sigh007 发表于 2012-3-27 00:26:11

MIL-STD-1699B


                   MIL-STD-1699B, MILITARY STANDARD: NONDESTRUCTIVE EVALUATION OF BUTT WELDS IN CRANE AND RAILROAD RAILS (17 JUL 1992)., This procedure describes the requirements for the nondestructive evaluation of butt welds in crane and railroad rails using visual and ultrasonic inspection techniques.         
         
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