detection of imperfections.
本标准替代的旧标准
